Mahle 50514CP.020 Engine Piston Ring Set

Mahle 50514CP.020 Piston Ring Set

The Mahle 50514CP.020 engine piston ring set is built for 3.895-inch bore applications with a 0.020-inch oversize specification. It combines cast iron top and second rings with a stainless steel oil ring assembly to support controlled oil use, reduced friction, and consistent sealing in rebuilt engines.

• Part number: 50514CP.020
• 3.895-inch bore diameter
• 0.020-inch oversize piston ring set
• Top ring material: cast iron, 0.0781 in axial height
• Second ring material: cast iron, 0.0781 in axial height
• Oil ring assembly material: stainless steel, 0.1875 in axial height
• Standard grade
• Non-coated ring face

OE-Style Ring Design

Mahle develops piston rings around OE requirements, focusing on lower friction, reduced ring mass, and oil control without sacrificing service life. The 50514CP.020 follows that approach with a standard-grade construction and ring dimensions suited to engines that need a 0.020-inch oversize bore setup. This part cross-references Hastings Piston Rings 667020 and Sealed Power E234X20 for the same application.

Vehicle Fitment

• Fits 1987-1995 Jeep Cherokee, N/A
• Fits 1993-1995 Jeep Grand Cherokee, N/A
• Fits 1991-1995 Jeep Wrangler, N/A
• Fits 1987-1992 Jeep Comanche, N/A
• Fits 1987-1990 Jeep Wagoneer, N/A
• Fits 1982 Pontiac Grand LeMans, N/A
• Fits 1977 Pontiac Grand LeMans, N/A
• Fits 1977-1979 Pontiac Catalina, N/A
• Fits 1977-1979 Pontiac Laurentian, N/A
• Fits 1966-1969 Pontiac Laurentian, N/A
• Fits 1977-1979 Pontiac Parisienne, N/A
• Fits 1966-1970 Pontiac Parisienne, N/A
• Fits 1977 Pontiac LeMans, N/A
• Fits 1966-1974 Pontiac LeMans, N/A
• Fits 1973-1975 Chevrolet Malibu, N/A
• Fits 1964-1967 Chevrolet Malibu, N/A
• Fits 1969-1975 Chevrolet Nova, N/A
• Fits 1969-1974 Chevrolet Blazer, N/A
• Fits 1967-1974 Chevrolet C10 Suburban, N/A
• Fits 1967-1974 Chevrolet C20 Suburban, N/A
• Fits 1967-1974 Chevrolet Camaro, N/A
• Fits 1964-1974 Chevrolet El Camino, N/A
• Fits 1967-1974 Chevrolet K10 Suburban, N/A
• Fits 1967-1974 Chevrolet K20 Suburban, N/A
• Fits 1967-1974 GMC G15/G1500 Van, N/A
• Fits 1967-1974 GMC G25/G2500 Van, N/A
• Fits 1970-1974 GMC G35/G3500 Van, N/A
• Fits 1970-1974 GMC Jimmy, N/A
• Fits 1973-1974 Oldsmobile Omega, N/A
• Fits 1967-1974 Pontiac Firebird, N/A
• Fits 1963-1973 Chevrolet Bel Air, N/A
• Fits 1963-1973 Chevrolet Impala, N/A
• Fits 1968-1971 Buick Skylark, N/A
• Fits 1971 Chevrolet Caprice, N/A
• Fits 1967-1969 Chevrolet Caprice, N/A
• Fits 1967-1971 Oldsmobile Cutlass, N/A
• Fits 1964-1971 Pontiac Acadian, N/A
• Fits 1968-1970 Pontiac Tempest, N/A
• Fits 1964-1966 GMC G1000 Series, N/A

Common Repair Uses

• Restoring cylinder sealing during an engine rebuild
• Addressing oil consumption caused by worn piston rings
• Improving compression retention in high-mileage engines
• Replacing damaged or worn rings after bore service
• Supporting proper ring function in 0.020-inch oversize applications

Installation Notes

Verify bore size, ring end gap, and groove dimensions before installation. This set is specified for a 3.895-inch bore with a 0.020-inch oversize configuration, so cylinder machining and piston measurements should match the engine build. Clean ring lands thoroughly and follow the engine builder’s ring gap procedure for the application.

Quality Assurance

Mahle piston rings are engineered to meet OE-driven performance targets for friction control, oil management, and service life. The 50514CP.020 reflects that design focus with standard-grade materials and application-specific dimensions for rebuild work.