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Mercury Spark Plugs

Select from our extensive list of Mercury Spark Plugs below. We offer an industry leading 30-day Guarantee so that you can Shop with confidence! Select from the products or categories below to narrow the selection in Spark Plugs for your Mercury.
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20 out of 39 products in Electrical Systems
  • E3 DIAMONDFIRE AUTOMOTIVE SPARK PLUGS

    Fits Mercury

    AUTOMOTIVE SPARK PLUG. Produces up to 12% more power, reducing fuel consumption up to 13% while cutting harmful toxic emissions up to 58... more

    Priced from:

    $5.95
    Fits the following Mercury Models
    • Mercury Cougar
    • Mercury Grand Marquis
    • Mercury Marauder
    • Mercury Mariner
    • Mercury Milan
    • Mercury Montego
    • Mercury Monterey
    • Mercury Mountaineer
    • Mercury Mystique
    • Mercury Sable
    • Mercury Topaz
  • BOSCH PLATINUM+4 SPARK PLUG

    Fits Mercury

    These plugs deliver top fuel economy and maximum engine power while having longest service life! more

    Priced from:

    $7.30
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Cougar
    • Mercury Grand Marquis
    • Mercury LN7
    • Mercury Lynx
    • Mercury Mariner
    • Mercury Marquis
    • Mercury Milan
    • Mercury Montego
    • Mercury Mountaineer
    • Mercury Topaz
  • NGK G-POWER SPARK PLUGS

    Fits Mercury

    NGK COMMERCIAL SERIES SPARK PLUGS. Corrugated ribs help prevent "flashover" of spark which can lead to harmful misfires and rob you of... more

    Priced from:

    $4.16
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Colony Park
    • Mercury Comet
    • Mercury Cougar
    • Mercury Cyclone
    • Mercury Grand Marquis
    • Mercury Marquis
    • Mercury Monarch
    • Mercury Montego
    • Mercury Monterey
  • NGK IRIDIUM IX OE REPLACEMENT SPARK PLUG

    Fits Mercury

    These lessens the power requirements for spark that allows brighter and stronger spark from the existing ignition system. more

    Priced from:

    $7.84
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Colony Park
    • Mercury Cougar
    • Mercury Grand Marquis
    • Mercury Marquis
    • Mercury Monterey
    • Mercury Mountaineer
    • Mercury Sable
    • Mercury Tracer
  • CHAMPION PLATINUM POWER SPARK PLUGS

    Fits Mercury

    PLATINUM POWER SPARK PLUGS. Champion Platinum Power spark plugs use a platinum pad welded to a nickel alloy center electrode for long life... more

    Priced from:

    $4.83
    Fits the following Mercury Models
    • Mercury Cougar
    • Mercury Grand Marquis
    • Mercury Monterey
    • Mercury Mountaineer
    • Mercury Mystique
    • Mercury Sable
    • Mercury Topaz
  • DENSO SPARK PLUG

    Fits Mercury

    Denso Spark Plug. The 5-rib design prevents flashover while decreasing voltage loss. Copper glass seal bonds the center electrode and insulator... more

    Priced from:

    $3.15
    Fits the following Mercury Models
    • Mercury Grand Marquis
    • Mercury Marquis
  • DENSO DOUBLE PLATINUM OE REPLACEMENT SPARK PLUG

    Fits Mercury

    These are constructed with heavy duty insulator for unmatched dielectric power and thermal conductivity under extreme temperatures. Denso... more

    Priced from:

    $7.70
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Tracer
    • Mercury Villager
  • MOTORCRAFT SUPPRESSOR OE REPLACEMENT SPARK PLUG

    Fits Mercury

    Motorcraft Suppressor OE Replacement Spark Plug. Exclusively materials are used for extended service life. Never hesitate to consider Motorcraft... more

    Priced from:

    $2.99
    Fits the following Mercury Models
    • Mercury Mariner
    • Mercury Milan
  • BOSCH SPARK PLUGS

    Fits Mercury

    SPARK PLUGS . more

    Priced from:

    $3.06
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Cougar
    • Mercury Grand Marquis
    • Mercury Lynx
    • Mercury Marquis
    • Mercury Sable
  • SPARK PLUG BOSCH SUPER PLUS

    Fits Mercury

    These spark plugs are equipped with a heavy duty yttrium enhanced copper core center electrode for increased resistance against spark erosion... more

    Priced from:

    $2.84
    Fits the following Mercury Models
    • Mercury Bobcat
    • Mercury Capri
    • Mercury Cougar
    • Mercury Marquis
    • Mercury Zephyr
  • DENSO IRIDIUM POWER OE REPLACEMENT SPARK PLUG

    Fits Mercury

    From the world's leading provider of high quality automotive parts, these plugs are made with patented iridium alloy that is 6 times harder... more

    Priced from:

    $9.88
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Colony Park
    • Mercury Comet
    • Mercury Cougar
    • Mercury Cyclone
    • Mercury Grand Marquis
    • Mercury Marquis
    • Mercury Monarch
    • Mercury Montego
    • Mercury Monterey
    • Mercury Zephyr
  • CHAMPION COPPER PLUS SPARK PLUGS

    Fits Mercury

    COPPER PLUS SPARK PLUGS. Champion Copper Plus spark plugs have been original equipment on a wide variety of engines for many years. Manufacturers... more

    Priced from:

    $3.59
    Fits the following Mercury Models
    • Mercury Caliente
    • Mercury Capri
    • Mercury Colony Park
    • Mercury Comet
    • Mercury Cougar
    • Mercury Cyclone
    • Mercury Marquis
    • Mercury Monarch
    • Mercury Montego
    • Mercury Monterey
    • Mercury Villager
    • Mercury Voyager
    • Mercury Zephyr
  • DENSO PLATINUM TT OE REPLACEMENT SPARK PLUG

    Fits Mercury

    Manufactured with a revolutionary twin tip design that delivers improved ignitability for additional power and fuel-efficient combustion... more

    Priced from:

    $5.77
    Fits the following Mercury Models
    • Mercury Grand Marquis
    • Mercury Marquis
  • DENSO IRIDIUM LONG LIFE OE REPLACEMENT SPARK PLUG

    Fits Mercury

    Constructed with patented iridium alloy which is 6 times harder and 8 times stronger than conventional platinum that makes it capable of... more

    Priced from:

    $9.36
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Tracer
    • Mercury Villager
  • AC DELCO CONVENTIONAL OE REPLACEMENT SPARK PLUG

    Fits Mercury

    AC Delco Conventional OE Replacement Spark Plug. Made of high quality materials. Meets or exceeds OE standards. Consider AC Delco Conventional... more

    Priced from:

    $3.26
    Fits the following Mercury Models
    • Mercury Capri
  • MOTORCRAFT OE REPLACEMENT SPARK PLUG

    Fits Mercury

    Motorcraft OE Replacement Spark Plug. Designed with superior resources for lasting life. Motorcraft OE Replacement Spark Plug uses the... more

    Priced from:

    $2.95
    Fits the following Mercury Models
    • Mercury Colony Park
    • Mercury Cougar
    • Mercury Cyclone
    • Mercury Marauder
    • Mercury Marquis
    • Mercury Montego
    • Mercury Monterey
  • SPARK PLUG NGK LASER PLATINUM OE REPLACEMENT

    Fits Mercury

    NGK LASER PLATINUM SPARK PLUG. Lasers are used for pin point precision welds, reducing excess debris. The reduction of debris decreases... more

    Priced from:

    $9.30
    Fits the following Mercury Models
    • Mercury Mountaineer
  • SPARK PLUG BOSCH PLATINUM+2

    Fits Mercury

    Features a fine wire platinum center electrode that is heat fused into the extended ceramic insulator to reduce the voltage necessary to... more

    Priced from:

    $4.11
    Fits the following Mercury Models
    • Mercury Tracer
  • CHAMPION DOUBLE PLATINUM POWER SPARK PLUGS

    Fits Mercury

    DOUBLE PLATINUM POWER SPARK PLUGS. Champion Double-Platinum Power spark plugs have platinum on both the center and ground electrodes. The... more

    Priced from:

    $4.14
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Cougar
    • Mercury LN7
    • Mercury Lynx
    • Mercury Tracer
    • Mercury Villager
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