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NGK Spark Plug BP8HS-10 (3823) Spark Plugs Sold Each Fits: Mercury/Mariner 10 X High Performance Engine (Mercury) 8.0 hp 1987-92 (Mariner) 9.9 hp 1987-94 (Mariner) 15 hp Sea Pro 1995-96 (Mercury) Champion Cross Reference: L78YC OE:
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🇺🇸 Ship from USA · On Agora since 2026
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