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Porsche® 944/964 Billet Diverter Valve, 1986-1994

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Porsche® 944/964 Billet Diverter Valve, 1986-1994

Porsche® 944/964 Billet Diverter Valve, 1986-1994

Part #: P915503
$129.99 ea.
Ships direct from manufacturer. Allow additional time for delivery.
1986 thru 1994
See applications below for exact details.

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  • Precision CNC Machined 6061 Billet Aluminum
  • 90° Swivel Vacuum Port For Easier Installation
  • Easy Direct Replacement Kit


The original equipment valves typically wear out causing poor performance and drivability problems.

For airflow metered cars, the function of the valve is to redirect excess boost pressure into the intake side of the engine.

These replacement valves are designed to handle elevated boost pressure levels for modified or unmodified vehicles.

For vehicles not equipped with airflow meters, the valves can simply be used to blow off excess boost pressure.

Single turbo cars require one valve, while twin turbo vehicles require two.

Priced each.


Make / Model Series Body Notes Year
PORSCHE 911 (964) TURBO 1990, 1991, 1992, 1993, 1994
PORSCHE 944 TURBO 1986, 1987, 1988, 1989