Semi-Truck Engine Parts
Explore a diverse range of new semi-truck engine parts at 4 State Trucks. Discover quality OE and aftermarket replacement filters, belts, sensors, flywheel components, and more online to ensure your engine runs smoothly. Elevate your truck's engine with our quality parts today!
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BESTfit EGR Cooler Replaces 85136428 For Mack MP8 & Volvo D13 Engines
BESTFIT TRUCK PARTS
$1,189.99BESTfit EGR Cooler For Mack MP8 & Volvo D13 Engines * High Quality EGR Cooler* For Mack MP8 And Volvo D13* No Core Exchange Required * Crossover With MP8 Application* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM) ***** Please...$1,189.99 -
BESTfit EGR Cooler For Cummins ISX Gen 3 Engine 2010-2013
BESTFIT TRUCK PARTS
$1,904.99BESTfit EGR Cooler - Replaces 3689282, 3686710, 3687048, 2892893 & 3687813The EGR Cooler is designed for Cummins ISX GEN 3 engines and is sold individually as an aftermarket replacement part, not bearing any OEM branding. Before purchasing, it's...$1,904.99 -
BESTfit EGR Cooler For Detroit DD15 60 Series Engine - Replaces 4721400475
BESTFIT TRUCK PARTS
$1,944.99BESTfit EGR Cooler For Detroit DD15 60 Series EngineThe EGR Cooler is intended for DD15 60 Series engines and is sold individually as an aftermarket replacement part, not bearing any OEM branding. Before making a purchase, it's crucial to verify OE...$1,944.99 -
BESTfit EGR Cooler For Detroit 60 Series Engine - Replaces 23538835, 23535288 & 23535180
BESTFIT TRUCK PARTS
$1,058.99BESTfit EGR Cooler For Detroit 60 Series EngineThe EGR Cooler is designed for Detroit Series S60 engines and is sold individually as an aftermarket replacement part, not bearing any OEM branding. Before purchasing, it's essential to verify OE numbers to...$1,058.99 -
BESTfit EGR Cooler For Detroit 14.0L DDEC VII 60 Series Engine - Replaces 23537387
BESTFIT TRUCK PARTS
$1,770.99BESTfit EGR Cooler For Detroit 14.0L DDEC VII 60 Series EngineThe EGR Cooler is specifically designed for Detroit Series 60 engines with 14.0L DDEC VII, manufactured between 2007 and 2009. Sold individually as an aftermarket replacement part without any...$1,770.99 -
BESTfit EGR Cooler For Ford, International School Buses W/ 6.0 L Powerstroke & VT365 Engines
BESTFIT TRUCK PARTS
$365.99BESTfit VT365 Cooler - Replaces 1845145C97, 1845274C92 & 4C3Z9P45AJThis BESTfit EGR Cooler is quality-engineered to cool exhaust gas and recirculate it back to the engine. Replacement prevents coolant from leaking into the exhaust manifold and may...$365.99 -
BESTfit Oil Pan Isolator Seal Gasket For Caterpillar C15 & Late 3406E Engines
BESTFIT TRUCK PARTS
$115.99BESTfit Diesel CAT C15 & Late 3406E Oil Pan GasketThe Oil Pan Gasket/Isolation Seal is a one-piece rubber component designed for Caterpillar C15 and late 3406E engines. Sold individually as an aftermarket replacement part, it's important to verify OE...$115.99 -
BESTfit Oil Pan With Front Sump For International With T444E Engine Ford With 6.7L Engine
BESTFIT TRUCK PARTS
$540.99BESTfit Oil Pan With Front Sump Fits International & Ford - Replaces 1825741C91 & 1830838C91 * High Quality Oil Pan With Front Sump * Aftermarket Oil Pan* Sold Individually***High Quality Aftermarket Replacement Part (Not OEM)***** Please Verify OE...$540.99 -
On Sale
BESTfit EGR Cooler For International NaviStar With Maxx Force 9, 10 & 11
BESTFIT TRUCK PARTS
Now: $224.24Was: $752.99BESTfit Exhaust Side EGR Cooler * High Quality EGR Cooler * Fits Aftermarket MaxxForce And Aftermarket International / Navistar Diesel Engine Trucks.* Engine Years: 2008-2014* Exhaust Side* Sold Individually***High Quality Aftermarket Replacement Part...Now: $224.24Was: $752.99 -
BESTfit 3 Piece Exhaust Manifold Kit For Cummins NT855 Late Style, Small Cam, Big Cam, I, II, III, IV & Nt88
BESTFIT TRUCK PARTS
$399.99BESTfit Exhaust Manifold - Replaces 3801915, 3053137, 3053138 & 3052859The NT855 Exhaust Manifold kit offers comprehensive coverage, including front, center, and rear sections, along with a mounting kit for convenient installation. Designed without...$399.99 -
On Sale
BESTfit AC Compressor W/ Clutch Direct Mount For Dennis Eagle 7H15
BESTFIT TRUCK PARTS
Now: $56.16Was: $207.99BESTfit 10 Groove AC Compressor W/ Single Wire Diode With KCA Head * High Quality AC Compressor* Direct Mount* 10 Groove 125MM Clutch* Single Wire With Diode With KCA Head* Sold Individually* Warranty On AC Compressors Against Defects In Workmanship &...Now: $56.16Was: $207.99 -
BESTfit 4 Inch ID X 6 Inch 4-Ply Heavy Duty Silicone Charge Air Cooler Hose
BESTFIT TRUCK PARTS
$54.05BESTfit 4 X 6 Inch Silicone Charge Air Cooler Hose -65 Degree to 500 DegreeThe Charge Air Cooler is a robust component designed for reliable performance. With a 4-inch inner diameter and 6-inch length, this blue silicone hose is specifically crafted for...$54.05