Equivalents for the Motorcraft spark plug SP521
Meet the Motorcraft SP521 spark plug — tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), heat range medium, reach 17.5 mm, thread 14 mm. Browse its 222 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.
Technical information Motorcraft SP521 spark plug
- Torque
- fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
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What can replace a Motorcraft SP521 spark plug?
The Motorcraft SP521 is interchangeable with: NGK ITR5H13, Bosch HR7DP+, Champion RS8YP5, NGK ITR6F13, NGK ITR6F-13, Bosch HR8DCY. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Motorcraft SP521?
Thread 14 mm, Reach 17.5 mm, Heat range Medium, 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.