Equivalents for the Champion spark plug 12840
Champion 12840 is a spark plug featuring reach 19.0 mm, 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. 9 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
Technical information Champion 12840 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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9 equivalents compatible with the Champion 12840 spark plug
No equivalent for this brand selection.
What can replace a Champion 12840 spark plug?
The Champion 12840 is interchangeable with: Bosch WR8DPX, Champion RN11YX4, Denso W16EP-U10, Bosch WR8DCX+, Denso W16EPR-U11, Denso W16EXR-U11. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Champion 12840?
Thread 14 mm, Reach 19.0 mm, Heat range Very hot, Gap 1.5mm, 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.