Bosch 4D0-905-351 Ignition Control Module

The Bosch 4D0-905-351 Ignition Control Module is an OEM-quality electronic control unit that manages ignition timing and spark distribution in select Audi and Volkswagen vehicles. Also known by Bosch part number 0227100211, this module serves as a critical component in the ignition system, controlling electrical signals to ensure proper ignition timing for optimal engine performance and reliable starts.

Key Features:

• Four-channel ignition control module designed for four-cylinder applications
• Processes signals from hall sensors or crankshaft position sensors to fire spark plugs
• Direct-fit OEM replacement ensuring precise compatibility and fitment
• Manufactured by Bosch to original equipment specifications
• Handles up to 5 amps of coil primary current per channel
• Essential for proper ignition system operation and engine management communication

This ignition control module interfaces between the engine control unit (ECU) and the ignition coils, receiving sensor input and triggering the spark plugs at precisely the right moment. When this component fails, it can prevent the vehicle from starting or cause misfiring, rough idle, and poor engine performance. The Bosch 4D0-905-351 provides a reliable OEM-quality solution for restoring proper ignition system function.

Cross-Reference Numbers: 0227100211, 0 227 100 211, 4D0 905 351, 4D0905351