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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Axle Gasket
OPP - ORIGINAL PARTS PROGRAM
$5.60Axle Gasket * High Quality Axle Gasket* Fits Drive Axles* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM)***This Original Parts Program item is not aftermarket and is an Original Equipment Manufacturer (OEM) Part.We purchase this...$5.60 -
Blue Oil Cap Replacement Plug For Dual Dynamics
DUAL DYNAMICS
$4.38Replacement Oil Cap Plug For Dual Dynamics - Blue * High Quality Oil Cap Plug* Blue* For 302PC Dual Dynamics* Sold Individually* Warranty On Oil Cap Plug Against Defects In Workmanship & Material From Date Of Purchase.***High Quality Aftermarket...$4.38 -
Rubber Battery Box Bushing, K4023KW For Kenworth
AUTOMANN USA
$5.59Battery Box Bushing Replaces 4023, 4023KW, And K4023KW * High Quality Battery Box Bushing* 1.52 Inch O.D.* 0.375 Inch I.D.* 0.715 Inch Height* Sold Individually * Warranty On Battery Box Bushings Against Defects In Workmanship & Material From Date Of...$5.59 -
Klotz Foam Filter Oil Blocks Out Moisture, Dirt, Water - 15.25 Oz. Aerosol
FLEET FILTERS
$25.85Klotz KL-606 Foam Air Filter Oil * High Quality Foam Filter* Blocks Out Moisture, Dirt, And Water* For Waterproof Protection* Improves Air Flow * Filters Out Micron-Sized Particles * 15.25 Oz Aerosol * Sold Individually* Warranty On Foam Filters Against...$25.85 -
Water Pump W/ Dome Drive Gear & Straight Teeth For CAT C15 Engine
AKMI
$420.99Dome Drive Gear Water Pump, Replaces 1610969 * High Quality Water Pump* Dome Drive Gear * With Straight Teeth* Bolt On Gear* Made In USA* Sold Individually* Warranty On Water Pumps Against Defects In Workmanship & Material From Date Of Purchase*** High...$420.99 -
Oil Cooler, Replaces 2237962 For Caterpillar C15
AKMI
$841.99Cat C15 Oil Cooler * High Quality Oil Cooler* Shell And Tube Style * Oil To Water Cooler* Avoids The Risk Of Overheated Oil* Sold Individually* Warranty On Oil Coolers Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...$841.99 -
High Mount Exhaust Manifold For Caterpillar C15
AKMI
$546.99Caterpillar C15 Exhaust Manifold W/ High Mount * High Quality Exhaust Manifold* Includes:- Center Section - End Section * High Mount* Mounting Kit Not Included* For Diesel Engine Trucks * Sold Individually* Warranty On Exhaust Manifolds Against Defects...$546.99 -
Low Mount Exhaust Manifold For Caterpillar C15
AKMI
$546.99Caterpillar C15 Exhaust Manifold W/ Low MountThis is an aftermarket Caterpillar C15 Low Mount Exhaust Manifold. Mounting hardware is not included. * High Quality Exhaust Manifold* Includes- Center Section- End Section * Low Mount* Mounting Kit Not...$546.99 -
Exhaust Manifold Replaces 20738332 For Volvo D13 & Mack MP8 EGR
AKMI
$468.99Volvo & Mack Exhaust ManifoldThis Exhaust Manifold fits in your Aftermarket Volvo D13 and Mack MP8 EGR Diesel Engine Trucks. Find high quality replacement parts at 4 State Trucks! * High Quality Exhaust Manifold* Includes - Center Section- End Section-...$468.99 -
Gasket For Power Steering Reservoir- NMCQ79699, Q79699, FGQ79699
AUTOMANN USA
$3.36Replacement Cover Gasket for Power Steering ReservoirLooking for a gasket for your power steering reservoir? Our reliable gasket ensures a perfect seal, preventing leaks and keeping your power steering system in top shape! * High Quality Gasket Power...$3.36 -
Multi V Ribbed Serpentine Belt 34.5 Inch - 4050345
AUTOMANN USA
$30.595 Rib, 34.5 Inch Multi V-Belt Replaces 4050345This quality after-market serpentine belt features a straight ribbed construction that matches the OE Style Belt for improved durability and a longer-lasting, quieter ride. With a 34.50-inch effective length...$30.59 -
Multi V Ribbed Serpentine Belt 35 Inch - 4050350
AUTOMANN USA
$19.565 Rib, 35 Inch Multi V-Belt Replaces 4050350This quality after market serpentine belt has a straight ribbed construction to match OE Style Belt. New construction and compounding improves durability for a longer lasting, quieter ride. * High Quality...$19.56