TRW Engine Exhaust Valve for VW Vanagon/Porsche 914 (1970–1983)

This TRW exhaust valve is a direct-fit valvetrain component for the Porsche and Volkswagen applications listed below. It works at the engine cylinder head and must match the engine family, valve dimensions, and cylinder-head specification.

TRW replacement valvetrain parts are specified around measurable engine requirements, including valve type, head diameter, and the cylinder-head application.

Technical Details

• Manufacturer part number: 33012
• Brand: TRW
• Valve type: Exhaust
• Valve head diameter: 33 mm
• Installation area: Cylinder head valvetrain
• Sold individually

Fitment & Compatibility

Confirm engine configuration, valve dimensions, and model year before installation. Match the vehicle to the fitment table below, including model year, submodel, position, and listed exclusions.

When two applications appear similar, contact PMB Performance with the VIN and system details. Our Porsche parts experience spans more than two decades.