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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
  • 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:

    $6.71
    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
  • 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

    17% OFF

    On sale from:

    $4.86
    $2.14
    Fits the following Mercury Models
    • Mercury Villager
  • 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 Grand Marquis
    • Mercury Lynx
    • Mercury Mariner
    • Mercury Mountaineer
    • Mercury Sable
  • 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

    16% OFF

    On sale from:

    $8.38
    $3.69
    Fits the following Mercury Models
    • Mercury Villager
  • 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

    15% OFF

    On sale from:

    $11.93
    $7.07
    Fits the following Mercury Models
    • Mercury Cyclone
  • 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

    15% OFF

    On sale from:

    $10.14
    $7.31
    Fits the following Mercury Models
    • Mercury Cougar
    • Mercury Grand Marquis
    • Mercury Monterey
    • Mercury Mountaineer
    • Mercury Mystique
    • Mercury Sable
    • Mercury Topaz
  • NGK SPARK PLUG

    Fits Mercury

    NGK OE REPLACEMENT IRIDIUM IX SPARK PLUG. Fine Iridium tip ensures high durability and a consistently stable spark. more

    15% OFF

    On sale from:

    $3.40
    $2.88
    Fits the following Mercury Models
    • Mercury Breezeway
    • Mercury Brougham
    • Mercury Caliente
    • Mercury Capri
    • Mercury Colony Park
    • Mercury Comet
    • Mercury Commuter
    • Mercury Cougar
    • Mercury Country Cruiser
    • Mercury Custom
    • Mercury Cyclone
    • Mercury Marauder
    • Mercury Marquis
    • Mercury Medalist
    • Mercury Meteor
    • Mercury Monarch
    • Mercury Montclair
    • Mercury Montego
    • Mercury Monterey
    • Mercury Park Lane
    • Mercury S-55
    • Mercury Turnpike Cruiser
    • Mercury Villager
    • Mercury Voyager
    • Mercury Zephyr
  • 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

    15% OFF

    On sale from:

    $5.35
    $2.95
    Fits the following Mercury Models
    • Mercury Mountaineer
  • 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

    16% OFF

    On sale from:

    $4.11
    $2.99
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Cougar
    • Mercury Grand Marquis
    • Mercury Lynx
    • Mercury Marquis
    • Mercury Mystique
    • Mercury Sable
    • Mercury Topaz
    • 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 LN7
    • Mercury Lynx
    • Mercury Marauder
    • Mercury Mariner
    • Mercury Marquis
    • Mercury Milan
    • Mercury Montego
    • Mercury Monterey
    • Mercury Mountaineer
    • Mercury Sable
    • Mercury Topaz
  • 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 Capri
  • 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

    20% OFF

    On sale from:

    $9.32
    $2.88
    Fits the following Mercury Models
    • Mercury Cougar
    • Mercury Grand Marquis
    • Mercury Marquis
  • BOSCH PLATINUM PLUS SPARK PLUG

    Fits Mercury

    Designed to reach operating temperatures faster for quicker starts, better burning and increased fuel efficiency! more

    35% OFF

    On sale from:

    $4.78
    $1.95
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Comet
    • Mercury Cougar
    • Mercury Grand Marquis
    • Mercury Marquis
    • Mercury Monarch
    • Mercury Zephyr
  • 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
  • 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 LN7
    • Mercury Lynx
  • 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

    15% OFF

    On sale from:

    $12.34
    $7.01
    Fits the following Mercury Models
    • Mercury Cougar
    • Mercury Grand Marquis
    • Mercury Lynx
    • Mercury Marauder
    • Mercury Mariner
    • Mercury Milan
    • Mercury Montego
    • Mercury Monterey
    • Mercury Mountaineer
    • Mercury Mystique
    • Mercury Sable
    • Mercury Tracer
  • AC DELCO RAPIDFIRE PERFORMANCE PLATINUM OE REPLACEMENT SPARK PLUG

    Fits Mercury

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

    Priced from:

    $5.64
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Colony Park
    • Mercury Cougar
    • Mercury Grand Marquis
    • Mercury LN7
    • Mercury Lynx
    • Mercury Marquis
    • Mercury Sable
    • Mercury Topaz
    • 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 Capri
    • Mercury Tracer
    • Mercury Villager
  • DENSO STANDARD OE REPLACEMENT SPARK PLUG

    Fits Mercury

    Old and worn-out parts are suggested to be replaced to keep away from poor performance or even an expensive repair. These plugs are constructed... more

    Priced from:

    $3.80
    Fits the following Mercury Models
    • Mercury LN7
    • Mercury Lynx
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