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 Sanden 4377 AC Compressor With 125MM 6 Groove Clutch, Serpentine Belt For Peterbilt 387
BESTFIT TRUCK PARTS
$458.99BESTfit 12V Sanden Super HD AC Compressor For Peterbilt 387 - Replaces F69-6003-121 * High Quality AC Compressor * Genuine OEM Grade* Super HD Style* 12 Volts* Clutch Diameter: 125 MM* 6 Groove* Serpentine Belt* 7 Cylinders* Comp. Displacement: 9.5 Cubic...$458.99 -
BESTfit Fuel Check Valve For 12.7L Detroit Diesel Engine
BESTFIT TRUCK PARTS
$66.70BESTfit 12.7L Detroit Diesel Engine Fuel Check Valve * High Quality Fuel Check Valve* Sold Individually* Warranty On Fuel Check Valves Against Defects In Workmanship & Material From Date Of Purchase.*** High Quality Aftermarket Replacement Part (Not OEM)...$66.70 -
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BESTfit Blue 0.75 Inch Inner Diameter Silicone Heater Hose - 25 Feet
BESTFIT TRUCK PARTS
Now: $65.68Was: $93.83Blue Silicone Heater Hose - 0.75 Inch X 25 Feet * High Quality Heater Hose* Made Of Silicone* Blue* 0.750 Inch ID * 25 Feet* Cut To Length * Sold Individually* Warranty On Heater Hose Against Defects In Workmanship & Material From Date Of Purchase***High...Now: $65.68Was: $93.83 -
BESTfit Blue 0.625 Inch Inner Diameter Silicone Heater Hose - 25 Feet
BESTFIT TRUCK PARTS
$70.37BESTfit Blue Silicone Heater Hose - 0.625 Inch X 25 Foot * High Quality Heater Hose* Made Of Silicone* Blue* 0.625 Inch ID * 25 Feet* Cut To Length * Sold Individually* Warranty On Heater Hose Against Defects In Workmanship & Material From Date Of...$70.37 -
BESTfit Blue 0.5 Inch Inner Diameter Silicone Heater Hose - 25 Feet
BESTFIT TRUCK PARTS
$79.55BESTfit Blue Silicone Heater Hose - 0.5 Inch X 25 Foot * High Quality Heater Hose * Silicone* Blue * 0.500 Inch I.D.* 25 Feet* Sold Individually * Warranty On Heater Hose Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...$79.55 -
BESTfit Blue 0.25 Inch Inner Diameter Silicone Heater Hose - 25 Feet
BESTFIT TRUCK PARTS
$54.56BESTfit Blue Silicone Heater Hose - 0.25 Inch X 25 Foot * High Quality Heater Hose* Silicone * Blue * 0.25 I.D. * 25 Feet * Sold Individually * Warranty On Heater Hose Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...$54.56 -
BESTfit SAE 3 Flywheel Housing For Cummins C/ISC/ISL Series Engines - Replaces 5339507, 3902390, 3910760
BESTFIT TRUCK PARTS
$774.99BESTfit Cummins C, ISC & ISL Series Flywheel HousingThe Flywheel Housing, constructed from cast iron material and designed for the driver-side starter position, is sold individually as an aftermarket replacement part, not OEM. It replaces OE numbers...$774.99 -
BESTfit Exhaust Manifold For Detroit 60 Series Engines - Replaces Detroit 23533974 Kit
BESTFIT TRUCK PARTS
$645.99BESTfit Exhaust Manifold For Detroit 60 - Replaces 23533949, 23533822, 23533821 & 23533221The Exhaust Manifold is specifically designed for Detroit Diesel Series 60 engines, featuring a mid-mount turbo location. It includes the center section (23533949),...$645.99 -
BESTfit Exhaust Manifold For Cummins B/ISB Series - Replaces 3967751, 3937477
BESTFIT TRUCK PARTS
$239.99BESTfit Exhaust Manifold With Offset Turbo Mount Section & Slip Fit End SectionsThe Exhaust Manifold features a turbo mount section that is offset, with the end section designed for slip fit. Sold individually, this aftermarket replacement part is not...$239.99 -
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