Equivalents for the General Motors spark plug B109
General Motors B109, a spark plug with heat range medium, reach 15.2–19.0 mm. Here are its 103 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
Technical information General Motors B109 spark plug
- Resistor
- no
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What can replace a General Motors B109 spark plug?
The General Motors B109 is interchangeable with: Bosch CH222, Champion W430, Denso G122, Bosch GLP007, Champion CH222, Champion CH269. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the General Motors B109?
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.