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Amazon.com: Boat Motor Genuine Made in Japan OEM Spark Plug 94701-00217 94702-00217 for Yamaha Outboard NGK (2129) B7HS10 Suzuki Mercury Mercruiser Engine : Automotive
NGK.com: NGK 2129 B7HS-10 Nickel Spark Plug Replacement Information
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Amazon.com: New NGK Standard Spark Plug B7HS10, 2129 Set of 4 Spark Plugs : Automotive
Amazon.com: Boat Motor Genuine Made in Japan OEM Spark Plug 94701-00217 94702-00217 for Yamaha Outboard NGK (2129) B7HS10 Suzuki Mercury Mercruiser Engine : Automotive
Amazon.com: 2X Boat Motor Genuine Made in Japan OEM Spark Plug 94701-00217 94702-00217 for Yamaha Outboard NGK (2129) B7HS10 Suzuki Mercury Mercruiser Engine : Automotive