Bosch 000-156-81-01 Ignition Condenser

The Bosch 000-156-81-01 is a precision-engineered ignition condenser designed for classic points-type distributor systems. This critical ignition component plays a dual role in optimizing engine performance by preventing arcing across the contact breaker points and ensuring proper spark generation at the plugs.

Key Features:

• Genuine Bosch quality construction for reliable performance
• Prevents point erosion and burning by absorbing voltage spikes when points open
• Aids in rapid magnetic field collapse for stronger spark generation
• Designed for classic Mercedes-Benz and other European vehicles with points ignition
• Replaces OEM part numbers including 1-237-330-067 and A0001568101

In points-type ignition systems, the condenser (capacitor) is connected across the distributor contact points. When the points open to interrupt the ignition coil current, the condenser absorbs the voltage spike generated by the collapsing magnetic field in the primary coil. This prevents electrical arcing that would otherwise rapidly erode the contact points, extending their service life. The condenser also enables faster magnetic field collapse, which helps generate the high-voltage spark needed at the plugs. Without a properly functioning condenser, engine performance will suffer significantly or the engine may not run at all.

This Bosch condenser is commonly used in vintage Mercedes-Benz models from the 1950s through early 1970s, as well as BMW, Porsche, Volkswagen, and Volvo vehicles equipped with points-style distributors. Always replace the condenser when installing new points to ensure optimal ignition system performance.