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Parts Selection Guide

Find the parts you need

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Prop Selection Guide

Find the right prop for your boat

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      Mercruiser Spark Plugs

      • Champion RF10C Spark Plug
        $3.49
        $2.49

        Champion RF10C Copper Plus Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion RF10C Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These...

        Add to Cart
      • NGK B8S Spark Plug
        $3.99
        $2.99

        NGK B8S Spark Plug NGK Standard Spark Plugs are proven technology that offer reliable performance. Standard spark plugs are treated with corrosion-resistant plating to ensure ease of installation and removal. The solid copper core offers superior heat...

        Add to Cart
      • Mercury 8M0129146 AC Spark Plug 41-983
        $23.49
        $20.49

        Mercury 8M0129146 AC Spark Plug 41-983 Mercury OEM replacement ACDelco Platinum Spark Plug. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. Features: One-piece,...

        Add to Cart
      • NGK B7S Spark Plug
        $3.99
        $2.99

        NGK B7S Spark Plug NGK Standard Spark Plugs are proven technology that offer reliable performance. Standard spark plugs are treated with corrosion-resistant plating to ensure ease of installation and removal. The solid copper core offers superior heat...

        Add to Cart
      • Mercury - Mercruiser 33-941 Spark Plug QL77CC
        $12.99
        $10.99

        Mercury - Mercruiser 33-941 Spark Plug QL77CC Replacement Mercury/Mercruiser Champion copper marine spark plug.  Resist fouling Superior corrosion resistance Dependable starts Improved performance Sold individually

        Add to Cart
      • NGK BPR5EFVX Spark Plug
        $9.49
        $6.99

        NGK BPR5EFVX Spark Plug 7549 NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six...

        Add to Cart
      • Champion RN9YC Spark Plug
        $3.49
        $2.49

        Champion RN9YC Copper Plus Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion RN9YC Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These...

        Add to Cart

      Mercruiser OEM Engine Parts Finder

      Mercruiser Spark Plugs

      Bad spark plugs can cause your Mercruiser engine to cut out, lose power, slow acceleration, and have trouble starting. When it is time to replace, we carry Mercruiser Spark Plugs from brands like Champion and NGK. You can buy in confidence knowing all our products meet OEM standards. Not sure which spark plug your engine needs? Refer to our Mercruiser spark plug chart below.

      Click to Download Mercruiser Spark Plug Chart