Spark plug · OMC

Equivalents for the OMC spark plug 509921

The OMC 509921 spark plug : heat range very hot, thread 14 mm, reach 12.7 mm, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour). Browse its 183 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.

Technical information OMC 509921 spark plug

Torque
fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

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183 equivalents compatible with the OMC 509921 spark plug

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What can replace a OMC 509921 spark plug?

The OMC 509921 is interchangeable with: Bosch W4AC, Champion H10C, Denso W14LMU, Bosch W9E0, Bosch W11E0, Bosch W9EC0. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the OMC 509921?

Thread 14 mm, Reach 12.7 mm, Heat range Very hot, 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.