Equivalents for the Napa spark plug X581
Napa X581 is an automotive spark plug : reach 12.7 mm, thread 18 mm, heat range very hot, tightening torque fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour). Compare its 196 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
Technical information Napa X581 spark plug
- Resistor
- no
- 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 Napa X581 spark plug?
The Napa X581 is interchangeable with: Bosch M45T5, Champion D14, Denso U20M-U, Bosch M8AC0, Bosch M10AC0, Bosch U175T3. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Napa X581?
Thread 18 mm, Reach 12.7 mm, Heat range Very hot, Resistor no, 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.