Spark plug · Valeo

Equivalents for the Valeo spark plug 21L

The Valeo 21L spark plug featuring thread 18 mm, tightening torque fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour), reach 12.0 mm, heat range very hot. All its 11 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…

Technical information Valeo 21L spark plug

Torque
fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour)

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11 equivalents compatible with the Valeo 21L spark plug

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What can replace a Valeo 21L spark plug?

The Valeo 21L is interchangeable with: Denso M17, Valeo S6N, Marchal S6N, Bosch MBAO, Bosch 0241319525, Bosch 0241319526. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Valeo 21L?

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.