Description
The NGK BPR6ES (Stock #7131) is a standard nickel spark plug designed for reliable OE-style performance across a wide range of automotive, powersports, and industrial applications. Built with a copper core, projected nickel center electrode, and triple gasket sealing, it offers dependable ignition, efficient heat transfer, and long service life for compatible engines.
Key Features
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Standard nickel spark plug for dependable everyday performance
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Copper core improves heat dissipation and conductivity
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Trivalent metal plating helps resist corrosion and seizure
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Corrugated ribs help prevent flashover
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Triple seals help prevent combustion gas leakage
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Projected tip design for improved ignitability
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Removable terminal nut for broader fitment flexibility
Specifications
General
- Part Number: BPR6ES
- Stock Number: 7131
- Brand: NGK
- Plug Type: Standard Nickel
- Heat Range: 6
- Resistor: Yes
- Resistor Value: 5k Ohm
- Gap: 0.9 mm (.035")
- Warranty: 60 Days
- Longevity: 30k Miles
Shell
- Thread Diameter: 14 mm
- Thread Pitch: 1.25 mm
- Thread Size: M14 x 1.25
- Seat Type: Gasket
- Reach: 19 mm (3/4")
- Hex Size: 13/16" (21 mm)
- Terminal Type: Removable Nut
- Overall Height: JIS
Center Electrode
- Material: Nickel
- Type: Standard
- Size: 2.5 mm
- Projection: Projected
Ground Electrode
- Material: Nickel
- Type: Standard
- Quantity: 1
Torque Specs
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Cast Iron: 18–25.3 lb-ft
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Aluminum: 18–21.6 lb-ft
Fitment Overview
This plug has a very broad fitment range across multiple categories:
Automotive examples
- Daewoo Lanos
- Land Rover Discovery
- Porsche 911 / 928 / 968 / 944
- Volvo 240 / 740 / 940
- Mitsubishi Eclipse / Galant
- Volkswagen Cabriolet / Golf / Corrado / Jetta
- BMW 2002 / 1600 / 2000 / 2800CS
- Mercedes-Benz 230SL / 280SE / 300SEL / 600
- Nissan 240Z / 620 / 720 / Pathfinder / D21
- Saab 900 / 99
- Toyota Celica / Corona / 2000GT / Pickup
- Aston Martin DB4 / DB5 / DB6 / DBS
- MG MGB / Midget
- Lotus Esprit / Elite / Seven
Powersports examples
- Yamaha SR400, SR500, XS1100, XT500
- BMW R-series motorcycles
- Kawasaki KZ1300 / ZN1300 Voyager
- Moto Guzzi V11 / California / 1100 Sport
- Gas Gas Pampera
Commercial & Industrial examples
- Honda water pumps and industrial engines
- Continental industrial engines
- Fuji Robin engines
- Ford industrial engines
Performance Notes
- Best suited for engines specified for a 14 mm gasket-seat projected-tip resistor plug
- The removable terminal nut adds compatibility with a wider range of ignition cap types
- Good replacement choice where OE calls for a standard nickel plug, especially in vintage and legacy applications
Summary
The NGK BPR6ES (7131) is a versatile, proven standard nickel spark plug with a 0.9 mm gap, projected tip, and removable terminal nut. It is a strong OE-style replacement for a huge range of automotive, motorcycle, and industrial applications where dependable ignition and durable everyday performance matter.
