2003 Peterbilt 320 Engine Water Pumps
Save up to 40% on original replacement 2003 Peterbilt 320 Engine Water Pumps. Navigate our online catalogue to find Engine Water Pumps and other parts designed specifically to fit a 2003 Peterbilt 320.





Engine Water Pump
$344.01
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Designation: ISM 10.8; Engine Manufacturer: Cummins;
Engine Designation: ISM 10.8; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
3 hole mount long shaft
3 hole mount long shaft




Engine Water Pump
$418.79
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Designation: ISM 10.8; Engine Manufacturer: Cummins;
Engine Designation: ISM 10.8; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
3 hole mount short shaft
3 hole mount short shaft




Engine Water Pump
$150.24
In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Designation: ISC 8.3; Engine Manufacturer: Cummins;
Engine Designation: ISC 8.3; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
ISC / ISL
ISC / ISL




Engine Water Pump
$377.47
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Designation: C10; Engine Manufacturer: Caterpillar;
Engine Designation: C10; Engine Manufacturer: Caterpillar;




Engine Water Pump
$284.86
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Designation: 3126; Engine Manufacturer: Caterpillar;
Engine Designation: 3126; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
3126 3.75" Pulley
3126 3.75" Pulley





Engine Water Pump
$111.88
Limited Stock
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0); Engine Manufacturer: Cummins;
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0); Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
Long Nose w/o Hardened Pulley
Long Nose w/o Hardened Pulley







Engine Water Pump
$327.30
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0);
Engine Base: 8.3L 8268cc 504ci L6 (4.49x5.31; 114.0x135.0);
Vehicle Fitment Notes:
Serpentine Belt Driven
Serpentine Belt Driven







Engine Water Pump
$234.20
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.2L 441ci L6;
Engine Base: 7.2L 441ci L6;
Vehicle Fitment Notes:
V-Belt Driven
V-Belt Driven







Engine Water Pump
$845.29
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
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:
with Short Shaft without Internally Threaded Shaft Heavy Duty Suitcase Style Pump
with Short Shaft without Internally Threaded Shaft Heavy Duty Suitcase Style Pump







Engine Water Pump
$490.40
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
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:
Serpentine Belt Driven
Serpentine Belt Driven





Engine Water Pump
$502.03
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147); Engine Designation: ISM 10.8; Engine Manufacturer: Cummins;
Engine Base: 10.8L 10834cc 661ci L6 (4.9213x5.7874; 125x147); Engine Designation: ISM 10.8; Engine Manufacturer: Cummins;
Vehicle Fitment Notes:
w/o Threaded Hub
w/o Threaded Hub


Engine Water Pump
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.2L 441ci L6; Engine Designation: C7; Engine Manufacturer: Caterpillar;
Engine Base: 7.2L 441ci L6; Engine Designation: C7; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
1 Unthreaded Hose Connection Supplied without Pulley
1 Unthreaded Hose Connection Supplied without Pulley