MAHLE 42188.020 Engine Piston Ring Set Oversize - 020

The MAHLE 42188.020 is an engine piston ring set manufactured to OEM-equivalent specifications, designed as a reliable replacement for worn or damaged piston rings during engine rebuilds and overhauls. The .020" oversize designation makes this set suitable for use in bores that have been machined or honed to the first standard oversize.

MAHLE is a globally recognized OEM supplier of engine components, and their piston ring sets are engineered to meet or exceed original equipment tolerances for proper sealing, oil control, and compression retention.

Key Features:

• First oversize (+.020") for use in re-bored or honed cylinders
• Complete ring set includes compression rings and oil control rings
• Manufactured to OEM-equivalent dimensional tolerances and surface finish specifications
• Engineered for proper radial and axial clearances to ensure effective combustion sealing
• Durable ring materials designed to withstand high cylinder temperatures and pressures
• MAHLE OEM-level quality — a trusted name in original equipment engine components worldwide

This piston ring set is ideal for engine rebuilders and professional technicians performing a complete engine overhaul. Always measure cylinder bore diameter and verify oversize before installation to ensure proper fit and performance.