Equivalents for the ACDelco spark plug 18
ACDelco 18 is an automotive spark plug featuring reach 15.2–19.0 mm, heat range hot. All its 12 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
Technical information ACDelco 18 spark plug
- Resistor
- no
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12 equivalents compatible with the ACDelco 18 spark plug
No equivalent for this brand selection.
What can replace a ACDelco 18 spark plug?
The ACDelco 18 is interchangeable with: Champion W89D, Motorcraft TT15, Autolite 3077, Champion A44-44D, Champion W89D014, Champion W89D/014. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the ACDelco 18?
Reach 15.2–19.0 mm, Heat range Hot, Gap 1.3mm, 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.