Bosch Distributor Rotor – 04187

• Box Label: 04187

• Cross-Reference: Replaces 1 234 332 391

• Made in Spain

• OEM round base style with two mounting screws

This is a heavier duty Bosch rotor style used on certain European cars that bolt onto the distributor shaft instead of just sliding on.

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🚗 Most Common Vehicle Fitment

This rotor style is seen on:

Mercedes-Benz (most likely fitment)

• 1970s–1980s carbureted & early fuel injected engines with Bosch ignition

• Early 280 / 300 series inline-6

• Some 380 / 420 V8 distributors depending on ignition system

BMW (classic models)

• Early E21/E28/E30 with bolt-on style rotors (not the slip-fit version)

Volkswagen / Audi (less common)

• Certain older models with bolt-down Bosch distributor rotors

📌 Exact match depends on the distributor number stamped on the metal housing of the car’s distributor.

BOX 10