Spark plug · Bosch

Equivalents for the Bosch spark plug FR8MR

Bosch FR8MR, a spark plug — electrode nickel, tightening torque cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn), thread 14 mm, hex size 13/16″ (20,8 mm), reach 26.5 mm, heat range hot. Compare its 237 equivalents and find the cheapest compatible plug: NGK, Bosch, Champion, Denso and more.

Technical information Bosch FR8MR spark plug

Resistor
yes
Ground electrodes
1
Torque
cast iron 25–35 N·m · aluminium 25–30 N·m — or 180°–240° (½–⅔ turn)

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237 equivalents compatible with the Bosch FR8MR spark plug

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What can replace a Bosch FR8MR spark plug?

The Bosch FR8MR is interchangeable with: NGK LFR6B, Bosch FR5ME, Champion OE035, Bosch FR7ME, Bosch FR7SE, Bosch FR8ME. These spark plugs share the same mounting (thread, seat) and heat range.

What are the specifications of the Bosch FR8MR?

Spark plug wrench 13/16″ (20,8 mm), Thread 14 mm, Reach 26.5 mm, Heat range Hot, Electrode Nickel, Resistor yes, Seat Flat (gasket), Ground electrodes 1, 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.