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      • Champion J4C Spark Plugs
        $3.99
        $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...

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      • Champion J6C Spark Plug
        $3.99
        $2.49

        Champion J6C Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion J6C 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
      • NGK IZFR6J Spark Plug
        $21.99
        $15.49

        NGK IZFR6J 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...

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      • NGK B7HS Spark Plug
        $4.49
        $2.99

        NGK B7HS 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 IZFR5G Spark Plug
        $21.99
        $15.49

        NGK IZFR5G 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...

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      • NGK BPZ8HS-10 Spark Plug
        $13.99
        $9.49

        NGK BPZ8HS-10 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 QL86C Spark Plugs
        $5.49
        $3.99

        Champion QL86C Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion QL86C 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 BPR6HS-10 Spark Plug
        $3.99
        $2.99

        NGK BPR6HS-10 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
      • NGK BR8ES Spark Plug
        $4.49
        $2.99

        NGK BR8ES 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 DCPR7E Spark Plug
        $6.99
        $4.99

        NGK DCPR7E 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
      • NGK BPR7HS-10 Spark Plug
        $4.49
        $2.99

        NGK BPR7HS-10 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 L86C Spark Plugs
        $3.49
        $2.49

        Champion L86C Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion L86C 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
      • NGK BPR7ES Spark Plug
        $4.49
        $2.99

        NGK BPR7ES 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
      • NGK BR7ES Spark Plug
        $4.49
        $2.99

        NGK BR7ES 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 BP7HS-10 Spark Plug
        $4.49
        $2.99

        NGK BP7HS-10 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
      • Quicksilver 33-97389 Spark Plug NGK BPR6FS Thumbnail Image
        $5.49
        $4.99

        Quicksilver 33-97389 Spark Plug NGK BPR6FS Quicksilver NGK BPR6FS standard plugs come pre-gapped as specified by your engine manufacturer. It is always recommended to check the gap before installation. Use only the spark plug listed in your engine...

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      • Champion L87YC Spark Plugs
        $3.49
        $2.49

        Champion L87YC Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion L87YC Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark...

        Add to Cart
      • AC Delco MR43T Spark Plug
        $4.99
        $3.99

        AC Delco MR43T Iridium Spark Plug This AC Delco spark plug iridium construction provides outstanding strength and high temperature resistance. Made with nickel alloy tip, copper core and ribbed suppressor seal for durability and performance,...

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      • Mercury 8M0157328 Spark Plug LFR4A-E
        $23.99
        $15.49

        Quicksilver 8M0157328 Spark Plug LFR4A-E Designed for select 75-115 HP EFI 4-Stroke Mercury Marine engines, this NGK spark plug ensures reliable ignition and consistent engine performance. NGK Standard spark plugs are proven technology that offer...

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      • NGK BUH Spark Plug
        $6.99
        $4.99

        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

      Mercury OEM Engine Parts Finder

      Mercury Outboard Spark Plugs

      We supply a variety of Mercury Outboard Spark plugs from brands like Champion and NGK. Your engine needs spark plugs to keep it going and that is why all our plugs are coated to resist corrosion and contamination. Find the right spark plug for your engine with our parts selector at the top of the page. Need help finding the right spark plug for your Mercury engine? Refer to the Mercury spark plug charts below. 

      Mercury Two Stroke Spark Plug Chart

      Mercury Four Stroke Spark Plug Chart