Peterbilt Truck Engine Parts
Elevate your big rig's performance with 4 State Trucks' premium Peterbilt semi truck engine parts. Boost your Peterbilt's heart with high-flow air filters and efficient fuel injectors, designed for both independent truckers and large fleets. Trust 4 State Trucks for top-quality Peterbilt semi truck engine parts that enhance reliability and power, ensuring your semi conquers every mile with confidence. Whether you're seeking routine replacements or performance upgrades, our components keep your Peterbilt semi truck running strong, making each haul smoother and more dependable.
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BESTfit Exhaust Manifold For Cummins C/ISC Series - Replaces 3943841, 3937477
BESTFIT TRUCK PARTS
$253.99BESTfit Exhaust Manifold With Centered Turbo Mount SectionThe Exhaust Manifold features a turbo mount section that is centered, with the end section utilizing the seals provided. Sold individually, this aftermarket replacement part is not OEM and...$253.99 -
BESTfit Expansion Block Replaces 85104197 For Peterbilt 384, 386, 388, 389, 587 2010-2016
BESTFIT TRUCK PARTS
$43.85BESTfit Flange-Mount Expansion Block For Peterbilt 384, 386, 388, 389 & 587 * High Quality Expansion Block * Features: - 1 1/2 Ton Rating - Block Type Mounting - R12/R134a Refrigerant Type- Number 6 Hose Inlet Size - Number 10 Hose Out Size- Number 8...$43.85 -
BESTfit 3 Piece Exhaust Manifold Kit For Detroit 60 Series - Replaces 23537114, 23537115, 23537116
BESTFIT TRUCK PARTS
$451.99BESTfit 3 Piece Exhaust Manifold Kit With Flexible Bellows For Detroit 60 Series EngineThe exhaust manifold kit comprises three pieces, including the front, center, and rear sections, and is sold individually as an aftermarket replacement part, not OEM...$451.99 -
BESTfit 18 X 7 X 1.5 Inch Oil Cooler With 200 PSI Max Operating Pressure, 300 Degree Max Temperature
BESTFIT TRUCK PARTS
$206.99BESTfit Oil Cooler With 1/2 Inch NPT Female Fittings, 2-12 GPM Flow Rate & 8,600-11,600 BTU Range * High Quality Oil Cooler* Measurements:- 18 Inch Height- 7 Inch Length - 1.50 Inch Width* 1/2 Inch NPT Female Fittings* Max Operating Pressure 200 PSI *...$206.99 -
BESTfit Ear-Mount AC Compressor Sanden With 2 Groove 132MM Clutch, 1 Wire Connection
BESTFIT TRUCK PARTS
$179.99BESTfit AC Compressor - Replaces 2241180000, ABPN83304843, N83-304274, N83-304572 & N83-304843 * High Quality AC Compressor* Connector: 1 Wire Female Weatherpack* Connector Type: Female* Cylinder Head: Mja* Pulley Diameter: 132 Mm* Gauge Line: 40 Mm*...$179.99 -
BESTfit Charge Air Cooler Lower 26.25 X 7.75 Inch For Peterbilt 320, 520
BESTFIT TRUCK PARTS
$1,536.99BESTfit Peterbilt Charge Air Cooler Lower 26.25 X 7.75 Inch * High Quality Air Cooler* Measurements: - 26.25 Inch Height - 7.75 Inch Width - 2.50 Inch Thick- 2.25 Inch Inlet - 2.25 Inch Outlet* Sold Individually * Warranty On Air Cooler Against Defects...$1,536.99 -
BESTfit Heater Core Replaces 3X010005 For Peterbilt 1998-2011
BESTFIT TRUCK PARTS
$298.99BESTfit Heater Core Fits PeterbiltThe Heater Core, suitable for Peterbilt models except 387 and 578, requires 5/8 to 3/4 bushings. It measures 10 inches in length, 3 inches in width, and 9 inches in height. This aftermarket replacement part, not OEM,...$298.99 -
BESTfit 40 1/2 X 30 5/8 X 2 Inch Radiator W/ 2 1/2 Inch Inlet And Outlet For Peterbilt. Kenworth
BESTFIT TRUCK PARTS
$1,099.99BESTfit Plastic Aluminum Radiator W/ PTO Crank Box And 2 1/2 Inch Inlet And Outlet * High Quality Radiator* Plastic Aluminum* 40.50 Height * 30.625 Wide * 2.00 Thick * 2.50 Inlet Upper Left * 2.50 Outlet Lower Right* With PTO* Sold Individually* Warranty...$1,099.99 -
BESTfit Charge Air Cooler Upper 26.25 X 26.375 Inch Replaces FW528001 & EC171001 For Peterbilt 320 & 520
BESTFIT TRUCK PARTS
$1,423.99BESTfit Peterbilt Charge Air Cooler Upper 26.25 X 26.375 Inch Replaces FW528001 & EC171001 * High Quality Charge Air Cooler* 26.25 Height* 26.375 Width* 2.500 Thick * Sold Individually* Warranty On Charge Air Cooler Against Defects In Workmanship &...$1,423.99 -
BESTfit AC Compressor SD7H15HD W/ 6 Groove Clutch
BESTFIT TRUCK PARTS
$221.99BESTfit AC Compressor W/ 6 Groove Clutch * High Quality AC Compressor* 6 Groove 125MM Clutch* Single Wire* OEM Number Inch S 5513025, 6513025, 7513025, 82016157, 2004328, And 4328 C2298Sr* Sold Individually* Warranty On AC Compressors Against Defects In...$221.99 -
BESTfit Flywheel For Caterpillar 3176, C10, C12 & C13 Engines - Replaces 4P8515
BESTFIT TRUCK PARTS
$501.99BESTfit Flywheel With 10 Inch Center Opening & 8 Bolt HolesThe described flywheel is intended for use with Caterpillar 3176, C10, C12, and C13 engines. It features a flat design suitable for a 15-inch clutch, with a Size SAE #1 configuration and a...$501.99 -
BESTfit Front Sump Steel Oil Pan - Replaces 3800906, 3803688, 3803849 & More For Cummins L10, M11 & ISM Engines
BESTFIT TRUCK PARTS
$701.99BESTfit Front Sump Steel Oil Pan W/ 22 Bolt HolesThe Oil Pan is specifically designed for Cummins L10, M11, and ISM engines with a front sump configuration. Constructed from stamped steel, this oil pan comes with an included oil pan mounting gasket for...$701.99