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Mercury Outboard Spark Plugs

Shop Mercury Outboard Spark Plugs

Find premium NGK spark plugs for Mercury outboards, available in iridium, platinum and copper nickel options. Designed to suit a wide range of Mercury models including 2-stroke, 4-stroke, Verado, SeaPro, Optimax and ProXS, NGK spark plugs deliver reliable ignition performance, improved fuel efficiency and long-lasting durability for every engine type.

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  • NGK LKAR7C-9 Spark Plug 93961

    NGK LKAR7C-9 Spark Plug 93961

    NGK LKAR7C-9 Spark Plug 93961 Replaces Mercury part: 33-8M0135348, 33-8M0204737 This is a genuine NGK spark plug.

    $20.41
    Add to Cart The item has been added
  • NGK IZFR6J Spark Plug 4462

    NGK IZFR6J Spark Plug 4462

    NGK IZFR6J Spark Plug 4462 Replaces Mercury part: 33-843220Q This is a genuine NGK spark plug.

    $37.40
    Add to Cart The item has been added
  • NGK BUZ8H Spark Plug 5626

    NGK BUZ8H Spark Plug 5626

    NGK BUZ8H Spark Plug 5626 Replaces Mercury part: 33-804355 This is a genuine NGK spark plug.

    $33.50
    Add to Cart The item has been added
  • NGK LFR4A-E Spark Plug 6499

    NGK LFR4A-E Spark Plug 6499

    NGK LFR4A-E Spark Plug 6499 Replaces Mercury part: 33-8M0157328 This is a genuine NGK spark plug.

    $25.08
    Add to Cart The item has been added
  • NGK IZFR5G Spark Plug 5887

    NGK IZFR5G Spark Plug 5887

    NGK IZFR5G Spark Plug 5887 Replaces Mercury part: 33-889597Q This is a genuine NGK spark plug.

    $46.64
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  • NGK ILFR6G-E Spark Plug 4212

    NGK ILFR6G-E Spark Plug 4212

    NGK ILFR6G-E Spark Plug 4212 Replaces Mercury part: 33-889246Q39 This is a genuine NGK spark plug.

    $45.41
    Add to Cart The item has been added
  • NGK IZFR5J Spark Plug 5899

    NGK IZFR5J Spark Plug 5899

    NGK IZFR5J Spark Plug 5899 Replaces Mercury part: 33-892567Q Replaces Tohatsu part: 9701-1-1109 This is a genuine NGK spark plug.

    $46.64
    Add to Cart The item has been added
  • NGK ZFR5F Spark Plug 7558

    NGK ZFR5F Spark Plug 7558

    NGK ZFR5F Spark Plug 7558 Replaces Mercury part: 33-8M0057936, 33-8M0204728 This is a genuine NGK spark plug.

    $12.99
    Add to Cart The item has been added
  • NGK BP7HS-10 Spark Plug 7829

    NGK BP7HS-10 Spark Plug 7829

    NGK BP7HS-10 Spark Plug 7829 Replaces Mercury part: 33-97184 Replaces Tohatsu part: 9701-1-1010 This is a genuine NGK spark plug.

    $8.27
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  • NGK DCPR6E Spark Plug 3481

    NGK DCPR6E Spark Plug 3481

    NGK DCPR6E Spark Plug 3481 Replaces Mercury part: 33-8M0204682 Replaces Tohatsu part: 9701-1-1103 This is a genuine NGK spark plug.

    $8.75
    Add to Cart The item has been added
  • NGK DPR6EA-9 Spark Plug 5531

    NGK DPR6EA-9 Spark Plug 5531

    NGK DPR6EA-9 Spark Plug 5531 Replaces Yamaha part: 94701-00375 Replaces Mercury part: 33-827858Q This is a genuine NGK spark plug.

    $8.87
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