ZANETOL Piston Ring Auto Parts are designed for use with TOWN & COUNTRY models from 2001 to 2010 and AVENGER models from 2008 to 2010.These replacement piston rings are engineered to fit OEM specifications 4897035AA, 4773023, 68001386AA, 2M4890S010, 2M4890S020, 2M4890S030, and 2M4890S040, proper compatibility and function within the engine system. Constructed from aluminum, these piston rings are built to support engine by maintaining compression and reducing oil consumption.The design focuses on and resistance to wear under normal operating conditions.Intended for both professional and DIY installations, the rings require no modifications for fitment, allowing for direct replacement of worn or damaged components. This part falls under the category of engine internals, specifically within pistons, rings, rods, and related components.The construction supports consistent sealing , contributing to overall engine health and efficiency when installed correctly. This is not an part.All brand mentions are used strictly for compatibility reference.