2003 Peterbilt 378 Radiator
Browse our online catalogue to find original replacement Radiators specifically designed to fit a 2003 Peterbilt 378.
2003 Peterbilt 378 Radiator
$4,132.15
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts on Bottom Bracket; w/ Copper/Brass Core
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts on Bottom Bracket; w/ Copper/Brass Core
2003 Peterbilt 378 Radiator
$4,132.15
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts on Bottom Bracket; w/ Copper/Brass Core
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts on Bottom Bracket; w/ Copper/Brass Core
2003 Peterbilt 378 Radiator
$4,132.15
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 11.1L 677ci6;
Engine Base: 11.1L 677ci6;
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts on Bottom Bracket; w/ Copper/Brass Core
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts on Bottom Bracket; w/ Copper/Brass Core
2003 Peterbilt 378 Radiator
$4,132.15
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts on Bottom Bracket; w/ Copper/Brass Core
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts on Bottom Bracket; w/ Copper/Brass Core
2003 Peterbilt 378 Radiator
$4,132.15
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts on Bottom Bracket; w/ Copper/Brass Core
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts on Bottom Bracket; w/ Copper/Brass Core
2003 Peterbilt 378 Radiator
$4,132.15
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts on Bottom Bracket; w/ Copper/Brass Core
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts on Bottom Bracket; w/ Copper/Brass Core
2003 Peterbilt 378 Radiator
$4,132.15
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 11:30am)
Pick-Up: Same Business Day (Order before 11:30am)
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts on Bottom Bracket; w/ Copper/Brass Core
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts on Bottom Bracket; w/ Copper/Brass Core
2003 Peterbilt 378 Radiator
$1,338.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Vehicle Fitment Notes:
w/ 35-13/16 in. x 26-1/4 in. x 2-1/2 in. Core; w/ Inlet 2-1/2 in.; w/ Outlet 2-1/2 in. No Frame Included; OEM Frame Must Be Reused.
w/ 35-13/16 in. x 26-1/4 in. x 2-1/2 in. Core; w/ Inlet 2-1/2 in.; w/ Outlet 2-1/2 in. No Frame Included; OEM Frame Must Be Reused.
2003 Peterbilt 378 Radiator
$1,338.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Vehicle Fitment Notes:
w/ 35-13/16 in. x 26-1/4 in. x 2-1/2 in. Core; w/ Inlet 2-1/2 in.; w/ Outlet 2-1/2 in. No Frame Included; OEM Frame Must Be Reused.
w/ 35-13/16 in. x 26-1/4 in. x 2-1/2 in. Core; w/ Inlet 2-1/2 in.; w/ Outlet 2-1/2 in. No Frame Included; OEM Frame Must Be Reused.
2003 Peterbilt 378 Radiator
$1,338.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 11.1L 677ci6;
Engine Base: 11.1L 677ci6;
Vehicle Fitment Notes:
w/ 35-13/16 in. x 26-1/4 in. x 2-1/2 in. Core; w/ Inlet 2-1/2 in.; w/ Outlet 2-1/2 in. No Frame Included; OEM Frame Must Be Reused.
w/ 35-13/16 in. x 26-1/4 in. x 2-1/2 in. Core; w/ Inlet 2-1/2 in.; w/ Outlet 2-1/2 in. No Frame Included; OEM Frame Must Be Reused.
2003 Peterbilt 378 Radiator
$1,338.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Vehicle Fitment Notes:
w/ 35-13/16 in. x 26-1/4 in. x 2-1/2 in. Core; w/ Inlet 2-1/2 in.; w/ Outlet 2-1/2 in. No Frame Included; OEM Frame Must Be Reused.
w/ 35-13/16 in. x 26-1/4 in. x 2-1/2 in. Core; w/ Inlet 2-1/2 in.; w/ Outlet 2-1/2 in. No Frame Included; OEM Frame Must Be Reused.
2003 Peterbilt 378 Radiator
$1,338.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
w/ 35-13/16 in. x 26-1/4 in. x 2-1/2 in. Core; w/ Inlet 2-1/2 in.; w/ Outlet 2-1/2 in. No Frame Included; OEM Frame Must Be Reused.
w/ 35-13/16 in. x 26-1/4 in. x 2-1/2 in. Core; w/ Inlet 2-1/2 in.; w/ Outlet 2-1/2 in. No Frame Included; OEM Frame Must Be Reused.
2003 Peterbilt 378 Radiator
$1,338.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
w/ 35-13/16 in. x 26-1/4 in. x 2-1/2 in. Core; w/ Inlet 2-1/2 in.; w/ Outlet 2-1/2 in. No Frame Included; OEM Frame Must Be Reused.
w/ 35-13/16 in. x 26-1/4 in. x 2-1/2 in. Core; w/ Inlet 2-1/2 in.; w/ Outlet 2-1/2 in. No Frame Included; OEM Frame Must Be Reused.
2003 Peterbilt 378 Radiator
$1,338.00
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Vehicle Fitment Notes:
w/ 35-13/16 in. x 26-1/4 in. x 2-1/2 in. Core; w/ Inlet 2-1/2 in.; w/ Outlet 2-1/2 in. No Frame Included; OEM Frame Must Be Reused.
w/ 35-13/16 in. x 26-1/4 in. x 2-1/2 in. Core; w/ Inlet 2-1/2 in.; w/ Outlet 2-1/2 in. No Frame Included; OEM Frame Must Be Reused.
2003 Peterbilt 378 Radiator
$4,712.82
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ One bracket On Each Side; w/ Surge Tank
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ One bracket On Each Side; w/ Surge Tank
2003 Peterbilt 378 Radiator
$4,712.82
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ One bracket On Each Side; w/ Surge Tank
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ One bracket On Each Side; w/ Surge Tank
2003 Peterbilt 378 Radiator
$4,712.82
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 11.1L 677ci6;
Engine Base: 11.1L 677ci6;
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ One bracket On Each Side; w/ Surge Tank
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ One bracket On Each Side; w/ Surge Tank
2003 Peterbilt 378 Radiator
$4,712.82
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ One bracket On Each Side; w/ Surge Tank
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ One bracket On Each Side; w/ Surge Tank
2003 Peterbilt 378 Radiator
$4,712.82
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ One bracket On Each Side; w/ Surge Tank
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ One bracket On Each Side; w/ Surge Tank
2003 Peterbilt 378 Radiator
$4,712.82
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ One bracket On Each Side; w/ Surge Tank
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ One bracket On Each Side; w/ Surge Tank
2003 Peterbilt 378 Radiator
$4,712.82
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ One bracket On Each Side; w/ Surge Tank
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ One bracket On Each Side; w/ Surge Tank
2003 Peterbilt 378 Radiator
$3,477.46
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; w/ Copper/Brass Core
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; w/ Copper/Brass Core
2003 Peterbilt 378 Radiator
$3,477.46
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; w/ Copper/Brass Core
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; w/ Copper/Brass Core
2003 Peterbilt 378 Radiator
$3,477.46
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 11.1L 677ci6;
Engine Base: 11.1L 677ci6;
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; w/ Copper/Brass Core
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; w/ Copper/Brass Core
2003 Peterbilt 378 Radiator
$3,477.46
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; w/ Copper/Brass Core
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; w/ Copper/Brass Core
2003 Peterbilt 378 Radiator
$3,477.46
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; w/ Copper/Brass Core
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; w/ Copper/Brass Core
2003 Peterbilt 378 Radiator
$3,477.46
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; w/ Copper/Brass Core
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; w/ Copper/Brass Core
2003 Peterbilt 378 Radiator
$3,477.46
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; w/ Copper/Brass Core
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; w/ Copper/Brass Core
2003 Peterbilt 378 Radiator
$3,327.32
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3702
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3702
2003 Peterbilt 378 Radiator
$3,327.32
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3702
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3702
2003 Peterbilt 378 Radiator
$3,327.32
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 11.1L 677ci6;
Engine Base: 11.1L 677ci6;
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3702
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3702
2003 Peterbilt 378 Radiator
$3,327.32
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3702
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3702
2003 Peterbilt 378 Radiator
$3,327.32
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3702
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3702
2003 Peterbilt 378 Radiator
$3,327.32
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3702
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3702
2003 Peterbilt 378 Radiator
$3,327.32
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3702
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two brackets On Each Side; w/ Surge Tank; Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3702
2003 Peterbilt 378 Radiator
$3,165.14
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts On Bottom Bracket; w/ Aluminum Core Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3706
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts On Bottom Bracket; w/ Aluminum Core Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3706
2003 Peterbilt 378 Radiator
$3,165.14
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts On Bottom Bracket; w/ Aluminum Core Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3706
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts On Bottom Bracket; w/ Aluminum Core Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3706
2003 Peterbilt 378 Radiator
$3,165.14
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 11.1L 677ci6;
Engine Base: 11.1L 677ci6;
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts On Bottom Bracket; w/ Aluminum Core Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3706
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts On Bottom Bracket; w/ Aluminum Core Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3706
2003 Peterbilt 378 Radiator
$3,165.14
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts On Bottom Bracket; w/ Aluminum Core Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3706
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts On Bottom Bracket; w/ Aluminum Core Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3706
2003 Peterbilt 378 Radiator
$3,165.14
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts On Bottom Bracket; w/ Aluminum Core Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3706
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts On Bottom Bracket; w/ Aluminum Core Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3706
2003 Peterbilt 378 Radiator
$3,165.14
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts On Bottom Bracket; w/ Aluminum Core Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3706
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts On Bottom Bracket; w/ Aluminum Core Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3706
2003 Peterbilt 378 Radiator
$3,165.14
Call For Availability
Condition: New
Required Per Vehicle: 1
Made in Canada
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts On Bottom Bracket; w/ Aluminum Core Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3706
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Two Centered Mounting Bolts On Bottom Bracket; w/ Aluminum Core Aluminum Core; For Highway Applications Only; For Off Highway Applications Please Use 2101-3706
2003 Peterbilt 378 Radiator
$4,310.56
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Engine Base: 10.3L 10309cc 629ci L6 (4.9213x5.5118; 125.0x140.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Four Square Mounting Holes on Bottom Bracket; Mounting Bolts Offset Grill Side
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Four Square Mounting Holes on Bottom Bracket; Mounting Bolts Offset Grill Side
2003 Peterbilt 378 Radiator
$4,310.56
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Four Square Mounting Holes on Bottom Bracket; Mounting Bolts Offset Grill Side
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Four Square Mounting Holes on Bottom Bracket; Mounting Bolts Offset Grill Side
2003 Peterbilt 378 Radiator
$4,310.56
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 11.1L 677ci6;
Engine Base: 11.1L 677ci6;
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Four Square Mounting Holes on Bottom Bracket; Mounting Bolts Offset Grill Side
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Four Square Mounting Holes on Bottom Bracket; Mounting Bolts Offset Grill Side
2003 Peterbilt 378 Radiator
$4,310.56
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Engine Base: 12.0L 732ci6 (5.10x5.90; 130.0x150.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Four Square Mounting Holes on Bottom Bracket; Mounting Bolts Offset Grill Side
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Four Square Mounting Holes on Bottom Bracket; Mounting Bolts Offset Grill Side
2003 Peterbilt 378 Radiator
$4,310.56
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.5L 763ci6;
Engine Base: 12.5L 763ci6;
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Four Square Mounting Holes on Bottom Bracket; Mounting Bolts Offset Grill Side
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Four Square Mounting Holes on Bottom Bracket; Mounting Bolts Offset Grill Side
2003 Peterbilt 378 Radiator
$4,310.56
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Four Square Mounting Holes on Bottom Bracket; Mounting Bolts Offset Grill Side
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Four Square Mounting Holes on Bottom Bracket; Mounting Bolts Offset Grill Side
2003 Peterbilt 378 Radiator
$4,310.56
Call For Availability
Condition: New
Required Per Vehicle: 1
Fits: 2003 Peterbilt 378
Equipped With:
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Engine Base: 14.9L 6Cyl L (-)(912) 5.39 137.0(Bore)6.65 169.0(Stroke);
Vehicle Fitment Notes:
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Four Square Mounting Holes on Bottom Bracket; Mounting Bolts Offset Grill Side
36-1/4 in. x 33-1/4 in. x 2-1/4 in. Core; Inlet 2-1/2 in.; Outlet 3 in.; w/ Two Brackets On Each Side; w/o Surge Tank; w/ Four Square Mounting Holes on Bottom Bracket; Mounting Bolts Offset Grill Side