Equivalents for the Harley Davidson spark plug HD4R
The Harley Davidson HD4R spark plug — thread 14 mm, heat range medium, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour). 59 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
Technical information Harley Davidson HD4R spark plug
- Resistor
- no
- Torque
- fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)
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59 equivalents compatible with the Harley Davidson HD4R spark plug
No equivalent for this brand selection.
What can replace a Harley Davidson HD4R spark plug?
The Harley Davidson HD4R is interchangeable with: Bosch W9AO, Champion H10, Denso L14, Champion H11, Champion H12, Champion H10C. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Harley Davidson HD4R?
Thread 14 mm, Heat range Medium, Resistor no, Seat Flat (gasket), Torque fonte 25–35 N·m · alu 25–30 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.