Equivalents for the ACDelco spark plug 109G
ACDelco 109G, a spark plug — reach 15.2–19.0 mm, heat range medium. Compare its 151 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
Technical information ACDelco 109G spark plug
- Resistor
- no
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What can replace a ACDelco 109G spark plug?
The ACDelco 109G is interchangeable with: Bosch CH203, Champion W425, Denso DG145, Bosch GLP040, Bosch GLP228, Champion CH203. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the ACDelco 109G?
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.