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Mercury Monarch Spark Plugs

At JC Whitney, we offer the best selection of Mercury Monarch Spark Plugs parts and accessories. We offer an industry leading 30-day Guarantee so that you can shop with confidence! Narrow your selection below by providing the year of your vehicle for a custom list of Mercury Monarch Spark Plugs products.

20 out of 25 products in Electrical Systems
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Priced From: $7.54
Custom Fit
E3 DIAMONDFIRE AUTOMOTIVE SPARK PLUGS
Fit for Mercury Monarch

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

Priced From: $7.54
Rating (67)
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Priced From: $2.96
Custom Fit
SPARK PLUG BOSCH SUPER PLUS
Fit for Mercury Monarch

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

Priced From: $2.96
Rating (3)
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Priced From: $4.08
Custom Fit
MOTORCRAFT OE REPLACEMENT SPARK PLUG
Fit for Mercury Monarch

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

Priced From: $4.08
Rating (2)
Free
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Priced From: $8.50
Custom Fit
NGK IRIDIUM IX OE REPLACEMENT SPARK PLUG
Fit for Mercury Monarch

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

Priced From: $8.50
Rating (2)
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Priced From: $8.17
Custom Fit
AC DELCO - PROFESSIONAL PLATINUM SPARK PLUGS
Fit for Mercury Monarch

ACDelco’s Professional Platinum Spark Plugs provide greater longevity and corrosion resistance. Read more

Priced From: $8.17
Rating (1)
Free
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Priced From: $2.88
Custom Fit
NGK SPARK PLUG
Fit for Mercury Monarch

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

Priced From: $2.88
Rating (1)
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Priced From: $4.37
Custom Fit
NGK G-POWER SPARK PLUGS
Fit for Mercury Monarch

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

Priced From: $4.37
Rating (3)
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Priced From: $5.77
Custom Fit
DENSO PLATINUM TT OE REPLACEMENT SPARK PLUG
Fit for Mercury Monarch

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

Priced From: $5.77
Free
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Priced From: $4.00
Custom Fit
CHAMPION COPPER PLUS SPARK PLUGS
Fit for Mercury Monarch

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

Priced From: $4.00
Rating (1)
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Priced From: $6.96
Custom Fit
CHAMPION PLATINUM POWER SPARK PLUGS
Fit for Mercury Monarch

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

Priced From: $6.96
Rating (2)
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Priced From: $5.43
Custom Fit
DENSO STANDARD OE REPLACEMENT SPARK PLUG
Fit for Mercury Monarch

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... Read more

Priced From: $5.43
Free
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Priced From: $5.77
Custom Fit
MOTORCRAFT SUPPRESSOR OE REPLACEMENT SPARK PLUG
Fit for Mercury Monarch

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

Priced From: $5.77
Free
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Priced From: $4.47
Custom Fit
BOSCH PLATINUM PLUS SPARK PLUG
Fit for Mercury Monarch

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

Priced From: $4.47
Rating (2)
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Priced From: $4.60
Custom Fit
BOSCH SPARK PLUGS
Fit for Mercury Monarch

SPARK PLUGS . Read more

Priced From: $4.60
Rating (1)
Free
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Priced From: $9.88
DENSO IRIDIUM POWER SPARK PLUGS

IRIDIUM POWER SPARK PLUGS. Iridium (extracted from meteorites) is far superior to platinum 6 times harder, 8 times stronger and able to... Read more

Priced From: $9.88
Rating (5)
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Priced From: $9.37
Custom Fit
AC DELCO - RAPIDFIRE PERFORMANCE PLATINUM SPARK PLUGS
Fit for Mercury Monarch

ACDelco’s RapidFire Performance Platinum Spark Plugs deliver greater durability and optimized firing efficiency. Read more

Priced From: $9.37
Free
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Priced From: $12.31
Custom Fit
DENSO IRIDIUM POWER OE REPLACEMENT SPARK PLUG
Fit for Mercury Monarch

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

Priced From: $12.31
Free
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Priced From: $3.15
Custom Fit
DENSO SPARK PLUG
Fit for Mercury Monarch

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

Priced From: $3.15
Free
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Priced From: $13.46
Custom Fit
ACCEL - C-CUT SPARK PLUGS
Fit for Mercury Monarch

Accel’s C-Cut Spark Plugs create a larger flame for a more complete burn and better throttle response, high RPM power and fuel efficiency... Read more

Priced From: $13.46
Free
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Priced From: $3.18
Custom Fit
ACCEL - U-GROOVE SPARK PLUGS
Fit for Mercury Monarch

Accel’s patented U-Groove design and purified Alumina insulators provide a hotter spark for more efficient combustion, improved throttle... Read more

Priced From: $3.18
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