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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1.1M Gray 4-Way Female Compact NOx Sensor Connector Pigtail
JML KUSTOMS
$23.08Reliable NOx Sensor Connector for Heavy-Duty Trucking ApplicationsUpgrade or replace your truck's NOx sensor wiring with this 1.1M Gray 4-Way Female Compact NOx Sensor Connector Pigtail. Designed for durability and precision, this connector ensures...$23.08 -
Female Low Coolant Level Sensor Connector – Reliable & Secure Fit
JML KUSTOMS
$23.08Durable Electrical Connector for Low Coolant Level SensorsEnsure accurate coolant level monitoring with this Female Low Coolant Level Sensor Connector. Designed for secure and efficient electrical connections, this connector is ideal for replacing or...$23.08 -
Square 4-Pin Wiring Harness Pigtail – Reliable Electrical Connection
JML KUSTOMS
$21.43Durable 4-Pin Pigtail for Secure Truck Wiring SolutionsEnsure a secure and efficient electrical connection with this Square 4-Pin Wiring Harness Pigtail. Designed for durability and versatility, this pigtail is perfect for various truck wiring...$21.43 -
2-Pin Female Connector Harness Crankshaft Kit – Secure & Reliable Connection
JML KUSTOMS
$16.48Durable Crankshaft Sensor Connector for Optimal PerformanceEnsure accurate engine timing and performance with this 2-Pin Female Connector Harness Crankshaft Kit. Designed for secure and stable electrical connections, this connector is ideal for replacing...$16.48 -
2-Pin Female Weather Pack Harness Connector – Secure & Weather-Resistant
JML KUSTOMS
$16.48Heavy-Duty 2-Position Connector for Reliable Electrical ConnectionsUpgrade your truck's electrical system with this 2-Pin Female Weather Pack Harness Connector. Engineered for secure, weather-resistant connections, this harness is ideal for various...$16.48 -
AC Compressor Connector Kit – Male & Female Harness for Reliable Connections
JML KUSTOMS
$21.43Durable Electrical Connector Kit for AC Compressor RepairsEnsure a secure and long-lasting electrical connection for your truck's AC compressor with this Male & Female AC Compressor Connector Kit. Designed for easy installation and dependable...$21.43 -
10.594 Inch Passenger Side Air Brake Camshaft – Replaces 2210K7499, 2210-K-7499
BESTFIT TRUCK PARTS
$84.15Durable Air Brake Camshaft for Passenger Side - Precision Engineered for Reliable PerformanceThis passenger side air brake camshaft measures 10.594 inches in length and is designed to replace OEM part numbers 2210K7499 and 2210-K-7499. It features a 1...$84.15 -
APU Box Cover Kit Stainless Steel
SOARING EAGLE
$1,049.99- Apu Box Cover Kit - Carrier Brand - Kit Includes: Top And Bottom Cover (Box Not Included) - For Comfort Pro Series Apu Boxes Only - Stainless Steel - 28.12 Inch Height - 18.375 Inch Length - 25 Inch...$1,049.99 -
Poly Motor Mount Kit for Kenworth Trucks with Cummins Engine
AUTOMANN USA
$103.99Enhance Engine Stability with Durable Polyurethane Motor MountsUpgrade your Kenworth truck's engine support system with this polyurethane motor mount kit, specifically designed for models equipped with Cummins engines. The kit includes all necessary...$103.99 -
Peterbilt Power Steering Reservoir
AUTOMANN USA
$253.33Power Steering Reservoir Replaces J86-1047-001 - Power Steering Reservoir - Includes: - (1) Base/Bracket - (1) Cover - (1) Gasket - (1) Clamp - (1) Cap - (1) Fluid Filter - Mounting Hardware Not...$253.33 -
Peterbilt 0.640 ID X 2.55 OD X 2.084 Inch Poly Rear Motor Mount
AUTOMANN USA
$31.36Poly Rear Motor Mount Fits Peterbilt - Motor Mount Bushing - Rear - Polycarbonate - 2.084 Inch Length - 2.550 Inch Outer Diameter - 0.640 Inch Inner Diameter - Sold Individually - Warranty On Motor Mount Bushings...$31.36 -
Peterbilt SPL170 Series U Joint
AUTOMANN USA
$61.08U Joint Replaces SPL170X-4X, 6-1170, US170X, 2500678C91, 2104SPL170X, SPL1703X, SPL1704X, 3947697 - Universal Joint - Spring Tab Type - Heat Treated Caps - Premium Seals - Grease Zerks Included - Prepacked With No 2...$61.08