MAHLE 224-3163WR.020 Engine Piston with Rings .020 Oversize 7.3L Powerstroke

The MAHLE 224-3163WR.020 is a premium OE-quality engine piston designed for 1994-2003 Ford 7.3L Powerstroke diesel engines requiring a .020 inch oversize rebuild. Engineered to stringent Original Equipment specifications, this piston assembly delivers the precise fit and durability needed for professional engine rebuilds.

Key Specifications:

• Oversize: .020 inch (.508mm) overbore
• Bore diameter: 4.130 inches (104.902mm)
• Piston style: Dish design with trough
• Non-coated skirt construction
• Includes RBT-10 ring pack (0.172 in thickness, 0.078 in width)
• Material: Eutectic aluminum alloy (12% silicon)
• Rod length: 7.130 inches
• Stroke: 4.180 inches

MAHLE Original Features:

• Compensated ring grooves ensure proper ring loading and oil control
• Expansion-controlled design allows for tight fitting clearances, reducing engine noise, wear, and emissions
• Pin offset design minimizes engine noise
• Lightweight construction reduces reciprocating mass by up to 15% without sacrificing reliability
• Standard compression ratio for reliable power output

MAHLE Original pistons are built to withstand the extreme pressures of modern diesel engines. The proven eutectic aluminum alloy has demonstrated exceptional performance in millions of high-output diesel engines worldwide. This piston assembly provides the quality and reliability that professional technicians demand for critical Powerstroke engine rebuilds.

Important: Sold individually. Full set of eight (8) pistons required for complete engine rebuild. Requires proper engine block machining to .020 inch overbore specification. Always verify piston-to-wall clearance and ring end-gaps during installation.