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2003 Peterbilt 320 Parts
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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 11/11/2026
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 11/11/2026Lowest Price Guarantee$6799
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 11/11/2026Lowest 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 11/11/2026Lowest Price Guarantee$9699
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 11/11/2026Lowest 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 11/11/2026Lowest Price Guarantee$10199
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 11/11/2026Lowest 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 11/11/2026Lowest Price Guarantee$9199
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 11/03/2026Lowest 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 11/03/2026Lowest Price Guarantee$14599
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 11/11/2026Lowest 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 11/11/2026Lowest Price Guarantee$9399
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 11/03/2026Lowest 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 11/03/2026Lowest Price Guarantee$15599
![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 Nov 02, 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 Nov 02, 2026Lowest Price Guarantee$10738
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
![DriveAlign Idler Pulley for Select 1996-2009 Freightliner, International and Other Makes [75 mm Pulley O.D., 8-Groove, Flanged]](https://www.jegs.com/images/mini_100/400/465/465-36231.jpg)
GATES
DriveAlign Idler Pulley for Select 1996-2009 Freightliner, International and Other Makes [75 mm Pulley O.D., 8-Groove, Flanged]
Part Number: 465-36231
$21274
Ships on Nov 02, 2026Lowest price guarantee![DriveAlign Idler Pulley for Select 1996-2009 Freightliner, International and Other Makes [75 mm Pulley O.D., 8-Groove, Flanged]](https://www.jegs.com/images/mini_200/400/465/465-36231.jpg)
GATES
DriveAlign Idler Pulley for Select 1996-2009 Freightliner, International and Other Makes [75 mm Pulley O.D., 8-Groove, Flanged]
Part Number: 465-36231
Ships on Nov 02, 2026Lowest Price Guarantee$21274
GATES
Heavy-Duty Water Pump for Select 1994-2005 Sterling Truck, Freightliner and Other Makes
Part Number: 465-44060HD
$62379
Ships on Nov 02, 2026Lowest price guarantee
GATES
Heavy-Duty Water Pump for Select 1994-2005 Sterling Truck, Freightliner and Other Makes
Part Number: 465-44060HD
Ships on Nov 02, 2026Lowest Price Guarantee$62379
![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 Nov 02, 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 Nov 02, 2026Lowest Price Guarantee$28787
GOODYEAR BELTS
1080910 Serpentine Belt, Select Orion Bus; Freightliner; Peterbilt, K Profile, 8 Ribs, 91 in. Effective Length
Part Number: 498-1080910
$4074
Ships on 11/03/2026Lowest price guarantee
GOODYEAR BELTS
1080910 Serpentine Belt, Select Orion Bus; Freightliner; Peterbilt, K Profile, 8 Ribs, 91 in. Effective Length
Part Number: 498-1080910
Ships on 11/03/2026Lowest Price Guarantee$4074
GOODYEAR BELTS
1060540 Serpentine Belt, Fits Select Makes/Models, K Profile, 6 Ribs, 54 in. Effective Length
Part Number: 498-1060540
$2081
Ships on 11/03/2026Lowest 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 11/03/2026Lowest Price Guarantee$2081
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