Equivalents for the General Motors spark plug B105
General Motors B105, a spark plug — reach 15.2–19.0 mm, heat range hot. Find its 129 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
Technical information General Motors B105 spark plug
- Resistor
- no
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What can replace a General Motors B105 spark plug?
The General Motors B105 is interchangeable with: Bosch CH196, Champion W580, Denso G121, Bosch GLP024, Bosch O25O2O2131, Champion GX96. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the General Motors B105?
Reach 15.2–19.0 mm, Heat range Hot, 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.