Spark plug · Motorcraft

Equivalents for the Motorcraft spark plug BSF 31

Meet the Motorcraft BSF 31 spark plug : thread 18 mm, tightening torque fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour), heat range very hot. All its 53 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…

Technical information Motorcraft BSF 31 spark plug

Resistor
yes
Torque
fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour)

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What can replace a Motorcraft BSF 31 spark plug?

The Motorcraft BSF 31 is interchangeable with: NGK A6FS, Bosch D 7 AC, Champion RF 10, NGK AR6FS, Champion RF10C, Champion S61YC. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Motorcraft BSF 31?

Thread 18 mm, Heat range Very hot, Resistor yes, Seat Flat (gasket), Torque fonte 35–45 N·m · alu 35–40 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.