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Mercruiser Spark Plugs

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Parts Selection Guide

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      • NGK BPR6EFS Spark Plug
        $4.49
        $3.49

        NGK BPR6EFS Spark Plug This standard spark plug features a copper core to promote heat dissipation and more efficient spark plug operation; has a threaded terminal. Check your engine and maintenance manual for the correct spark plug and only use as...

        Add to Cart
      • NGK BR6FS Spark Plug
        $4.49
        $3.49

        NGK BR6FS Spark Plug The NGK BR6FS Spark Plug is a standard NGK plug. NGK Standard plugs are an OE cornerstone that have provided decades of reliable performance. The solid copper core offers superior heat dissipation, conductivity, and broad heat range...

        Add to Cart
      • Champion QL77JC4 Spark Plug
        $4.99
        $3.49

        Champion QL77JC4 Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion QL77JC4 Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark...

        Add to Cart
      • Champion RV15YC4 Spark Plug
        $3.49
        $2.49

        Champion RV15YC4 Copper Plus Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion RV15YC4 Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These...

        Add to Cart
      • Champion RS12YC Spark Plug
        $3.49
        $2.49

        Champion RS12YC Copper Plus Marine Spark Plugs Champion marine spark plugs are quality OEM replacements. The Champion RS12YC Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These...

        Add to Cart
      • NGK BR6HS Spark Plug
        $4.49
        $3.49

        NGK BR6HS 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
      • NGK BPR6FS Spark Plug
        $4.49
        $3.49

        NGK BPR6FS 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...

        Add to Cart
      • Champion J4C Spark Plugs
        $3.49
        $2.49

        Champion J4C Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion J4C Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark plugs...

        Add to Cart
      • Champion RV91MC Spark Plugs
        $3.49
        $2.49

        Champion RV91MC Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion RV91MC Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark...

        Add to Cart
      • Champion RV9YC Spark Plug
        $2.99
        $2.49

        Champion RV9YC Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion RV9YC Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark...

        Add to Cart
      • NGK ITR4A15 Spark Plug
        $17.99
        $12.49

        NGK ITR4A15 Spark Plug NGK Laser Iridium spark plugs offer the best combination of performance and longevity. The iridium tipped center electrode provides durability six times harder than platinum. NGK's high-grade pure alumina ceramic and 98% pure...

        Add to Cart
      • Champion RJ12YC Spark Plugs
        $3.49
        $2.49

        Champion RJ12YC Copper Plus Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion RJ12YC Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These...

        Add to Cart
      • NGK BR6ES Spark Plug
        $4.49
        $3.49

        NGK BR6ES 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
      • Champion RN5C Spark Plugs
        $3.49
        $2.49

        Champion RN5C Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion RH12 Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark plugs...

        Add to Cart
      • Champion RS9YC Spark Plugs
        $3.49
        $2.49

        Champion RS9YC Copper Plus Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion RS9YC Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These...

        Add to Cart
      • Champion RL82C Spark Plugs
        $2.99
        $1.99

        Champion RL82C Marine Spark Plugs Champion marine spark plugs are quality OEM replacements. The Champion RL82C Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark...

        Add to Cart
      • NGK AR6FS Spark Plug
        $6.99
        $4.99

        NGK AR6FS 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
      • NGK BUH Spark Plug
        $5.49
        $3.99

        NGK BUH 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
      • Champion RV12YC Spark Plugs
        $3.49
        $2.49

        Champion RV12YC Copper Plus Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion RV12YC Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These...

        Add to Cart
      • Champion V63C Spark Plugs
        $5.99
        $4.49

        Champion V63C Marine Racing Spark Plug The Champion V63C Marine Spark plug is designed for racing applications. Perfect for weekend racers and speed enthusiasts optimizing engine performance. Exceptional combustion and strength Ceramic insulator...

        Out of stock

      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