Equivalents for the Champion spark plug 509
Champion 509 is an automotive spark plug : reach 12.7 mm, heat range cold, tightening torque fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour), thread 18 mm. 199 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
Technical information Champion 509 spark plug
- Terminal
- 8-32 UNC/BRASS
- 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 Champion 509 spark plug?
The Champion 509 is interchangeable with: Bosch M5A, Champion D6, Denso M17, Bosch M8A, Bosch M4A2, Bosch M4AC. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Champion 509?
Thread 18 mm, Reach 12.7 mm, Heat range Cold, Terminal 8-32 UNC/BRASS, 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.