WESPC 4181A022 piston ring kit for Perkins 1004 and 1006 series diesel engines Brand Name WESPC Place of Origin China Part Number 4181A022 After-sales Service Provided Video Technical Support, Online Support Marketing Type Ordinary Product Certificate ISO9001 Warranty 1 Year Stock Yes Application WESPC 4181A022 piston ring kit for Perkins 1004 and 1006 series diesel engines. Commonly used in Perkins-powered generator sets, agricultural tractors, and construction machinery.