Equivalents for the ACDelco spark plug 138G
The ACDelco 138G spark plug — reach 15.2–19.0 mm, heat range medium. Here are its 172 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
Technical information ACDelco 138G spark plug
- Resistor
- no
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What can replace a ACDelco 138G spark plug?
The ACDelco 138G is interchangeable with: Bosch CH167, Champion N76, Denso G102, Bosch GLP026, Champion R74, Champion E003. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the ACDelco 138G?
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.