Equivalents for the Napa spark plug X531
Napa X531 is an automotive spark plug featuring thread 14 mm, reach 12.5 mm, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), heat range medium. All its 278 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
Technical information Napa X531 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 Napa X531 spark plug?
The Napa X531 is interchangeable with: Bosch W5E, Champion J4, Denso W31S, Bosch W2AC, Bosch W2AS, Bosch W3AC. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Napa X531?
Thread 14 mm, Reach 12.5 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.