Equivalents for the ACDelco spark plug 420 Z
The ACDelco 420 Z spark plug : thread 14 mm, heat range medium, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), reach 12.7 mm. Here are its 156 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.
Technical information ACDelco 420 Z 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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What can replace a ACDelco 420 Z spark plug?
The ACDelco 420 Z is interchangeable with: NGK B6H, Bosch W 7 AC, Champion L7, NGK B6HS, NGK B7HC, Bosch W 175 T 1. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the ACDelco 420 Z?
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.