MAHLE 224-3485WR.020 OE Replacement Engine Piston Set with Rings Oversize - 020

The MAHLE 224-3485WR.020 is a complete OE replacement engine piston set precision-engineered for engines requiring a 0.020" oversize bore. Produced by one of the world's foremost OE piston manufacturers, this set delivers the same form, fit, and function as the original factory pistons, making it an ideal choice for professional engine rebuilders and experienced DIY mechanics alike.

The "WR" designation indicates that piston rings are pre-mounted and included with each piston, providing a complete, ready-to-install assembly. Each piston is manufactured to stringent OE tolerances, ensuring consistent fitment and reliable long-term performance across the full set.

Key Features:

• 0.020" Oversize (.020") — designed for use after cylinder boring to restore proper piston-to-wall clearance
• Rings Included (WR) — complete piston and ring assemblies ready for installation
• Compensated ring grooves — ensure proper ring loading and consistent oil control
• Expansion-controlled design — maintains tight fitting clearances to minimize engine noise, wear, and emissions
• OE-quality construction — manufactured to original equipment specifications for precise fit and function
• Sold as a complete engine set — balanced pistons packaged together for matched performance

MAHLE is a globally recognized leader in OE piston manufacturing, supplying major automakers and engine builders worldwide. The MAHLE Original line brings that same OE engineering expertise to the aftermarket, offering a dependable solution for engine overhaul and rebuild applications.