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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 38 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 Grand Marquis
    • Mercury Lynx
    • Mercury Mariner
    • Mercury Mountaineer
    • Mercury Sable
  • 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 Marquis
  • 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

    22% OFF

    On sale from:

    $5.52
    $2.99
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Cougar
    • Mercury LN7
    • Mercury Villager
  • BOSCH PLATINUM PLUS SPARK PLUG

    Fits Mercury

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

    29% OFF

    On sale from:

    $2.77
    $1.95
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Cougar
    • Mercury Lynx
    • Mercury Marquis
    • Mercury Monterey
    • Mercury Tracer
    • 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:

    $8.84
    $2.95
    Fits the following Mercury Models
    • Mercury Lynx
    • Mercury Tracer
  • 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

    35% OFF

    On sale from:

    $3.60
    $2.14
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Cougar
    • Mercury Grand Marquis
    • Mercury Marauder
    • Mercury Mountaineer
    • Mercury Mystique
    • Mercury Sable
    • 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

    24% OFF

    On sale from:

    $7.07
    $3.69
    Fits the following Mercury Models
    • Mercury Cougar
    • Mercury Mariner
    • Mercury Milan
    • Mercury Mystique
    • Mercury Sable
  • 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

    31% OFF

    On sale from:

    $11.09
    $7.07
    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
  • 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:

    $10.18
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Tracer
    • Mercury Villager
  • 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
  • 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 Bobcat
    • Mercury Capri
    • Mercury Colony Park
    • Mercury Comet
    • Mercury Cougar
    • Mercury Cyclone
    • Mercury Grand Marquis
    • Mercury Marquis
    • Mercury Monarch
    • Mercury Montego
    • Mercury Monterey
    • 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 Cougar
    • Mercury Sable
    • Mercury Tracer
  • 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

    22% OFF

    On sale from:

    $9.53
    $2.88
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Tracer
    • Mercury Villager
  • AC DELCO PROFESSIONAL PLATINUM OE REPLACEMENT SPARK PLUG

    Fits Mercury

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

    28% OFF

    On sale from:

    $9.57
    $6.85
    Fits the following Mercury Models
    • Mercury Bobcat
    • Mercury Capri
    • Mercury Comet
    • Mercury Cougar
    • Mercury Cyclone
    • Mercury Marquis
    • Mercury Montego
    • Mercury Monterey
    • Mercury Zephyr
  • 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

    23% OFF

    On sale from:

    $11.03
    $7.31
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Colony Park
    • Mercury Cougar
    • Mercury Grand Marquis
    • Mercury LN7
    • Mercury Lynx
    • Mercury Marquis
    • Mercury Sable
    • Mercury Tracer
    • Mercury Zephyr
  • 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:

    $3.86
    Fits the following Mercury Models
    • 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 Capri
    • Mercury Colony Park
    • Mercury Cougar
    • Mercury Grand Marquis
    • Mercury LN7
    • Mercury Lynx
    • Mercury Marquis
    • Mercury Sable
    • Mercury Tracer
    • 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 Cougar
    • Mercury Grand Marquis
    • Mercury Montego
    • Mercury Monterey
    • Mercury Mountaineer
    • Mercury Mystique
    • Mercury Sable
    • Mercury Topaz
  • CHAMPION IRIDIUM SPARK PLUGS

    Fits Mercury

    IRIDIUM SPARK PLUGS. Champion iridium spark plugs offer maximum performance regardless of engine or ignition type. Each plug has an extremely... more

    Priced from:

    $8.57
    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 Mountaineer
    • Mercury Sable
    • Mercury Topaz
  • BOSCH SPARK PLUGS

    Fits Mercury

    SPARK PLUGS . more

    Priced from:

    $3.06
    Fits the following Mercury Models
    • Mercury Capri
    • Mercury Comet
    • Mercury Cougar
    • Mercury Grand Marquis
    • Mercury Marquis
    • Mercury Monarch
    • Mercury Zephyr
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