Bosch Ignition Rotor for Porsche 924/944 (1983–1989)

This Bosch Ignition Rotor is a direct-fit replacement for Porsche 924 and 944 applications listed in the fitment table below. It transfers ignition voltage from the distributor cap to the correct cylinder as the distributor shaft turns. Bosch has been a global leader in automotive technology since 1886, pioneering innovations like electronic fuel injection and oxygen (lambda) sensors that shaped modern engine management. Today, Bosch supplies OEM-quality sensors, engine electronics, ignition components, and braking parts found in vehicles worldwide. Known for precision engineering and reliable performance, Bosch parts are built to factory specifications for dependable fitment and long-term durability.

A worn rotor can cause hard starting, misfire, weak spark, or erratic ignition performance. Replacing it during cap-and-rotor service helps restore consistent spark delivery.

Technical Details

• Manufacturer part number: 1-234-332-333
• Part type: Ignition rotor
• Common Bosch cross reference for distributor service on 924 and 944 applications
• Commonly linked to Porsche OE references 94460290600 / 94460290601

Fitment & Compatibility

Use the fitment table below to confirm year and submodel coverage across 924 and 944 applications, including late 944 Turbo and Turbo S listings.

If you need help sorting out the correct part for your Porsche, send us your VIN. We have been helping Porsche owners and shops with fitment questions for over 20 years, and the small details still matter because they do.