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NGK  |  SKU: PT-BPMR7A

NGK BPMR7A Resistor Spark Plug – 10K Ohm, 14mm, 0.7mm Gap – NGK 4626 / 6703

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A Thank You to Our Valued Customers.

Ensure reliable ignition in your outdoor power equipment with the NGK BPMR7A spark plug – the OE-specified replacement for Stihl FS 38, Husqvarna, Homelite, Makita chainsaws, and Subaru-Robin engines . Features a 98% pure copper core10K Ohm resistor for EMI suppression, and projected tip design for improved ignitability.

Direct OEM cross-reference for Honda 98073-57944, Kawasaki 92070-2107, Yamaha 90793-20098 .


 

Vehicle Fitment:

Equipment Type Manufacturer / Models
Chainsaws Husqvarna 254XR, 262XP, 281XP, 371XP, 372XP, 394XP, 395XP; Homelite 1000, 205, 252, 290, 340; Makita DCS-5200I, DCS-6800I, DCS-7000 
Trimmers / Brush Cutters Stihl FS 38, FS 55 R, FS 120; Shindaiwa, Solo 
Outdoor Power Poulan Pro, Subaru-Robin, Oregon 77-134 replacement 

Always verify fitment using your equipment's model and engine code before ordering.


 

Product Specifications:

Specification Details
NGK Part Number BPMR7A
NGK Stock Numbers 4626, 6703, 6761 (BLYB) 
Type Resistor Spark Plug
Thread Size 14mm x 1.25mm
Thread Reach 9.5mm (3/8")
Hex Size 19mm (3/4")
Seat Type Flat / Gasket
Spark Gap 0.7mm (0.028")
Resistor Value 10K Ohm
Center Core 98% Pure Copper
Center Electrode Nickel, 2.5mm, Projected
Ground Electrode Nickel, single
Terminal Type Removable Nut (M4 thread / SAE)
Heat Range 7
Overall Height Bantam (40mm insulator) 
Max Service Life 150 hours 
Condition Genuine NGK New

 

OEM & Aftermarket Cross-References:

Brand Part Numbers
NGK BPMR7A (4626 / 6703 / 6761)
Honda 98073-57944
Kawasaki 92070-2107, E 92070-2107
Yamaha 90793-20098
Oregon 77-134 
Champion RCJ6Y, RCJ7Y
Bosch WSR6F, WSR7F, W22MPRU
Cross References 0242240576, 0242245533, PR 15 Y, WRS5F 

Why Choose NGK BPMR7A?

  • 98% pure copper core – Superior heat dissipation for reliable starts, reduced overheating risk 

  • 10K Ohm resistor – Suppresses EMI for sensitive ignition modules 

  • Projected tip design – Positions spark deeper for improved ignitability and combustion efficiency 

  • Cold-rolled threads – Prevents cross-threading and cylinder head damage 

  • Trivalent metal plating – Corrosion resistant; no anti-seize required 

  • Removable terminal nut – Universal fitment for SAE and JIS plug caps 

  • Bantam height – Compact design for confined engine spaces 

Torque: 12–12.7 ft-lb (17.2 Nm) for 14mm gasket-seat plugs.

Trust the original. Trust NGK.

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