Bosch Ignition Rotor for Porsche 928 (1978–1984)

This Bosch ignition rotor is a direct-fit distributor service part for Porsche 928 applications listed in the fitment table below. 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.

Technical Details

• Manufacturer part number: 1-234-332-177
• Type: Distributor rotor
• Cross reference: 928-602-904-03
• Function: Maintains correct spark transfer inside the distributor

Fitment & Compatibility

Use the fitment table below to confirm year and model coverage before ordering. Check trim-specific notes and compare the cleaned manufacturer part number if your car has mid-year changes.

If you want a second set of eyes on the fitment, send us your VIN. We have been handling Porsche parts and brake work for over 20 years, and we still treat fitment questions like they matter.