Equivalents for the General Motors spark plug B089
The General Motors B089 spark plug — reach 15.2–19.0 mm, heat range medium. All its 305 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
Technical information General Motors B089 spark plug
- Resistor
- no
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305 equivalents compatible with the General Motors B089 spark plug








































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No equivalent for this brand selection.
What can replace a General Motors B089 spark plug?
The General Motors B089 is interchangeable with: Bosch GLP13, Champion W575, Denso G116, Bosch GLP013, Bosch GLP055, Bosch GLP111. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the General Motors B089?
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.