Cylinder head bolt 6508858AA

Description

Cylinder head bolt by CHRYSLER, catalog number 6508858AA. Confirmed catalog fitment: Jeep CHEROKEE KL (2014–2023). For an accurate match, compare the number and identification with the removed part and confirm the vehicle specification by VIN. The fitment list is a reference and does not replace a vehicle-specific compatibility check.

CYLINDER HEAD BOLT. The cylinder head bolt is a critical high-strength fastener used to secure the cylinder head to the engine block and maintain a sealed connection between the combustion chamber, lubrication channels and cooling passages. These bolts operate under extreme thermal and mechanical stress and are manufactured from hardened alloy steel with precise heat treatment and corrosion-resistant coating. Most modern engines use torque-to-yield bolts that stretch slightly during tightening to ensure even clamping force across the cylinder head gasket. Proper bolt condition and installation are essential for maintaining engine compression, cooling system integrity and combustion chamber sealing. Failure may result in coolant leaks, loss of compression, engine overheating or head gasket failure. Our catalog includes genuine OEM cylinder head bolts and quality aftermarket replacements for various engine types. Selection is based on VIN number, engine specification and part number. Correct installation requires strict adherence to tightening torque and sequence specified by the manufacturer. Timely replacement ensures reliable engine sealing and long-term engine performance.

Compatibility

Fits 1 vehicles

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About the manufacturer · CHRYSLER

Chrysler is an American automotive brand and manufacturer of vehicle components founded in 1925 by engineer and entrepreneur Walter Chrysler. Today the company is part of the international automotive group Stellantis and...

Chrysler is an American automotive brand and manufacturer of vehicle components founded in 1925 by engineer and entrepreneur Walter Chrysler. Today the company is part of the international automotive group Stellantis and remains a well‑known manufacturer of vehicles and genuine spare parts for Chrysler, Dodge, Jeep and RAM models. Under the Chrysler brand a wide range of original automotive parts is produced, including engine components, suspension parts, braking systems, transmission elements, electronic modules, body parts and various service and maintenance items. Genuine Chrysler parts are manufactured according to strict factory specifications and engineering standards defined by the vehicle manufacturer, ensuring precise fitment and full compatibility with the vehicles they are designed for. These components are developed and tested to meet durability, safety and performance requirements during long‑term vehicle operation. According to feedback from car owners and automotive repair specialists, Chrysler genuine parts are valued for their reliability, good durability and accurate installation without the need for modifications. Many users report stable vehicle performance and long service intervals when using original components. The most commonly mentioned drawback in reviews is the relatively higher price compared with many aftermarket alternatives, however many drivers consider the cost justified because of the quality, reliability and long service life of the parts.

Additional information

Cylinder head bolt by CHRYSLER, catalog number 6508858AA, is listed for vehicle repair or maintenance. The catalog identifies the item as “Cylinder head bolt”. Confirmed catalog fitment: Jeep CHEROKEE KL (2014–2023). Fitment is based on the catalog links between the part and vehicle bodies. It helps narrow the search, but final compatibility must be confirmed for the exact vehicle specification. The primary ordering references are part number 6508858AA and manufacturer CHRYSLER. Parts can differ within the same vehicle model by production year, engine, transmission, installation side, or position. Before purchase, compare the number and identification with the removed component and verify body, year, and specification by VIN. Also compare appearance, connectors, mountings, dimensions, and included items whenever those details are relevant to this part. Before purchase, compare identification and appearance with the old part and verify compatibility by VIN.

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