MAHLE Piston and Cylinder for Porsche 911 (1989–1994)

MAHLE Piston and Cylinder for Porsche 911 (1989–1994)

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This MAHLE piston and cylinder (part number 503 99 94) is a matched piston-and-cylinder assembly supplied as a pair so bore and piston clearance stay correct on Porsche 911 applications listed in the fitment table below. MAHLE built its reputation on piston and filtration engineering over more than a century and supplies these parts at OE quality across European applications.

Technical Details

  • Manufacturer part number: 503 99 94
  • Part type: Piston and Cylinder
  • Vehicle system: engine cylinder assembly

Fitment & Compatibility

Use the fitment table below to confirm year, make, model, submodel, and any application notes before ordering.

With over 20 years working on Porsche cars, PMB Performance can help you match this part to your application. Reach out with your VIN if you want it confirmed first.

Year Make Model Submodel Notes
1990 Porsche 911
1991 Porsche 911 Carrera 2
1991 Porsche 911 Carrera 2
1992 Porsche 911 Carrera 2
1993 Porsche 911 Carrera 2
1994 Porsche 911 Carrera 2
1989 Porsche 911 Carrera 4
1991 Porsche 911 Carrera 4
1992 Porsche 911 Carrera 4
1993 Porsche 911 Carrera 4
1994 Porsche 911 Carrera 4
1993 Porsche 911 RS America
1994 Porsche 911 RS America
1994 Porsche 911 Speedster