Peterbilt Parts
Need some primo Peterbilt parts? Well, you just hit the jackpot. Here at 4 State Trucks, we're not messing around - we've got a treasure trove of both genuine and aftermarket Peterbilt parts and goodies that'll make your rig purr. Listen, we get it. Maybe you're babying your trusty workhorse, or perhaps you're shining up that show-stopper for the next big event. Either way, we've got your Peterbilt parts and your back. Our crew knows Petes inside and out, and they're itching to help you find that perfect part. Got a classic 379 that needs some love? We've got your parts. Rolling in a spanking new 579? No sweat, we've got those cutting-edge parts too.
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BESTfit AC Trinary Pressure/Fan Override Switch - Normally Closed, Replaces OEM Numbers 71R-7650, RD5-4625-0
BESTFIT TRUCK PARTS
$64.25BESTfit Normally Closed Ac Trinary Switch Replaces OEM Numbers 71R-7650, RD5-4625-0 * High Quality AC Trinary Fan Overide/Pressure Switch* Normally Closed High * Open 325/Close 230 * Low - Open 22/ Close 40* Sold Individually* Warranty On AC Trinary Fan...$64.25 -
BESTfit Fiberglass Fan Shroud For Radiator With 32 Inch Opening Replaces N4178001 For Peterbilt 320
BESTFIT TRUCK PARTS
$803.89BESTfit Fiberglass Fan Shroud For Radiator With 32 Inch OpeningThis aftermarket Peterbilt 386 Fiberglass Radiator Fan Shroud with a 35-inch opening is designed to replace your OEM N4178001 factory style fan shroud. This radiator fan shroud is...$803.89 -
BESTfit Fiberglass Fan Shroud For Radiator Replaces N4191001 For Peterbilt 384 & 387
BESTFIT TRUCK PARTS
$727.89BESTfit Fiberglass Fan Shroud For RadiatorThis aftermarket Peterbilt 387 Fiberglass Radiator Fan Shroud is designed to replace your OEM N4191001 factory style fan shroud. This radiator fan shroud is manufactured to OE quality and specification with...$727.89 -
BESTfit Fiberglass Fan Shroud For Radiator With 35 Inch Opening Replaces 5S68905D2 For Peterbilt 379, 378 & 377
BESTFIT TRUCK PARTS
$689.89BESTfit Fiberglass Fan Shroud For Radiator With 35 Inch OpeningThis aftermarket Peterbilt 377, 378, and 379 Fiberglass Radiator Fan Shroud with a 35 inch opening is designed to replace your OEM 5S68905D2 factory style fan shroud. This radiator fan shroud...$689.89 -
BESTfit 4 X 33.5 Inch Heavy Duty Exhaust Gas Recirculation Cooler For ISX Cummins 2007-2011
BESTFIT TRUCK PARTS
$1,159.99BESTfit EGR Cooler For Cummins ISX Gen 2Presenting our Exhaust Gas Recirculation Cooler, a reliable aftermarket replacement part designed for optimal performance. This cooler features a flanged design with an inlet inside diameter of 1.65 inches and an...$1,159.99 -
BESTfit 20 Inch Flywheel Replaces 244-1636 For Caterpillar 3406E C15
BESTFIT TRUCK PARTS
$411.99BESTfit Flywheel For 15 Inch Clutch Fits CaterpillarIntroducing the aftermarket Flywheel designed to perfectly fit Caterpillar 3406E (Late) and C15 engines. This flat-designed Flywheel features a 10-inch opening and 12 bolt mounting holes, meeting SAE #1...$411.99 -
BESTfit HVAC Blower Motor Replaces HA11550 For Peterbilt 359 Cab & Sleeper
BESTFIT TRUCK PARTS
$116.99BESTfit Blower Motor With OE Style Plug Fits Peterbilt 359 * High Quality HVAC Blower Motor* Fits Cab And Sleeper* Has OE Style Plug* * Warranty On Blower Motor Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket...$116.99 -
BESTfit Oil Temperature Sender For Differential, Engine & Transmission For Peterbilt
BESTFIT TRUCK PARTS
$62.21BESTfit Oil Temperature Sender For Differential, Engine & Transmission Fits Peterbilt * High Quality Oil Temperature Sender* .50 Pipe Thread* Single Terminal Connector* Brass Construction* Resistance Curve Specific To Peterbilt* For Differential, Engine...$62.21 -
BESTfit 12 Foot Pyrometer Wire Harness
BESTFIT TRUCK PARTS
$42.12BESTfit 12 Foot Pyrometer Wire HarnessIntroducing the Pyrometer Harness, a quality aftermarket replacement part designed to connect your gauge to the stringer with ease and reliability. This harness features a generous length of 12 feet, allowing for...$42.12 -
BESTfit Rubber Seal For Dual Square Headlamp Replaces 16-03576 For Peterbilt 359, 365, 367, 378 & 379
BESTFIT TRUCK PARTS
$24.67BESTfit Rubber Seal For Dual Square Headlamp * High Quality Rubber Seal* For Dual Square Headlamps* 14.50 X 5.125 OD* Made In USA* Warranty On Rubber Seals Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...$24.67 -
BESTfit Headlamp Wiring Harness W/ Floor Dimmer Switch For Peterbilt 359-Replaces 16-03392
BESTFIT TRUCK PARTS
$404.99BESTfit Headlamp Wiring Harness W/ Floor Dimmer SwitchThis high quality hood wiring headlamp harness with the floor dimmer switch that fits the Peterbilt 359 model includes factory style bullet and spade connectors and replaces the harness from the...$404.99 -
BESTfit Wiring Headlamp Harness For Turn Signal Switch Dimmer Control For Peterbilt 359
BESTFIT TRUCK PARTS
$408.99BESTfit Headlamp Harness For Turn Signal Switch Dimmer ControlThis high quality hood wiring headlamp harness for the turn signal dimmer control that fits the Peterbilt 359 model includes factory style bullet and spade connectors and replaces the harness...$408.99