Spark plug · ACDelco

Equivalents for the ACDelco spark plug MR42FF

ACDelco MR42FF is a spark plug : tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), heat range medium, thread 14 mm, reach 12.7 mm. Here are its 22 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.

Technical information ACDelco MR42FF spark plug

Resistor
yes
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 MR42FF spark plug?

The ACDelco MR42FF is interchangeable with: Bosch WR7AC, Champion RL82C, Autolite XS4092, Champion RL82C051, Champion RL82C110, Champion RL82C/051. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the ACDelco MR42FF?

Thread 14 mm, Reach 12.7 mm, Heat range Medium, Gap 1.0mm, Resistor yes, 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.