Spark plug · Bosch

Equivalents for the Bosch spark plug M4A1

Bosch M4A1 is an automotive spark plug featuring tightening torque fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour), heat range cold, reach 12.7 mm, electrode nickel, thread 18 mm. All its 21 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…

Technical information Bosch M4A1 spark plug

Ground electrodes
1
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 Bosch M4A1 spark plug?

The Bosch M4A1 is interchangeable with: Bosch M250MZ1, Champion D6, Denso M24S, Champion M22, Champion D6013, Champion K-8. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Bosch M4A1?

Thread 18 mm, Reach 12.7 mm, Heat range Cold, Electrode Nickel, Resistor no, Seat Flat (gasket), Ground electrodes 1, 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.