Equivalents for the Valeo spark plug 21
Valeo 21 is an automotive spark plug : thread 18 mm, tightening torque fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour), heat range very hot, reach 12.0 mm. All its 225 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
Technical information Valeo 21 spark plug
- 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 Valeo 21 spark plug?
The Valeo 21 is interchangeable with: Bosch M5A, Champion D6, Denso M17, Bosch M7A, Bosch M8A, Bosch M4A2. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Valeo 21?
Thread 18 mm, Reach 12.0 mm, Heat range Very hot, 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.