1991 Peterbilt 378 Radiator Coolant Hose
Navigate our online catalogue to find original replacement Radiator Coolant Hoses specifically designed to fit a 1991 Peterbilt 378.
Radiator Coolant Hose
$65.32
$60.90 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 9th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Upper - Pipe To Radiator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Radiator Coolant Hose
$74.95
$69.88 CAD
Limited Stock
Condition: New
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Upper - Pipe To Engine
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Radiator Coolant Hose
$71.17
$66.37 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 9th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Lower - Engine To Pipe
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Radiator Coolant Hose
$71.17
$66.37 CAD
Limited Stock
Condition: New
Ships: Today, Oct. 9th
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Lower - Pipe To Radiator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Radiator Coolant Hose
$55.92 CAD
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Lower - Engine To Pipe
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
w/Low Flow Cool Cut to Fit
w/Low Flow Cool Cut to Fit
Radiator Coolant Hose
$55.92 CAD
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Lower - Pipe To Radiator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
w/Low Flow Cool Cut to Fit
w/Low Flow Cool Cut to Fit
Radiator Coolant Hose
$89.51 CAD
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Upper - Pipe To Engine
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit
Radiator Coolant Hose
$124.33 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Lower - Engine To Pipe
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit
Radiator Coolant Hose
$124.33 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Upper
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit
Radiator Coolant Hose
$124.33 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Upper - Pipe To Engine
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Engine Base: 10.0L 10014cc 611ci L6 (4.9213x5.3543; 125x136);
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit
Radiator Coolant Hose
$126.54 CAD
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Lower
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit
Radiator Coolant Hose
$126.54 CAD
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Upper - Pipe To Radiator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit
Radiator Coolant Hose
$126.54 CAD
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Upper
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0); Engine Designation: Series 60; Engine Manufacturer: Detroit Diesel; Fuel Type: DIESEL;
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0); Engine Designation: Series 60; Engine Manufacturer: Detroit Diesel; Fuel Type: DIESEL;
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit
Radiator Coolant Hose
$126.54 CAD
In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Upper
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: 3406; Engine Manufacturer: Caterpillar;
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: 3406; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit
Radiator Coolant Hose
$190.56 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Lower - Pipe To Pipe
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit
Radiator Coolant Hose
$190.56 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Lower - Pipe To Radiator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Engine Base: 10.3L 629ci6; Engine Designation: 3176; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit
Radiator Coolant Hose
$190.56 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Lower
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0); Engine Designation: Series 60; Engine Manufacturer: Detroit Diesel; Fuel Type: DIESEL;
Engine Base: 12.7L 12686cc 774ci L6 (5.1181x6.2992; 130.0x160.0); Engine Designation: Series 60; Engine Manufacturer: Detroit Diesel; Fuel Type: DIESEL;
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit
Radiator Coolant Hose
$190.56 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Lower
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: 3406; Engine Manufacturer: Caterpillar;
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: 3406; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
Cut To Fit
Cut To Fit
Radiator Coolant Hose
$15.67 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.5L 638ci6; Engine Designation: 3306; Engine Manufacturer: Caterpillar;
Engine Base: 10.5L 638ci6; Engine Designation: 3306; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
Cut to Fit; To Valve
Cut to Fit; To Valve
Radiator Coolant Hose
$15.67 CAD
Limited Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: 3406; Engine Manufacturer: Caterpillar;
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1); Engine Designation: 3406; Engine Manufacturer: Caterpillar;
Vehicle Fitment Notes:
Cut to Fit; To Valve
Cut to Fit; To Valve
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Lower - Pipe To Engine
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.5L 638ci6;
Engine Base: 10.5L 638ci6;
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Lower - Pipe To Engine
Required Per Vehicle: 1
Vehicle fitment:
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);
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Lower - Pipe To Engine
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
w/o Low Flow Cooling
w/o Low Flow Cooling
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Upper - Pipe To Radiator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 629ci6;
Engine Base: 10.3L 629ci6;
Vehicle Fitment Notes:
2 1/2 In. I.D. Hose
2 1/2 In. I.D. Hose
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Upper
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 10.5L 638ci6;
Engine Base: 10.5L 638ci6;
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Upper
Required Per Vehicle: 2
Vehicle fitment:
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);
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Upper
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
w/o Low Flow Cooling
w/o Low Flow Cooling
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Upper
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Lower - Pipe To Engine
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 629ci6;
Engine Base: 10.3L 629ci6;
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Upper - Pipe To Engine
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 629ci6;
Engine Base: 10.3L 629ci6;
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Upper - Pipe To Radiator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 629ci6;
Engine Base: 10.3L 629ci6;
Vehicle Fitment Notes:
2 In.
2 In.
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Lower - Pipe To Pipe
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.5L 638ci6;
Engine Base: 10.5L 638ci6;
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Lower - Pipe To Pipe
Required Per Vehicle: 1
Vehicle fitment:
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);
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Lower - Pipe To Pipe
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
w/o Low Flow Cooling
w/o Low Flow Cooling
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Lower - Pipe To Radiator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.3L 629ci6;
Engine Base: 10.3L 629ci6;
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Lower - Pipe To Radiator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 10.5L 638ci6;
Engine Base: 10.5L 638ci6;
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Lower - Pipe To Radiator
Required Per Vehicle: 1
Vehicle fitment:
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);
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Lower - Pipe To Radiator
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Engine Base: 14.0L 14013cc 855ci L6 (5.5x6; 139.7x152.4);
Vehicle Fitment Notes:
w/o Low Flow Cooling
w/o Low Flow Cooling
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Lower - Pipe To Pipe
Required Per Vehicle: 2
Vehicle fitment:
Engine Base: 10.3L 629ci6;
Engine Base: 10.3L 629ci6;
Radiator Coolant Hose
Call for Pricing
Out of Stock
Condition: New
Lower
Required Per Vehicle: 3
Vehicle fitment:
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);
Engine Base: 14.6L 14636cc 893ci L6 (5.40x6.50; 137.2x165.1);