Equivalents for the Harley Davidson spark plug HD34
Harley Davidson HD34, a spark plug featuring reach 19.0–20.5 mm, tightening torque fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour), heat range medium, thread 14 mm. 942 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
Technical information Harley Davidson HD34 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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942 equivalents compatible with the Harley Davidson HD34 spark plug
















































































































































































































































































































































































































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No equivalent for this brand selection.
What can replace a Harley Davidson HD34 spark plug?
The Harley Davidson HD34 is interchangeable with: NGK BP6ES, Bosch W2A, Champion H8, Bosch W5E, Bosch W7E, Bosch W8E. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Harley Davidson HD34?
Thread 14 mm, Reach 19.0–20.5 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.