Description
he NGK BPMR7A (6703) Copper Spark Plug is a trusted OEM-style replacement plug used in many popular chainsaws, trimmers, blowers, and small engines. Built in NGK’s iconic “Yellow Box” packaging, this standard nickel-alloy plug delivers reliable ignition, strong spark performance, and long-lasting durability for everyday equipment use.
Designed with a solid copper core for excellent conductivity and heat transfer, the BPMR7A helps engines start easier, run cleaner, and maintain consistent power under load. NGK’s high-grade ceramic insulator supports optimal performance, while triple gasket sealing helps prevent combustion gas leakage for a dependable seal.
Replaces / Interchanges With
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NGK: BPMR7A, BPM7A
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Champion: RCJ6Y, RCJ7Y, CJ6Y, CJ7Y
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Torch: LR7TC
Replaces STIHL OEM Part Numbers
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0000 400 7000
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1110 400 7005
Fits STIHL Equipment (Common Applications)
Compatible with many STIHL chainsaws including:
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MS170
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MS180
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026
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MS240
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MS250
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MS260
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MS290
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MS361
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MS440
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MS660
Fits Husqvarna Equipment (Common Applications)
Commonly used on select Husqvarna trimmers, blowers, and brush cutters including:
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123C, 223L, 225B, 225Bx
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125BT, 145BT, 155BT, 165BT
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240R, 250R, 252RX, 265RX, 268K
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322C, 323C, 325C
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340, 345, 350, 353, 355, 356BF
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372XP, 390, 435E, 440E, 445, 450
Features / Benefits
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OEM-quality NGK Standard construction for reliable performance
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Nickel alloy center electrode for consistent ignition and durability
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98% pure copper core for excellent heat dissipation & conductivity
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High-strength ceramic insulator improves dielectric performance
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Triple gasket sealing helps prevent combustion gas leakage
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Anti-corrosion / anti-seize plating helps with easy install & removal
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Helps support fast starts, smoother idle, and strong throttle response
✅ Fitment Note: Always confirm your engine model and spark plug part number before ordering to avoid returns and ensure proper fit.
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