Spark plug · General Motors

Equivalents for the General Motors spark plug B111

Meet the General Motors B111 spark plug — reach 15.2–19.0 mm, heat range medium. 180 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…

Technical information General Motors B111 spark plug

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180 equivalents compatible with the General Motors B111 spark plug

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What can replace a General Motors B111 spark plug?

The General Motors B111 is interchangeable with: Bosch CH215, Champion W803, Denso G144, Bosch GLP031, Champion CH215, Champion GX124. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the General Motors B111?

Reach 15.2–19.0 mm, Heat range Medium, Resistor no, Seat Flat (gasket)

Cross-references and specifications are provided for guidance only. The wrench size can vary by brand, and some data is inferred from the plug code or an equivalent reference. Always check the vehicle manufacturer's recommendation before buying and fitting.