Spark plug · Autolite

Equivalents for the Autolite spark plug 3911

Meet the Autolite 3911 spark plug : tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), heat range very hot, thread 14 mm, reach 18.5–21.5 mm. Here are its 19 cross-references: equivalent, compatible and replacement plugs from NGK, Bosch, Champion, Denso and other makers.

Technical information Autolite 3911 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 Autolite 3911 spark plug?

The Autolite 3911 is interchangeable with: NGK B9ES, Bosch WR9DCY, Champion C61, Champion RN16YC5, Champion RN16YC5/014, Champion RN16YC5/T04. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Autolite 3911?

Thread 14 mm, Reach 18.5–21.5 mm, Heat range Very hot, Gap 1.5mm, 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.