Equivalents for the NGK spark plug FR51
NGK FR51, a spark plug : thread 14 mm, tightening torque cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn). Find its 1000 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
Technical information NGK FR51 spark plug
- Torque
- cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn)
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1000 equivalents compatible with the NGK FR51 spark plug
No equivalent for this brand selection.
What can replace a NGK FR51 spark plug?
The NGK FR51 is interchangeable with: NGK BP6ES, Bosch M2C, Champion N2, NGK BPR4ES, NGK BPR6ES, NGK BCPR7ES. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the NGK FR51?
Thread 14 mm, 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.