Spark plug · Motorcraft

Equivalents for the Motorcraft spark plug AT4

Motorcraft AT4 is an automotive spark plug — thread 14 mm, heat range very hot, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour). All its 407 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…

Technical information Motorcraft AT4 spark plug

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

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407 equivalents compatible with the Motorcraft AT4 spark plug

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What can replace a Motorcraft AT4 spark plug?

The Motorcraft AT4 is interchangeable with: Bosch W8E, Champion J7, Denso W14, Bosch W8F, Bosch W9E, Bosch W9F. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Motorcraft AT4?

Thread 14 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.