Equivalents for the Denso spark plug S25
The Denso S25 spark plug — tightening torque cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn), electrode iridium, thread 14 mm, reach 21.5 mm. All its 2 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
Technical information Denso S25 spark plug
- Torque
- cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn)
Buy this spark plug Denso S25 — best retailers
Partner links: a purchase made through these links may earn us a commission, at no extra cost to you.
2 equivalents compatible with the Denso S25 spark plug
No equivalent for this brand selection.
What can replace a Denso S25 spark plug?
The Denso S25 is interchangeable with: Mazda N23018600, Denso 0677002810. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Denso S25?
Thread 14 mm, Reach 21.5 mm, 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.