Piston Ring Kits 8-98017166-0 8980171660 898017-1660 Compatible with Engine 4HK1 6HK1 Compatible with Excavator This piston ring kit is designed for use with 4HK1 and 6HK1 engines.It includes all necessary components for a complete piston ring replacement.The kit is compatible with specific excavator models that utilize these engine types.Each part is manufactured to meet specifications for proper fit and function.The set contains multiple rings per cylinder, including compression and oil control rings.This assembly helps maintain engine compression, reduce oil consumption, and support efficient combustion.Installation requires standard mechanical tools and knowledge of engine rebuilding procedures. Compatibility Disclaimer: This is not an OEM item.Mentioned brands/models are used strictly for fitment illustration.