Mack Truck Parts
Find top-quality Mack truck parts at 4 State Trucks. Upgrade your rig with OE replacements and aftermarket solutions to ensure peak performance and durability. From bumpers and engine parts to fenders, you'll discover everything needed to keep your truck in prime condition. Hit the road confidently with reliable replacement Mack Truck parts.
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Nitrogen Oxide Sensor Outlet With Square Connector For Cummins ISX Engines
INQBRANDS
$249.89Nitrogen Oxide Sensor Outlet * High Quality Nitrogen Oxide Sensor Outlet* Black Connector Color* Square Female Connector * Male Terminal* 4 Terminals* Blade Terminal* 22 Gauge Wire Gauge Measurement* 620 MM Wiring Harness Length* Sold Individually*...$249.89 -
Nitrogen Oxide Sensor Outlet Of DPF With Oval Connector For Cummins ISX Engines
INQBRANDS
$215.89Nitrogen Oxide Sensor Outlet * High Quality Nitrogen Oxide Sensor Outlet* Black And Gray Connector Color* Oval Female Connector* Male Terminal * 4 Terminal* Pin Terminal* 20 Gauge Wire Gauge Measurement* 915 MM Wiring Harness Length* Sold Individually*...$215.89 -
Nitrogen Oxide Sensor Outlet Of DPF For Cummins ISX Engines
DAYTON / DORMAN
$346.99Nitrogen Oxide Sensor Outlet W/ Oval Female Connector * High Quality Nitrogen Oxide Sensor Outlet* Black And Gray Connector * Oval Female Connector * Male Terminal * 4 Terminal * Pin Terminal * 20 Gauge Wire Gauge Measurement* 620 MM Wiring Harness* Sold...$346.99 -
Torque Converter Outlet Oil Temperature Sensor - Replaces 2566453
DAYTON / DORMAN
$37.73-40 To 150 Degree Oil Temp Sensor * High Quality Oil Temp Sensor* Female Connector * Irregular Connector Shape* 150 Deg. C. Maximum Temperature Rating* -40 Deg. C. Minimum Temperature Rating* Male Terminal * 2 Terminal * Terminal Type: Blade* 0.75 In...$37.73 -
DPF Differential Pressure Sensor, Replaces 2871960, 4984187
DAYTON / DORMAN
$94.68DPF Differential Pressure Sensor * High Quality Differential Pressure Sensor* Male Gender* 10 PSI Maximum Pressure* 1 DPF Pressure Sensor Package Contents* 2 Port Quantity* Rectangle Shape* 4 Blade Terminals* Sold Individually* Warranty On Differential...$94.68 -
On Sale
Intake Pre-Filter For LAF3551 Air Filter
FREEDOM AIR FILTERS
Now: $52.44Was: $74.91Intake Pre-Filter For P153551 Air Filter * High Quality Polyester Mesh Pre-Filter* This Is A Pre-Filter Wrap That Covers The Air Filter Element. Air Filter Element Not Included. Sold Separately.* Fits The Following Air Filter Numbers- ACDelco A1175C-...Now: $52.44Was: $74.91 -
3 Ply Coolant Hose, 1.50 Inch ID X 12 Feet Long
FLEXFAB
$253.99Heavy Duty Silicone Rubber Blue Coolant Hose * High Quality Coolant Hose * Silicone* 1 1/2 Inch ID* 12 Foot* With 3 Plies Of Polyester Reinforcement* Meets SAE L20* Temperature Range -65 Degree To 300 Degree Fahrenheit* Made In USA* Sold Individually *...$253.99 -
CAT Engines Manifold Spacers Stainless Steel
FULL TILT PERFORMANCE
$299.89Manifold Spacers For CAT Engines Stainless Steel Fits C13, C15, ACERT And 3406 B, C And E * Made Of High Quality Stainless Steel* Exhaust Manifold Spacers* For Caterpillar Engines* Premium Bully Dog Product * Sold Individually* Made In USA* Warranty On...$299.89 -
Spicer Half Round End Yoke
OPP - ORIGINAL PARTS PROGRAM
$173.99Differential Pinion Shaft End YokeThe Spicer 6-4-7481-1 Differential End Yoke is a high-quality component designed for use in various driveshaft assemblies. It is crafted from durable materials and features precise engineering for superior performance,...$173.99 -
Fleet Charge Pre-Mixed 50/50 Coolant- 1 Gallon
AFTERMARKET
$13.04Antifreeze Fleet Charge Radiator CoolantRegulate the temperature in heavy duty diesel, gasoline, and natural gas engines with this high quality Fleet Coolant/Antifreeze. It is the original fully formulated supplemental Coolant additive (SCA) Pre-charge...$13.04 -
Air Dog Champ II Air Fuel Separator For CAT Engines 3406E, C13, C15, C16, C18
AFTERMARKET
$498.99Air Dog Champ II Air Fuel Separator Fits CAT EnginesGet your AirDog Champ II spin-on high-pressure fuel air separator at 4 State Trucks! It is designed specifically for CAT engines with secondary filters. This system effectively removes entrained air and...$498.99 -
Clutch Install Kit For Fuller RT Transmission
OPP - ORIGINAL PARTS PROGRAM
$238.99Clutch Install Kit * High Quality Clutch Install Kit* For Fuller RT Series Transmissions* Includes All The Wear Items And Gaskets * Kit Includes:- S-1659 Input Shaft - 2 Inch- 14750 Retaining Ring - Inner- 16980 Retaining Ring - Outer- 81504 Bearing -...$238.99