Equivalents for the Napa spark plug X903
Napa X903 is a spark plug : reach 9.5 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). Compare its 114 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.
Technical information Napa X903 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 X903 spark plug?
The Napa X903 is interchangeable with: Bosch W8F, Champion J11Y, Denso W16P-U, Bosch W9F, Bosch W8FC, Bosch W9FC. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Napa X903?
Thread 14 mm, Reach 9.5 mm, Heat range Very hot, 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.