Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
2000 Peterbilt 378 Parts
ADD A VEHICLE TO GUARANTEE PARTS FIT
See products that fit
![Heavy Duty Belt Tensioner for 1993-2005 Freightliner, IC Corporation, International and Peterbilt Models [75 mm Pulley O.D.]](https://www.jegs.com/images/mini_100/400/465/465-38514.jpg)
GATES
Heavy Duty Belt Tensioner for 1993-2005 Freightliner, IC Corporation, International and Peterbilt Models [75 mm Pulley O.D.]
Part Number: 465-38514
$26428
Ships on Nov 02, 2026
Lowest price guarantee![Heavy Duty Belt Tensioner for 1993-2005 Freightliner, IC Corporation, International and Peterbilt Models [75 mm Pulley O.D.]](https://www.jegs.com/images/mini_200/400/465/465-38514.jpg)
GATES
Heavy Duty Belt Tensioner for 1993-2005 Freightliner, IC Corporation, International and Peterbilt Models [75 mm Pulley O.D.]
Part Number: 465-38514
Ships on Nov 02, 2026Lowest Price Guarantee$26428
GATES
Heavy-Duty Thermostat for Select 1965-2017 International, Ford and Other Makes
Part Number: 465-33579
$11864
Ships on Nov 02, 2026Lowest price guarantee
GATES
Heavy-Duty Thermostat for Select 1965-2017 International, Ford and Other Makes
Part Number: 465-33579
Ships on Nov 02, 2026Lowest Price Guarantee$11864
GATES
FleetRunner Heavy Duty V Belt for Select 1960-1987 Chevrolet, Dodge, Ford, Isuzu, Nissan
Part Number: 465-9590HD
$2866
Ships on Nov 02, 2026Lowest price guarantee
GATES
FleetRunner Heavy Duty V Belt for Select 1960-1987 Chevrolet, Dodge, Ford, Isuzu, Nissan
Part Number: 465-9590HD
Ships on Nov 02, 2026Lowest Price Guarantee$2866
GOODYEAR BELTS
1100710 Serpentine Belt, Fits Select Makes/Models, K Profile, 10 Ribs, 71 in. Effective Length
Part Number: 498-1100710
$5448
Ships on 11/03/2026Lowest price guarantee
GOODYEAR BELTS
1100710 Serpentine Belt, Fits Select Makes/Models, K Profile, 10 Ribs, 71 in. Effective Length
Part Number: 498-1100710
Ships on 11/03/2026Lowest Price Guarantee$5448
GOODYEAR BELTS
1080710 Serpentine Belt, Select Sterling Truck; Mack; Ford; Peterbilt, K Profile, 8 Ribs, 71 in. Effective Length
Part Number: 498-1080710
$4276
Ships on 11/03/2026Lowest price guarantee
GOODYEAR BELTS
1080710 Serpentine Belt, Select Sterling Truck; Mack; Ford; Peterbilt, K Profile, 8 Ribs, 71 in. Effective Length
Part Number: 498-1080710
Ships on 11/03/2026Lowest Price Guarantee$4276
GOODYEAR BELTS
17451 Automotive & HD V-Belt, Fits Select Makes/Models, 13A Profile, 45.1 in. Effective Length
Part Number: 498-17451
$1717
Ships on 11/03/2026Lowest price guarantee
GOODYEAR BELTS
17451 Automotive & HD V-Belt, Fits Select Makes/Models, 13A Profile, 45.1 in. Effective Length
Part Number: 498-17451
Ships on 11/03/2026Lowest Price Guarantee$1717
GOODYEAR BELTS
1060685 Serpentine Belt, Fits Select Makes/Models, K Profile, 6 Ribs, 68.5 in. Effective Length
Part Number: 498-1060685
$2805
Ships on 11/03/2026Lowest price guarantee
GOODYEAR BELTS
1060685 Serpentine Belt, Fits Select Makes/Models, K Profile, 6 Ribs, 68.5 in. Effective Length
Part Number: 498-1060685
Ships on 11/03/2026Lowest Price Guarantee$2805
GOODYEAR BELTS
1115 Coolant Straight Hose,2.5in. I.D, 36 in. Length Fits Select Make/Models
Part Number: 498-1115
$9786
Ships on 11/05/2026Lowest price guarantee
GOODYEAR BELTS
1115 Coolant Straight Hose,2.5in. I.D, 36 in. Length Fits Select Make/Models
Part Number: 498-1115
Ships on 11/05/2026Lowest Price Guarantee$9786
GOODYEAR BELTS
17390 Automotive & HD V-Belt, Fits Select Makes/Models, 13A Profile, 39 in. Effective Length
Part Number: 498-17390
$1420
Ships on 11/03/2026Lowest price guarantee
GOODYEAR BELTS
17390 Automotive & HD V-Belt, Fits Select Makes/Models, 13A Profile, 39 in. Effective Length
Part Number: 498-17390
Ships on 11/03/2026Lowest Price Guarantee$1420
GOODYEAR BELTS
28473 HD V-Belt, Fits Select Makes/Models, 20A Profile, 47.3 in. Effective Length
Part Number: 498-28473
$2472
Ships on 11/03/2026Lowest price guarantee
GOODYEAR BELTS
28473 HD V-Belt, Fits Select Makes/Models, 20A Profile, 47.3 in. Effective Length
Part Number: 498-28473
Ships on 11/03/2026Lowest Price Guarantee$2472
GOODYEAR BELTS
17415 Automotive & HD V-Belt, Fits Select Makes/Models, 13A Profile, 41.5 in. Effective Length
Part Number: 498-17415
$1341
Ships on 11/03/2026Lowest price guarantee
GOODYEAR BELTS
17415 Automotive & HD V-Belt, Fits Select Makes/Models, 13A Profile, 41.5 in. Effective Length
Part Number: 498-17415
Ships on 11/03/2026Lowest Price Guarantee$1341
![FleetRunner Micro-V Serpentine Belt for Select 1988-2023 Kenworth and Other Makes [6-Rib, 69.125 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k060685hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 1988-2023 Kenworth and Other Makes [6-Rib, 69.125 in. Outside Circumference]
Part Number: 465-K060685HD
$4041
Ships on 11/06/2026Lowest price guarantee![FleetRunner Micro-V Serpentine Belt for Select 1988-2023 Kenworth and Other Makes [6-Rib, 69.125 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k060685hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 1988-2023 Kenworth and Other Makes [6-Rib, 69.125 in. Outside Circumference]
Part Number: 465-K060685HD
Ships on 11/06/2026Lowest Price Guarantee$4041
![DriveAlign Idler Pulley for Select 1992-2004 Ford, Kenworth and Other Makes [Smooth Pulley]](https://www.jegs.com/images/mini_100/400/465/465-36095.jpg)
GATES
DriveAlign Idler Pulley for Select 1992-2004 Ford, Kenworth and Other Makes [Smooth Pulley]
Part Number: 465-36095
$11796
Ships on 11/06/2026Lowest price guarantee![DriveAlign Idler Pulley for Select 1992-2004 Ford, Kenworth and Other Makes [Smooth Pulley]](https://www.jegs.com/images/mini_200/400/465/465-36095.jpg)
GATES
DriveAlign Idler Pulley for Select 1992-2004 Ford, Kenworth and Other Makes [Smooth Pulley]
Part Number: 465-36095
Ships on 11/06/2026Lowest Price Guarantee$11796
GATES
Heavy-Duty Water Pump for Select 2000-2011 Freightliner, Sterling Truck and Other Makes
Part Number: 465-44062HD
$1,09620
Ships on 11/06/2026Lowest price guarantee
GATES
Heavy-Duty Water Pump for Select 2000-2011 Freightliner, Sterling Truck and Other Makes
Part Number: 465-44062HD
Ships on 11/06/2026Lowest Price Guarantee$1,09620
