Equivalents for the Denso spark plug D 40
Denso D 40 is a spark plug — reach 19.0 mm, heat range very hot, electrode iridium, tightening torque cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn), thread 14 mm. All its 124 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
Technical information Denso D 40 spark plug
- Resistor
- yes
- 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 D 40 spark plug?
The Denso D 40 is interchangeable with: NGK BKR5E-11, Bosch FR8DCX+, Denso K16-U11, NGK BKR5N-11, NGK BCPR5E-11, NGK BKR5EY-11. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Denso D 40?
Thread 14 mm, Reach 19.0 mm, Heat range Very hot, Gap 1.1mm, Electrode Iridium, Resistor yes, Seat Flat (gasket), 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.