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2007 Peterbilt 378 Parts
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![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)
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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
GATES
DriveAlign Idler Pulley for Select 2003-2020 Peterbilt, Kenworth and Other Makes
Part Number: 465-36165
$20017
Ships on Oct 13, 2026Lowest price guarantee
GATES
DriveAlign Idler Pulley for Select 2003-2020 Peterbilt, Kenworth and Other Makes
Part Number: 465-36165
Ships on Oct 13, 2026Lowest Price Guarantee$20017
![DriveAlign Idler Pulley for Select 2004-2009 Sterling Truck, Freightliner and Other Makes [74 mm Pulley O.D., Smooth Pulley]](https://www.jegs.com/images/mini_100/400/465/465-36269.jpg)
GATES
DriveAlign Idler Pulley for Select 2004-2009 Sterling Truck, Freightliner and Other Makes [74 mm Pulley O.D., Smooth Pulley]
Part Number: 465-36269
$21273
Ships on Oct 13, 2026Lowest price guarantee![DriveAlign Idler Pulley for Select 2004-2009 Sterling Truck, Freightliner and Other Makes [74 mm Pulley O.D., Smooth Pulley]](https://www.jegs.com/images/mini_200/400/465/465-36269.jpg)
GATES
DriveAlign Idler Pulley for Select 2004-2009 Sterling Truck, Freightliner and Other Makes [74 mm Pulley O.D., Smooth Pulley]
Part Number: 465-36269
Ships on Oct 13, 2026Lowest Price Guarantee$21273
![Green Stripe DriveAlign Heavy Duty Belt Tensioner Fits Select International, Kenworth and Other Makes [76.3 mm Pulley O.D.]](https://www.jegs.com/images/mini_100/400/465/465-38587.jpg)
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Green Stripe DriveAlign Heavy Duty Belt Tensioner Fits Select International, Kenworth and Other Makes [76.3 mm Pulley O.D.]
Part Number: 465-38587
$28315
Ships on Oct 13, 2026Lowest price guarantee![Green Stripe DriveAlign Heavy Duty Belt Tensioner Fits Select International, Kenworth and Other Makes [76.3 mm Pulley O.D.]](https://www.jegs.com/images/mini_200/400/465/465-38587.jpg)
GATES
Green Stripe DriveAlign Heavy Duty Belt Tensioner Fits Select International, Kenworth and Other Makes [76.3 mm Pulley O.D.]
Part Number: 465-38587
Ships on Oct 13, 2026Lowest Price Guarantee$28315
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
![DriveAlign Idler Pulley Fits Select Peterbilt, International and Other Makes [83.5 mm Pulley O.D., 6-Groove, Flanged]](https://www.jegs.com/images/mini_100/400/465/465-36223.jpg)
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DriveAlign Idler Pulley Fits Select Peterbilt, International and Other Makes [83.5 mm Pulley O.D., 6-Groove, Flanged]
Part Number: 465-36223
$10382
Ships on 10/16/2026Lowest price guarantee![DriveAlign Idler Pulley Fits Select Peterbilt, International and Other Makes [83.5 mm Pulley O.D., 6-Groove, Flanged]](https://www.jegs.com/images/mini_200/400/465/465-36223.jpg)
GATES
DriveAlign Idler Pulley Fits Select Peterbilt, International and Other Makes [83.5 mm Pulley O.D., 6-Groove, Flanged]
Part Number: 465-36223
Ships on 10/16/2026Lowest Price Guarantee$10382
![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)
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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)
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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
![FleetRunner Micro-V Serpentine Belt for Select 2003-2022 Freightliner and Other Makes [8-Rib, 101.110 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k081005hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 2003-2022 Freightliner and Other Makes [8-Rib, 101.110 in. Outside Circumference]
Part Number: 465-K081005HD
$8099
Ships on Oct 13, 2026Lowest price guarantee![FleetRunner Micro-V Serpentine Belt for Select 2003-2022 Freightliner and Other Makes [8-Rib, 101.110 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k081005hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 2003-2022 Freightliner and Other Makes [8-Rib, 101.110 in. Outside Circumference]
Part Number: 465-K081005HD
Ships on Oct 13, 2026Lowest Price Guarantee$8099
![Micro-V Serpentine Belt for Select 1993-2008 International and Other Makes [8-Rib, 73.517 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k080730.jpg)
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Micro-V Serpentine Belt for Select 1993-2008 International and Other Makes [8-Rib, 73.517 in. Outside Circumference]
Part Number: 465-K080730
$10640
Ships on Oct 13, 2026Lowest price guarantee![Micro-V Serpentine Belt for Select 1993-2008 International and Other Makes [8-Rib, 73.517 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k080730.jpg)
GATES
Micro-V Serpentine Belt for Select 1993-2008 International and Other Makes [8-Rib, 73.517 in. Outside Circumference]
Part Number: 465-K080730
Ships on Oct 13, 2026Lowest Price Guarantee$10640
GATES
Heavy-Duty Water Pump for Select 2007-2018 Peterbilt, Kenworth and Other Makes
Part Number: 465-45052HD
$69846
Ships on Oct 13, 2026Lowest price guarantee
GATES
Heavy-Duty Water Pump for Select 2007-2018 Peterbilt, Kenworth and Other Makes
Part Number: 465-45052HD
Ships on Oct 13, 2026Lowest Price Guarantee$69846
GATES
Complete Serpentine Belt Drive Component Kit for Select 2003-2023 Volvo, Peterbilt and Other Makes
Part Number: 465-90K-38610HDC
$26808
Ships on Oct 13, 2026Lowest price guarantee
GATES
Complete Serpentine Belt Drive Component Kit for Select 2003-2023 Volvo, Peterbilt and Other Makes
Part Number: 465-90K-38610HDC
Ships on Oct 13, 2026Lowest Price Guarantee$26808
![FleetRunner Micro-V Serpentine Belt for 2004-2007 Mack and Peterbilt Models [12-Rib, 90.873 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k120903hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for 2004-2007 Mack and Peterbilt Models [12-Rib, 90.873 in. Outside Circumference]
Part Number: 465-K120903HD
$16893
Ships on 10/16/2026Lowest price guarantee![FleetRunner Micro-V Serpentine Belt for 2004-2007 Mack and Peterbilt Models [12-Rib, 90.873 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k120903hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for 2004-2007 Mack and Peterbilt Models [12-Rib, 90.873 in. Outside Circumference]
Part Number: 465-K120903HD
Ships on 10/16/2026Lowest Price Guarantee$16893
![FleetRunner Micro-V Serpentine Belt for Select 1993-2008 International and Other Makes [8-Rib, 73.500 in. Outside Circumference]](https://www.jegs.com/images/mini_100/400/465/465-k080730hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 1993-2008 International and Other Makes [8-Rib, 73.500 in. Outside Circumference]
Part Number: 465-K080730HD
$9857$148.20
YOU SAVE
$49.63Ships TomorrowLowest price guarantee![FleetRunner Micro-V Serpentine Belt for Select 1993-2008 International and Other Makes [8-Rib, 73.500 in. Outside Circumference]](https://www.jegs.com/images/mini_200/400/465/465-k080730hd.jpg)
GATES
FleetRunner Micro-V Serpentine Belt for Select 1993-2008 International and Other Makes [8-Rib, 73.500 in. Outside Circumference]
Part Number: 465-K080730HD
Ships TomorrowLowest Price Guarantee$9857 $148.20
YOU SAVE
$49.63
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 10/21/2026Lowest 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
