Semi Truck Engine

Semi Truck Engine
  • Dorman® - TECHoice™ Regular Idler Pulley
    Dorman® - TECHoice™ Regular Idler Pulley (419-604)
    3
    # mpn2337936
    TECHoice™ Regular Idler Pulley (419-604) by Dorman®. This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models,...
    Direct replacement - this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehiclesRestores performance - fixes a failed, squealing or groaning noise from a worn idler pulley
    $17.89
    In Stock - Ships within 24 hrs
  • Dorman® - TECHoice™ Regular Idler Pulley
    Dorman® - TECHoice™ Regular Idler Pulley (419-616)
    3
    # mpn2335601
    TECHoice™ Regular Idler Pulley (419-616) by Dorman®. This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models,...
    Direct replacement - this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehiclesRestores performance - fixes a failed, squealing or groaning noise from a worn idler pulley
    $20.68
    In Stock - Ships within 24 hrs
  • Dorman® - TECHoice™ Regular Idler Pulley
    Dorman® - TECHoice™ Regular Idler Pulley (419-603)
    3
    # mpn2335596
    TECHoice™ Regular Idler Pulley (419-603) by Dorman®. This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models,...
    Direct replacement - this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehiclesRestores performance - fixes a failed, squealing or groaning noise from a worn idler pulley
    $17.42
    In Stock - Ships within 24 hrs
  • Dorman® - TECHoice™ Regular Idler Pulley
    Dorman® - TECHoice™ Regular Idler Pulley (419-602)
    3
    # mpn2335595
    TECHoice™ Regular Idler Pulley (419-602) by Dorman®. This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models,...
    Direct replacement - this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehiclesRestores performance - fixes a failed, squealing or groaning noise from a worn idler pulley
    $20.91
    In Stock - Ships within 24 hrs
  • Goodyear Belts® - Drive Belt Idler Pulley
    Goodyear Belts® - Drive Belt Idler Pulley (57674)
    0
    # mpn4888938619
    Drive Belt Idler Pulley (57674) by Goodyear Belts®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your...
    Made with precision and quality in mindDesigned to meet your specific needs
    $26.64
    In Stock - Ships within 24 hrs
  • Goodyear Belts® - Drive Belt Idler Pulley
    Goodyear Belts® - Drive Belt Idler Pulley (57102)
    0
    # mpn4888938539
    Drive Belt Idler Pulley (57102) by Goodyear Belts®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your...
    Made with precision and quality in mindDesigned to meet your specific needs
    $14.85
    In Stock - Ships within 24 hrs
  • Goodyear Belts® - Drive Belt Idler Pulley
    Goodyear Belts® - Drive Belt Idler Pulley (57562)
    0
    # mpn4888938537
    Drive Belt Idler Pulley (57562) by Goodyear Belts®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your...
    Made with precision and quality in mindDesigned to meet your specific needs
    $14.89
    In Stock - Ships within 24 hrs
  • Goodyear Belts® - Drive Belt Idler Pulley
    Goodyear Belts® - Drive Belt Idler Pulley (57101)
    0
    # mpn4888938526
    Drive Belt Idler Pulley (57101) by Goodyear Belts®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your...
    Made with precision and quality in mindDesigned to meet your specific needs
    $17.54
    In Stock - Ships within 24 hrs
  • Goodyear Belts® - Drive Belt Tensioner
    Goodyear Belts® - Drive Belt Tensioner (55101)
    0
    # mpn4888938710
    Drive Belt Tensioner (55101) by Goodyear Belts®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your...
    Made with precision and quality in mindDesigned to meet your specific needs
    $39.15
    In Stock - Ships within 24 hrs
  • Goodyear Belts® - Drive Belt Tensioner
    Goodyear Belts® - Drive Belt Tensioner (55100)
    0
    # mpn4888938605
    Drive Belt Tensioner (55100) by Goodyear Belts®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your...
    Made with precision and quality in mindDesigned to meet your specific needs
    $38.72
    In Stock - Ships within 24 hrs
  • Goodyear Belts® - Drive Belt Tensioner
    Goodyear Belts® - Drive Belt Tensioner (55417)
    0
    # mpn4888938602
    Drive Belt Tensioner (55417) by Goodyear Belts®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your...
    Made with precision and quality in mindDesigned to meet your specific needs
    $35.47
    In Stock - Ships within 24 hrs
  • Goodyear Belts® - Passenger Side Drive Belt Idler Pulley
    Goodyear Belts® - Passenger Side Drive Belt Idler Pulley (57100)
    0
    # mpn4888938521
    Passenger Side Drive Belt Idler Pulley (57100) by Goodyear Belts®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It...
    Made with precision and quality in mindDesigned to meet your specific needs
    $20.40
    In Stock - Ships within 24 hrs
  • PAI® - Accessory Drive
    PAI® - Accessory Drive (680370)
    0
    # mpn4696833504
    Accessory Drive (680370) by PAI®. Sold Individually. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    With 34 tooth Helical Drive Gear for 12.7L engine2 Years Warranty
    $1,189.68
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Camshaft Bearing
    PAI® - Camshaft Bearing (151506)
    0
    # mpn4696833478
    Camshaft Bearing (151506) by PAI®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $12.26
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Camshaft Bearing Kit
    PAI® - Camshaft Bearing Kit (651520)
    0
    # mpn4696833904
    Camshaft Bearing Kit (651520) by PAI®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $13.56
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Camshaft Bearing Kit
    PAI® - Camshaft Bearing Kit (351565)
    0
    # mpn4696833473
    Camshaft Bearing Kit (351565) by PAI®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $260.36
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Camshaft Position Sensor
    PAI® - Camshaft Position Sensor (450649)
    0
    # mpn4696833804
    Camshaft Position Sensor by PAI®. Designed utilizing the latest technology, this product by PAI features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
    Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability
    $72.79
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Camshaft Position Sensor
    PAI® - Camshaft Position Sensor (050695)
    0
    # mpn4696833517
    Camshaft Position Sensor by PAI®. Designed utilizing the latest technology, this product by PAI features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
    Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability
    $38.27
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Compressor Mounting Gasket
    PAI® - Compressor Mounting Gasket (131704)
    0
    # mpn4696833617
    Compressor Mounting Gasket (131704) by PAI®. Sold Individually. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....
    2 Years WarrantyPerfect blend of leading innovations and superior workmanship
    $11.20
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Compressor Mounting Gaskets
    PAI® - Compressor Mounting Gaskets (331311)
    0
    # mpn4696833475
    Compressor Mounting Gaskets (331311) by PAI®. 5 Pieces. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...
    2 Years WarrantyPerfect blend of leading innovations and superior workmanship
    $20.87
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Connecting Rod Bearing
    PAI® - Connecting Rod Bearing (8330-P1)
    0
    # mpn4696834439
    Connecting Rod Bearing (8330-P1) by PAI®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability
    $17.55
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Connecting Rod Bearing
    PAI® - Connecting Rod Bearing (370015)
    0
    # mpn4696833761
    Connecting Rod Bearing (370015) by PAI®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability
    $28.14
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Connecting Rod Bearing Set
    PAI® - Connecting Rod Bearing Set (171784)
    0
    # mpn4696835072
    Connecting Rod Bearing Set by PAI®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability
    $13.44
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Crankshaft Position Sensor
    PAI® - Crankshaft Position Sensor (050696)
    0
    # mpn4696833523
    Crankshaft Position Sensor by PAI®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability
    $89.31
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Crankshaft Position Sensor
    PAI® - Crankshaft Position Sensor (650667)
    0
    # mpn4696833444
    Crankshaft Position Sensor (650667) by PAI®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability
    $29.43
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Crankshaft Seal
    PAI® - Crankshaft Seal (621230)
    0
    # mpn4696833507
    Crankshaft Seal (621230) by PAI®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability
    $36.49
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Crankshaft Seal
    PAI® - Crankshaft Seal (136139)
    0
    # mpn4696833435
    Crankshaft Seal (136139) by PAI®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability
    $80.93
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Crankshaft Seal
    PAI® - Crankshaft Seal (436015)
    0
    # mpn1579009521
    Crankshaft Seal (436015) by PAI®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability
    $35.15
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Crankshaft Seal
    PAI® - Crankshaft Seal (3800)
    0
    # mpn1579009479
    Crankshaft Seal (3800) by PAI®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability
    $87.46
    In Stock - Ships in 24 to 48 hrs
  • PAI® - Crankshaft Seal
    PAI® - Crankshaft Seal (136001)
    0
    # mpn1579009288
    Crankshaft Seal (136001) by PAI®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
    Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability
    $12.58
    In Stock - Ships in 24 to 48 hrs




To travel long distances while pulling a trailer that can weigh close to 80,000 lbs, your big rig needs an extremely powerful and reliable engine. Since the reliability of any system is determined by its weakest link, each and every replacement engine part you purchase should be of the highest quality. To cover your needs for best-in-class semi truck replacement engine parts, we have gathered them on our digital shelves. Regardless of the product you are looking for, whether it is a set of piston rings or a replacement engine head, we have the right option at an affordable price.

The engine of your semi truck must produce enough horsepower and torque to be able to move huge loads across the country day in and day out. Each year, you may cover up to 50,000 miles in your big rig or even more. It means that sooner or later some components and systems of your engine will require maintenance or repair. On the digital shelves of our online store, you can find a huge assortment of parts, rebuild kits, and complete semi truck engine assemblies that you may need to keep your machine on the road hauling cargo and making you money.

Since semi trucks need a lot of torque on low RPMs to be able to pull heavy loads with decent fuel mileage, almost all big rigs today run on diesel. You can increase the output of your powerplant significantly by adding a turbocharger or supercharger. Such a unit pumps more air into the engine thus allowing for adding more fuel to the mixture. The difference is that a turbocharger is actuated by a turbine propelled by the exhaust gases flow, hence the name, while a supercharger uses the engine power receiving it from the crankshaft through the pulley system.

Intercoolers are designed for further improvement of turbocharged and supercharged engine efficiency by cooling down intake air thus increasing its charge density. Increased airflow improves combustion, increases horsepower and torque. In our store, you can find a huge assortment of aftermarket intercoolers and all required hoses, clamps, and couplings. We offer a wide variety of top-notch engine blocks, including bare blocks, expansion plug kits, engine block heaters, and other related parts. Browse our extensive catalogs of crankshafts, camshafts, valvetrain parts, and more to find all of the needed components, such as seals, gaskets, and bearings.

All semi trucks work much harder than other types of vehicles which means they are subject to accelerated wear and tear and must be maintained properly to serve you for many years to come. The problems with your semi truck’s engine can have severe consequences. Too much smoke coming out of the exhaust pipes, reduced oil pressure, or loss of power are all signs of engine malfunctions. It is essential to carry out regular engine compression tests and provide timely maintenance to avoid more expensive repairs. Don’t forget to change the oil regularly to prolong the service life of your engine and reduce the chance of failure.

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