Spark plug · ACDelco

Equivalents for the ACDelco spark plug 18A

ACDelco 18A is an automotive spark plug — reach 12.7 mm, tightening torque fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour), heat range very hot, thread 18 mm. Compare its 23 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.

Technical information ACDelco 18A spark plug

Torque
fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour)

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What can replace a ACDelco 18A spark plug?

The ACDelco 18A is interchangeable with: Bosch M10AC0, Champion D89D, Denso L14-U, Champion RD16*, Champion RD16J*, Champion D89D014. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the ACDelco 18A?

Thread 18 mm, Reach 12.7 mm, Heat range Very hot, Gap 1.3mm, Resistor no, Seat Flat (gasket), Torque fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour)

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.