Spark plug · Denso

Equivalents for the Denso spark plug D55

Meet the Denso D55 spark plug featuring heat range very hot, tightening torque cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn), thread 14 mm, electrode iridium. 20 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…

Technical information Denso D55 spark plug

Torque
cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn)

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What can replace a Denso D55 spark plug?

The Denso D55 is interchangeable with: Beru 200143, Tacti V91103051, Isolator M14175 / 2, Beru Z 58, PSA 75677, Citroen 756770. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Denso D55?

Thread 14 mm, Heat range Very hot, Electrode Iridium, Torque cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn)

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.