Hydraulic Engine Lifter

This component, part number 53021720AB, requires a quantity of four for installation. This part is compatible with a range of Chrysler, Dodge, and Jeep models from 2005 to 2008, specifically those equipped with 6.1L Hemi engines (such as the Chrysler 300, Dodge Charger, Dodge Magnum, and Jeep Grand Cherokee) and certain 5.7L Hemi engines in the Dodge Ram 2500 and 3500. Installation may involve specific procedures for removing and inspecting related components like rocker arms and lash adjusters. While a universal shaft-type valve spring compressor is recommended, alternative methods requiring significant engine disassembly exist. It is advised to keep rocker arms and lash adjusters labeled and separate for reinstallation in their original positions. Ensure lash adjusters are at least partially filled with oil before installation for proper function. This part number, 53021720AB, is also noted as being replaced by part number 5038784AD and is compatible with engines such as the 5.7L V8 Hemi CNG, 5.7L V8 Hemi VVT, 6.2L Supercharged Hemi V8 SRT, 6.2L V8 Supercharged HO, and 6.4L V8 SRT Hemi, along with the 6-speed automatic 66RFE transmission.