Spark plug · Autolite

Equivalents for the Autolite spark plug AR3910x

Meet the Autolite AR3910x spark plug featuring reach 19.0 mm, heat range cold, thread 14 mm, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour). Browse its 109 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.

Technical information Autolite AR3910x 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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109 equivalents compatible with the Autolite AR3910x spark plug

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What can replace a Autolite AR3910x spark plug?

The Autolite AR3910x is interchangeable with: NGK R7433-9, Bosch F2CS, Champion C59, Bosch F3CS, Champion C61, Champion C59C. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Autolite AR3910x?

Thread 14 mm, Reach 19.0 mm, Heat range Cold, 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.