Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
2003 Kenworth T800 Parts
ADD A VEHICLE TO GUARANTEE PARTS FIT
See products that fit
UNITED PACIFIC
31088 ULTRALIT High Power LED 4 in. x 6 in. Low Beam Headlight With Polycarbonate Lens & Housing
Part Number: 953-31088
$6799
Ships on 10/21/2026
Lowest price guarantee
UNITED PACIFIC
31088 ULTRALIT High Power LED 4 in. x 6 in. Low Beam Headlight With Polycarbonate Lens & Housing
Part Number: 953-31088
Ships on 10/21/2026Lowest Price Guarantee$6799
UNITED PACIFIC
31152 ULTRALIT 4 in. x 6 in. Rectangular LED Headlight With White LED Position Light - Low Beam
Part Number: 953-31152
$14599
Ships on 10/13/2026Lowest price guarantee
UNITED PACIFIC
31152 ULTRALIT 4 in. x 6 in. Rectangular LED Headlight With White LED Position Light - Low Beam
Part Number: 953-31152
Ships on 10/13/2026Lowest Price Guarantee$14599
UNITED PACIFIC
34134 ULTRALIT Heated 4 in. x 6 in. LED Headlight With Glass Lens & Aluminum Housing - High Beam - Black
Part Number: 953-34134
$9699
Ships on 10/21/2026Lowest price guarantee
UNITED PACIFIC
34134 ULTRALIT Heated 4 in. x 6 in. LED Headlight With Glass Lens & Aluminum Housing - High Beam - Black
Part Number: 953-34134
Ships on 10/21/2026Lowest Price Guarantee$9699
UNITED PACIFIC
34131 ULTRALIT Heated 4 in. x 6 in. LED Headlight With Glass Lens & Aluminum Housing - Low Beam - Chrome
Part Number: 953-34131
$9399
Ships on 10/21/2026Lowest price guarantee
UNITED PACIFIC
34131 ULTRALIT Heated 4 in. x 6 in. LED Headlight With Glass Lens & Aluminum Housing - Low Beam - Chrome
Part Number: 953-34131
Ships on 10/21/2026Lowest Price Guarantee$9399
UNITED PACIFIC
34132 ULTRALIT Heated 4 in. x 6 in. LED Headlight With Glass Lens & Aluminum Housing - High Beam - Chrome
Part Number: 953-34132
$10199
Ships on 10/21/2026Lowest price guarantee
UNITED PACIFIC
34132 ULTRALIT Heated 4 in. x 6 in. LED Headlight With Glass Lens & Aluminum Housing - High Beam - Chrome
Part Number: 953-34132
Ships on 10/21/2026Lowest Price Guarantee$10199
UNITED PACIFIC
31150 ULTRALIT 4 in. x 6 in. Rectangular LED Headlight With Amber LED Position Light - Low Beam
Part Number: 953-31150
$15599
Ships on 10/13/2026Lowest price guarantee
UNITED PACIFIC
31150 ULTRALIT 4 in. x 6 in. Rectangular LED Headlight With Amber LED Position Light - Low Beam
Part Number: 953-31150
Ships on 10/13/2026Lowest Price Guarantee$15599
UNITED PACIFIC
34133 ULTRALIT Heated 4 in. x 6 in. LED Headlight With Glass Lens & Aluminum Housing - Low Beam - Black
Part Number: 953-34133
$9199
Ships on 10/21/2026Lowest price guarantee
UNITED PACIFIC
34133 ULTRALIT Heated 4 in. x 6 in. LED Headlight With Glass Lens & Aluminum Housing - Low Beam - Black
Part Number: 953-34133
Ships on 10/21/2026Lowest Price Guarantee$9199
ANCHOR INDUSTRIES
6038 Drive Shaft Support Bearing for 1955-2024 Chevrolet, Dodge, Ford, GMC Models
Part Number: 053-6038
$1577$20.99
YOU SAVE
$5.22Ships TomorrowLowest price guarantee
ANCHOR INDUSTRIES
6038 Drive Shaft Support Bearing for 1955-2024 Chevrolet, Dodge, Ford, GMC Models
Part Number: 053-6038
Ships TomorrowLowest Price Guarantee$1577 $20.99
YOU SAVE
$5.22
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
![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 10/16/2026Lowest 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 10/16/2026Lowest Price Guarantee$4041
![Micro-V Serpentine Belt for 2003-2025 Kenworth, Mack and Volvo Models [10-Rib, 74.531 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k100739.jpg)
GATES
Micro-V Serpentine Belt for 2003-2025 Kenworth, Mack and Volvo Models [10-Rib, 74.531 in. Outside Circumference]
Part Number: 465-K100739
$14197
Ships on 10/16/2026Lowest price guarantee![Micro-V Serpentine Belt for 2003-2025 Kenworth, Mack and Volvo Models [10-Rib, 74.531 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k100739.jpg)
GATES
Micro-V Serpentine Belt for 2003-2025 Kenworth, Mack and Volvo Models [10-Rib, 74.531 in. Outside Circumference]
Part Number: 465-K100739
Ships on 10/16/2026Lowest Price Guarantee$14197
![Micro-V Serpentine Belt Fits Select Ford, International and Other Makes [8-Rib, 80.187 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k080797.jpg)
GATES
Micro-V Serpentine Belt Fits Select Ford, International and Other Makes [8-Rib, 80.187 in. Outside Circumference]
Part Number: 465-K080797
$4405
Ships on 10/16/2026Lowest price guarantee![Micro-V Serpentine Belt Fits Select Ford, International and Other Makes [8-Rib, 80.187 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k080797.jpg)
GATES
Micro-V Serpentine Belt Fits Select Ford, International and Other Makes [8-Rib, 80.187 in. Outside Circumference]
Part Number: 465-K080797
Ships on 10/16/2026Lowest Price Guarantee$4405