Equivalents for the ACDelco spark plug S420Z
ACDelco S420Z, a spark plug with thread 14 mm, reach 12.7 mm, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), heat range medium. Compare its 18 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
Technical information ACDelco S420Z spark plug
- Resistor
- no
- Torque
- fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
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18 equivalents compatible with the ACDelco S420Z spark plug
No equivalent for this brand selection.
What can replace a ACDelco S420Z spark plug?
The ACDelco S420Z is interchangeable with: Champion L90C, Autolite AR6, Motorcraft AV8, Champion L90CT04, Champion L90C/T04, Autolite S45F. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the ACDelco S420Z?
Thread 14 mm, Reach 12.7 mm, Heat range Medium, Gap 1.0mm, Resistor no, Seat Flat (gasket), Torque fonte 25–35 N·m · alu 25–30 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.