MAHLE 224-3885-0.25MM Engine Piston Set - 0.25mm Oversize OE Replacement

The MAHLE 224-3885-0.25MM Engine Piston Set is a precision-engineered, OE-quality replacement piston set provided in a 0.25mm oversize specification for engines requiring a slight bore overhaul. As one of the world's largest OE piston manufacturers, MAHLE brings the same engineering standards found in original factory assemblies directly to the aftermarket.

Key Features:

• OE Form, Fit, and Function: Precision machined to tight tolerances, these pistons are designed to meet or exceed original equipment specifications for reliable, long-lasting performance.
• GRAFAL® Anti-Friction Skirt Coating: MAHLE's proprietary graphite-impregnated resin coating reduces skirt friction, minimizes scuffing, and extends cylinder bore life.
• Compensated Ring Grooves: Engineered to ensure proper ring loading and consistent oil control throughout the piston's service life.
• Expansion-Controlled Design: Tight fitting clearances reduce engine noise, minimize wear, lower emissions, and improve oil control.
• Phosphate Coating: Applied to pin bores and ring grooves to protect against micro-welding and galling during initial engine startup and break-in.
• Lightweight Construction: Reduces reciprocating mass without sacrificing durability, resulting in lower bearing loads, smoother engine operation, and improved throttle response.
• Ready for Installation: Set includes pistons with mounted piston rings, wrist pins, and retaining clips — everything the engine builder needs in one package.

MAHLE's deep expertise in piston development and production is rooted in international engineering collaboration and state-of-the-art manufacturing methods. These pistons are the trusted choice for professional engine builders seeking a direct OE replacement with the quality and consistency to match.