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2011-2021 Jeep Grand Cherokee WK2 Internal Engine Parts

2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021

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2011-2021 Jeep Grand Cherokee WK2 Internal Engine Parts

2011-2021 Jeep Grand Cherokee WK2 Aftermarket Internal Engine Parts

Delving deep into the mechanics of aftermarket automotive parts, the 2011-2021 Jeep Grand Cherokee WK2 internal engine parts are essentially grouped into main structures, motion, combustion, and auxiliary systems.

Main Structures of the Engine

Main structures encompass the engine block, built from cast iron or aluminum alloy, and the cylinder head for holding valves. These components are manufactured through casting or die casting, methods notorious for their impeccable quality standards.

Motion Related Engine Parts

Parts relating to the motion category include the crankshaft, connecting rods, pistons, camshaft, and valve train components. These elements are largely formed using forging technology, a process that enhances density and reduces internal defects. Pistons made from aluminum alloy are well-regarded for their light weight and excellent heat dissipation properties, while valve train components, such as valves, push rods, and rockers, are typically made from high-grade steel or titanium for durability.

Combustion Engine Parts

Combustion engine parts encompass fuel injectors, spark plugs, intake manifolds, and exhaust manifolds. These components form the core of power production within the engine. Consequently, a vehicle's mileage and operating conditions are significant determinants of these parts' longevity, with regular maintenance and replacement being paramount to ensure optimal performance. Spark plugs can retard fuel economy if worn or damaged, while fuel injectors assure precise fuel delivery and contribute to efficient combustion.

Auxiliary Engine Parts

The auxiliary engine parts include the oil pump, water pump, timing belt or chain, and the seals and gaskets that fasten the engine's myriad components. These parts are subjected to continual wear and tear, and as such, their quality directly impacts the overall lifespan of the engine. They are typically manufactured with robust materials such as special plastics, metallic alloys, or complex composites.

Choosing Compatible Aftermarket Parts

Choosing compatible aftermarket parts is crucial for maintaining and enhancing a vehicle's performance. Factors such as car age and mileage play substantial roles in decision-making, as older vehicles might require parts that compensate for accrued system tolerances. Furthermore, performance enthusiasts often upgrade multiple related parts simultaneously, such as intake manifolds and fuel injectors, or camshafts and valve train components, for an overall upgrade in engine output.

Quality and Installation of Aftermarket Parts

Performance characteristics of these parts depend largely on quality manufacturing, adherence to industry standards, and correct installation. The Society of Automotive Engineers (SAE) provides guidelines for reliability and performance, ensuring that aftermarket parts match or surpass original factory specifications.

Fitment Includes:

  • 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 and 2021 Jeep Grand Cherokee
  • Laredo, Limited, Tsi, Overland Summit, Overland, Summit, 75th Anniversary Edition, SRT8, SRT, Trailhawk, Altitude, High Altitude, Trackhawk, Limited X, Upland, 80th Anniversary, Laredo E, Laredo X

*Please see product pages for any exceptions.