This distributor cap is fitted to the top of the distributor housing in the engine bay. It acts as a cover for the rotor and provides the contact points to send high-voltage sparks to the correct spark plug leads, ensuring the engine's cylinders fire in the correct sequence. Replacement is necessary when the original cap becomes worn, cracked, or when the internal metal terminals corrode from heat and electrical arcing.
Ignoring a faulty distributor cap can lead to a variety of engine performance problems. You may experience rough idling, engine misfires, hesitation upon acceleration, poor fuel economy, and difficulty starting the vehicle. In a worst-case scenario, a complete failure of the cap can prevent the engine from starting at all, leaving you stranded.
TB42 EFI motor ones are also available on our website part number GM813.
This part has been designed to fit
Please check vehicle fitment to confirm compatibility with your vehicle. Please contact us with your VIN details if you require further assistance to confirm fitment.
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