Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
2003 Peterbilt 385 Parts
ADD A VEHICLE TO GUARANTEE PARTS FIT
See products that fit
![FleetRunner Micro-V Serpentine Belt for Select 2000-2012 Peterbilt and Other Makes [6-Rib, 53.960 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k060539hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 2000-2012 Peterbilt and Other Makes [6-Rib, 53.960 in. Outside Circumference]
Part Number: 465-K060539HD
$3935
Ships on Oct 13, 2026
Lowest price guarantee![FleetRunner Micro-V Serpentine Belt for Select 2000-2012 Peterbilt and Other Makes [6-Rib, 53.960 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k060539hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 2000-2012 Peterbilt and Other Makes [6-Rib, 53.960 in. Outside Circumference]
Part Number: 465-K060539HD
Ships on Oct 13, 2026Lowest Price Guarantee$3935
![Micro-V Serpentine Belt for Select 1989-2010 Freightliner and Other Makes [8-Rib, 74.660 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k080740.jpg)
GATES
Micro-V Serpentine Belt for Select 1989-2010 Freightliner and Other Makes [8-Rib, 74.660 in. Outside Circumference]
Part Number: 465-K080740
$9820
Ships on Oct 13, 2026Lowest price guarantee![Micro-V Serpentine Belt for Select 1989-2010 Freightliner and Other Makes [8-Rib, 74.660 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k080740.jpg)
GATES
Micro-V Serpentine Belt for Select 1989-2010 Freightliner and Other Makes [8-Rib, 74.660 in. Outside Circumference]
Part Number: 465-K080740
Ships on Oct 13, 2026Lowest Price Guarantee$9820
![Micro-V Serpentine Belt for Select 1993-2009 International and Other Makes [8-Rib, 77.811 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k080774.jpg)
GATES
Micro-V Serpentine Belt for Select 1993-2009 International and Other Makes [8-Rib, 77.811 in. Outside Circumference]
Part Number: 465-K080774
$9819
Ships on Oct 13, 2026Lowest price guarantee![Micro-V Serpentine Belt for Select 1993-2009 International and Other Makes [8-Rib, 77.811 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k080774.jpg)
GATES
Micro-V Serpentine Belt for Select 1993-2009 International and Other Makes [8-Rib, 77.811 in. Outside Circumference]
Part Number: 465-K080774
Ships on Oct 13, 2026Lowest Price Guarantee$9819
![Heavy Duty Belt Tensioner for Select 1990-2006 Freightliner, Ford and Other Makes [75 mm Pulley O.D.]](https://www.jegs.com/images/mini_100/400/465/465-38506.jpg)
GATES
Heavy Duty Belt Tensioner for Select 1990-2006 Freightliner, Ford and Other Makes [75 mm Pulley O.D.]
Part Number: 465-38506
$28787
Ships on Oct 13, 2026Lowest price guarantee![Heavy Duty Belt Tensioner for Select 1990-2006 Freightliner, Ford and Other Makes [75 mm Pulley O.D.]](https://www.jegs.com/images/mini_200/400/465/465-38506.jpg)
GATES
Heavy Duty Belt Tensioner for Select 1990-2006 Freightliner, Ford and Other Makes [75 mm Pulley O.D.]
Part Number: 465-38506
Ships on Oct 13, 2026Lowest Price Guarantee$28787
GATES
DriveAlign Idler Pulley for Select 1988-2012 International, Freightliner and Other Makes
Part Number: 465-36091
$7833
Ships on Oct 13, 2026Lowest price guarantee
GATES
DriveAlign Idler Pulley for Select 1988-2012 International, Freightliner and Other Makes
Part Number: 465-36091
Ships on Oct 13, 2026Lowest Price Guarantee$7833
![Heavy-Duty Thermostat for Select 1965-2011 International, Ford and Other Makes [180 Degree F]](https://www.jegs.com/images/mini_100/400/465/465-33578.jpg)
GATES
Heavy-Duty Thermostat for Select 1965-2011 International, Ford and Other Makes [180 Degree F]
Part Number: 465-33578
$10738
Ships on Oct 13, 2026Lowest price guarantee![Heavy-Duty Thermostat for Select 1965-2011 International, Ford and Other Makes [180 Degree F]](https://www.jegs.com/images/mini_200/400/465/465-33578.jpg)
GATES
Heavy-Duty Thermostat for Select 1965-2011 International, Ford and Other Makes [180 Degree F]
Part Number: 465-33578
Ships on Oct 13, 2026Lowest Price Guarantee$10738
GATES
Heavy-Duty Thermostat for Select 1965-2017 International, Ford and Other Makes
Part Number: 465-33579
$11864
Ships on Oct 13, 2026Lowest price guarantee
GATES
Heavy-Duty Thermostat for Select 1965-2017 International, Ford and Other Makes
Part Number: 465-33579
Ships on Oct 13, 2026Lowest Price Guarantee$11864
GATES
Heavy-Duty Water Pump for Select 1988-2018 Freightliner, Ford and Other Makes
Part Number: 465-46002HD
$62376
Ships on Oct 13, 2026Lowest price guarantee
GATES
Heavy-Duty Water Pump for Select 1988-2018 Freightliner, Ford and Other Makes
Part Number: 465-46002HD
Ships on Oct 13, 2026Lowest Price Guarantee$62376
GATES
Heavy-Duty Water Pump for Select 1994-2005 Sterling Truck, Freightliner and Other Makes
Part Number: 465-44060HD
$62379
Ships on Oct 13, 2026Lowest price guarantee
GATES
Heavy-Duty Water Pump for Select 1994-2005 Sterling Truck, Freightliner and Other Makes
Part Number: 465-44060HD
Ships on Oct 13, 2026Lowest Price Guarantee$62379
![FleetRunner V-Belt for Select 1956-2010 Ford, Peterbilt and Other Makes [HC50 Section, 46.380 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-9463hd.jpg)
GATES
FleetRunner V-Belt for Select 1956-2010 Ford, Peterbilt and Other Makes [HC50 Section, 46.380 in. Outside Circumference]
Part Number: 465-9463HD
$6200
Ships on Oct 13, 2026Lowest price guarantee![FleetRunner V-Belt for Select 1956-2010 Ford, Peterbilt and Other Makes [HC50 Section, 46.380 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-9463hd.jpg)
GATES
FleetRunner V-Belt for Select 1956-2010 Ford, Peterbilt and Other Makes [HC50 Section, 46.380 in. Outside Circumference]
Part Number: 465-9463HD
Ships on Oct 13, 2026Lowest Price Guarantee$6200
HPS PERFORMANCE
CAC-3687223 EGR Hose, 4-Ply Aramid Reinforced Fluorolined Silicone, Replaces Stock Egr Hose.
Part Number: 589-CAC-3687223
$5417
Ships on 10/21/2026Lowest price guarantee
HPS PERFORMANCE
CAC-3687223 EGR Hose, 4-Ply Aramid Reinforced Fluorolined Silicone, Replaces Stock Egr Hose.
Part Number: 589-CAC-3687223
Ships on 10/21/2026Lowest Price Guarantee$5417
GOODYEAR BELTS
55856 Automatic Drive Belt Tensioner Select Oshkosh; Western Star; Freightliner; Kenworth; Peterbilt; International
Part Number: 498-55856
$9450
Ships on 10/15/2026Lowest price guarantee
GOODYEAR BELTS
55856 Automatic Drive Belt Tensioner Select Oshkosh; Western Star; Freightliner; Kenworth; Peterbilt; International
Part Number: 498-55856
Ships on 10/15/2026Lowest Price Guarantee$9450
GOODYEAR BELTS
1060540 Serpentine Belt, Fits Select Makes/Models, K Profile, 6 Ribs, 54 in. Effective Length
Part Number: 498-1060540
$2081
Ships on 10/13/2026Lowest price guarantee
GOODYEAR BELTS
1060540 Serpentine Belt, Fits Select Makes/Models, K Profile, 6 Ribs, 54 in. Effective Length
Part Number: 498-1060540
Ships on 10/13/2026Lowest Price Guarantee$2081