Spark plug · Motorcraft

Equivalents for the Motorcraft spark plug 427

Motorcraft 427 is a spark plug — reach 19.0 mm, heat range very hot, thread 14 mm, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour). All its 445 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…

Technical information Motorcraft 427 spark plug

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

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445 equivalents compatible with the Motorcraft 427 spark plug

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What can replace a Motorcraft 427 spark plug?

The Motorcraft 427 is interchangeable with: Bosch H8D, Champion S12YC, Denso T14EX-U, Bosch HR9D, Bosch HR8BC, Bosch HR9DC. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Motorcraft 427?

Thread 14 mm, Reach 19.0 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.