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20 Best Spark Plugs For Mercury Grand Marquis (2023 Updated)

Spark plugs are used to deliver an electric current to the engine, igniting the fuel and air mixture inside the cylinders. The spark plugs for a Mercury Grand Marquis are located in the engine near the top of the cylinders.

20 Best Spark Plugs For Mercury Grand Marquis

Product Image Product Name Features Price

Bosch OE Fine Wire Double Iridium Spark Plug

  • 9605

Bosch OE Fine Wire Iridium Spark Plug, 9659,

  • Duralast Official Brakes of NASCAR
  • Reliable stopping performance
  • Single layer steel shim for noise dampening

NGK 97287 Laser Iridium Spark Plug

  • Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
  • Corrugated Ribs Prevent Flashover
  • Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer

ACDelco R45TSX Spark Plug

  • Black Onyx Coating helps prevent corrosion
  • Copper Core, the thermal properties of copper provide great heat transfer and increases plug durability

NGK 3951 Spark Plug

  • Sold in packs of 8
  • Genuine OEM NGK parts
  • NGK standard plugs are treated with corrosion-resistant plating to ensure ease of installation and removal

Champion 401 RS12YC Spark Plug

  • Copper Core Center Electrode: Allows for accurate control of heat range for longer life
  • Maximum Corrosion Resistance: Thanks to a Patented Ultraseal coated shell

Bosch 9608 | Spark Plug Iridium

  • Meets OEM requirements
  • Constructed with heat and ozone resistant EPDM rubber
  • Fiber is a

NGK 3689 Iridium IX Spark Plug

  • Tr6ix

Bosch Platinum Spark Plug 6747

  • Fine wire design provides better ignitability and performance
  • 360 Degree continuous laser welding to fuse the platinum firing pin for increased durability

NGK 7316 Iridium IX Spark Plug

  • You can depend on NGK for quality and reliability
  • Constructed from durable material
  • Fine Iridium tip ensures high durability

NGK Spark Plug

  • Solid copper core for greater spark
  • Longer insulator nose prevents fouling
  • Corrugated ribs on insulator prevents flashover

Motorcraft – SP405 – Spark Plug

  • Country of Origin: China
  • Package Dimensions: 8.636 H x 2.286 L x 3.048 W (centimeters)
  • Part number: SP-405

Bosch OE Fine Wire Double Platinum Spark Plug, 8113

  • Feature and Benefits: 360 degree continuous laser welding increases durability for increased life.
  • Feature and Benefits: Copper core provides broader heat range to resist pre-ignition and fouling.

Bosch OE Fine Wire Double Platinum Spark Plug, 8120

  • Fire up your engine every time you turn the key with a top-notch Bosch Spark Plug
  • Ultra-fine wire design and laser-welded tapered ground electrode ensure high performance

Motorcraft – SP450 – Spark Plug

  • Tested to Ford specifications for performance and emissions
  • Include continuous improvements
  • Resistant to oxidation and arc erosion

Autolite AP103 Platinum Spark Plug

  • High nickel alloy side electrode maintains precise gap
  • Platinum plugs feature a center wire platinum firing tip
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy

Champion 304 Spark Plug

  • Turn your key with confidence when you use a Champion Spark Plug
  • Maintains a stable operating temp under all engine loads

Bosch 9660 Iridium Spark Plug

  • OE design for optimum fit and function.
  • Center electrode is an ultra fine wire design.
  • Provides broader heat range to resist pre-ignition and fouling.

MSD – 3713 – Iridium Spark Plug

  • Plug Gap: 0.043″
Bosch OE Fine Wire Double Iridium Spark Plug
  • 9605
Bosch OE Fine Wire Iridium Spark Plug, 9659,
  • Duralast Official Brakes of NASCAR
  • Reliable stopping performance
  • Single layer steel shim for noise dampening
NGK 97287 Laser Iridium Spark Plug
  • Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
  • Corrugated Ribs Prevent Flashover
  • Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
ACDelco R45TSX Spark Plug
  • Black Onyx Coating helps prevent corrosion
  • Copper Core, the thermal properties of copper provide great heat transfer and increases plug durability
NGK 3951 Spark Plug
  • Sold in packs of 8
  • Genuine OEM NGK parts
  • NGK standard plugs are treated with corrosion-resistant plating to ensure ease of installation and removal
Champion 401 RS12YC Spark Plug
  • Copper Core Center Electrode: Allows for accurate control of heat range for longer life
  • Maximum Corrosion Resistance: Thanks to a Patented Ultraseal coated shell
Bosch 9608 | Spark Plug Iridium
  • Meets OEM requirements
  • Constructed with heat and ozone resistant EPDM rubber
  • Fiber is a
NGK 3689 Iridium IX Spark Plug
  • Tr6ix
Bosch Platinum Spark Plug 6747
  • Fine wire design provides better ignitability and performance
  • 360 Degree continuous laser welding to fuse the platinum firing pin for increased durability
NGK 7316 Iridium IX Spark Plug
  • You can depend on NGK for quality and reliability
  • Constructed from durable material
  • Fine Iridium tip ensures high durability
NGK Spark Plug
  • Solid copper core for greater spark
  • Longer insulator nose prevents fouling
  • Corrugated ribs on insulator prevents flashover
Motorcraft – SP405 – Spark Plug
  • Country of Origin: China
  • Package Dimensions: 8.636 H x 2.286 L x 3.048 W (centimeters)
  • Part number: SP-405
Bosch OE Fine Wire Double Platinum Spark Plug, 8113
  • Feature and Benefits: 360 degree continuous laser welding increases durability for increased life.
  • Feature and Benefits: Copper core provides broader heat range to resist pre-ignition and fouling.
Bosch OE Fine Wire Double Platinum Spark Plug, 8120
  • Fire up your engine every time you turn the key with a top-notch Bosch Spark Plug
  • Ultra-fine wire design and laser-welded tapered ground electrode ensure high performance
Motorcraft – SP450 – Spark Plug
  • Tested to Ford specifications for performance and emissions
  • Include continuous improvements
  • Resistant to oxidation and arc erosion
Autolite AP103 Platinum Spark Plug
  • High nickel alloy side electrode maintains precise gap
  • Platinum plugs feature a center wire platinum firing tip
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy
Champion 304 Spark Plug
  • Turn your key with confidence when you use a Champion Spark Plug
  • Maintains a stable operating temp under all engine loads
Bosch 9660 Iridium Spark Plug
  • OE design for optimum fit and function.
  • Center electrode is an ultra fine wire design.
  • Provides broader heat range to resist pre-ignition and fouling.
MSD – 3713 – Iridium Spark Plug
  • Plug Gap: 0.043″

1. Bosch OE Fine Wire Double Iridium Spark Plug

Bosch OE Fine Wire Double Iridium Spark Plug

  • 9605

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2. Bosch OE Fine Wire Iridium Spark Plug, 9659,

Bosch OE Fine Wire Iridium Spark Plug, 9659,

  • Duralast Official Brakes of NASCAR
  • Reliable stopping performance
  • Single layer steel shim for noise dampening

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Sold By Price
Amazon.com
eBay
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Home Depot

Product Details

Specifications

Details
Vehicle 1979 Buick Century 6 Cylinders 2 3.8L 2BL OHV
Vehicle 1979 Buick Regal 6 Cylinders 2 3.8L 2BL OHV
Vehicle 1979 Buick Century 6 Cylinders C 3.2L 2BL OHV
Vehicle 1975 Buick Apollo 6 Cylinders D 4.1L 1BL OHV
Vehicle 1977 Ford Granada 8 Cylinders F 5.0L 2BL OHV

3. NGK 97287 Laser Iridium Spark Plug

NGK 97287 Laser Iridium Spark Plug

  • Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
  • Corrugated Ribs Prevent Flashover
  • Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
  • Copper Core Aids in Heat Removal
  • Triple Seals Prevent Leakage

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eBay
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Product Details

Specifications

Details
Vehicle 1991 Ford Taurus 4 Cylinders D 2.5L TBI OHV
Vehicle 1991 Ford Tempo 4 Cylinders S 2.3L MFI OHV HP
Vehicle 1991 Ford Tempo 4 Cylinders X 2.3L MFI OHV
Vehicle 2007 Ford Freestyle 2WD 6 Cylinders 1 3.0L FI DOHC
Vehicle 1983 Ford LTD 6 Cylinders 3 3.8L 2BL OHV

4. ACDelco R45TSX Spark Plug

ACDelco R45TSX Spark Plug

  • Black Onyx Coating helps prevent corrosion
  • Copper Core, the thermal properties of copper provide great heat transfer and increases plug durability
  • Ribbed Suppressor Seal, which extends resistance and prevents spark ‘flash over’ and misfire
  • Nickel-chrome alloy sheathing to help prevent corrosion on center electrode
  • Available for use in Marine applications

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Summit Racing

Product Details

Specifications

Details
Part Type Spark Plugs
Spark Plug Thread Size 14mm
Spark Plug Reach (in.) 0.433 in.
Spark Plug Reach (mm) 11.00mm
Shorty Spark Plug No

Reviews From Real Customers

rassr
Gab14
Dwaun

5. NGK 3951 Spark Plug

NGK 3951 Spark Plug

  • Sold in packs of 8
  • Genuine OEM NGK parts
  • NGK standard plugs are treated with corrosion-resistant plating to ensure ease of installation and removal

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Walmart – Buckeye Tool Supply
Opentip.com

Product Details

Specifications

Details
Electrode Type Standard
Electrode Core Material Nickel
Electrode Tip Material Nickel
Insulator Type Projected
Thread Size (IN) 0.551 Inch

Reviews From Real Customers

Chevywrencher
steve
jbw22010

6. Champion 401 RS12YC Spark Plug

Champion 401 RS12YC Spark Plug

  • Copper Core Center Electrode: Allows for accurate control of heat range for longer life
  • Maximum Corrosion Resistance: Thanks to a Patented Ultraseal coated shell
  • Dependable and Durable: Built to ISO and SAE standards for proven performance
  • Maximum EMI & RFI Suppression: Patented SAC-9 semi-conductor resistor for ultimate suppression
  • Compatible with the Following Applications: Automotive, Commercial, Small Engine, Marine

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Product Details

Specifications

Details
Item has MSDS (SDS)? N
Packaging Depth 0.99 IN
Packaging Height 3.75 IN
Packaging Width 0.925 IN
Package Weight 0.106

7. Bosch 9608 | Spark Plug Iridium

Bosch 9608 | Spark Plug Iridium

  • Meets OEM requirements
  • Constructed with heat and ozone resistant EPDM rubber
  • Fiber is a

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Product Details

Specifications

Details
Vehicle 2014 Ford E-250 8 Cylinders W 4.6L MFI FFV SOHC

Reviews From Real Customers

Yvan

8. NGK 3689 Iridium IX Spark Plug

NGK 3689 Iridium IX Spark Plug

  • Tr6ix

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9. Bosch Platinum Spark Plug 6747

Bosch Platinum Spark Plug 6747

  • Fine wire design provides better ignitability and performance
  • 360 Degree continuous laser welding to fuse the platinum firing pin for increased durability
  • Original equipment, pre-gapped replacement delivering optimum fit, form and function

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Product Details

Specifications

Details
Vehicle 1983 Mercury LN7 4 Cylinders 4 1.6L 2BL SOHC HP
Vehicle 1990 Ford Taurus 4 Cylinders D 2.5L TBI OHV
Vehicle 1985 Mercury Topaz 4 Cylinders S 2.3L TBI OHV HP
Vehicle 2006 Ford Escape 2WD 6 Cylinders 1 3.0L FI DOHC
Vehicle 1998 Ford Taurus 6 Cylinders 2 3.0L MFI FFV OHV

Reviews From Real Customers

Corben
Trrdster
Tawnya

10. NGK 7316 Iridium IX Spark Plug

NGK 7316 Iridium IX Spark Plug

  • You can depend on NGK for quality and reliability
  • Constructed from durable material
  • Fine Iridium tip ensures high durability
  • Features superior anti-corrosion and anti-seizing properties
  • Iridium alloy has extremely high melting point, perfect for todayâ€s high-tech, high-performance engines

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Specifications

Details
Vehicle 1995 GMC Sonoma 2WD 4 Cylinders 4 2.2L FI OHV
Vehicle 1997 Pontiac Sunfire 4 Cylinders 4 2.2L FI OHV
Vehicle 1997 Mercury Tracer 4 Cylinders P 2.0L FI SOHC
Vehicle 1998 Ford Escort 4 Cylinders P 2.0L FI SOHC
Vehicle 2001 Ford Focus 4 Cylinders P 2.0L FI SOHC

Reviews From Real Customers

TheBatpunk!
OSCAR
PETER

11. NGK Spark Plug

NGK Spark Plug

  • G-Power Platinum Alloy Spark Plugs Offer Superior Performance With Improved Fuel Efficiency, Lower Emissions, And Quicker Starts
  • 0.6Mm Laser Welded Fine Platinum Tip Reduces Required Voltage Ensuring High Durability And A Consistently Stable Spark
  • Platinum Alloy Ground And Center Electrode For Greater Spark While Ensuring Precise Gap During The Life Of The Plug
  • Trivalent Metal Plating Offers Superior Anti-Corrosion And Anti-Seizing Properties While The Triple Gasket Seal Eliminates Combustion Gas Leakage

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Details
Vehicle 1996 Chevrolet Beretta 4 Cylinders 4 2.2L FI OHV
Vehicle 1996 Chevrolet Corsica 4 Cylinders 4 2.2L FI OHV
Vehicle 1997 GMC Sonoma 2WD 4 Cylinders 4 2.2L FI OHV
Vehicle 1997 Chevrolet Cavalier 4 Cylinders 4 2.2L FI OHV
Vehicle 1995 Ford Escort 4 Cylinders J 1.9L FI SOHC

12. Motorcraft – SP405 – Spark Plug

Motorcraft - SP405 - Spark Plug

  • Country of Origin: China
  • Package Dimensions: 8.636 H x 2.286 L x 3.048 W (centimeters)
  • Part number: SP-405
  • Fit type: Vehicle Specific

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FinditParts.com

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PETE
AIDAN

13. Bosch OE Fine Wire Double Platinum Spark Plug, 8113

Bosch OE Fine Wire Double Platinum Spark Plug, 8113

  • Feature and Benefits: 360 degree continuous laser welding increases durability for increased life.
  • Feature and Benefits: Copper core provides broader heat range to resist pre-ignition and fouling.
  • Feature and Benefits: …

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Details
Vehicle 2000 Ford Ranger 2WD 6 Cylinders U 3.0L MFI OHV
Vehicle 2000 Ford Ranger 4WD 6 Cylinders U 3.0L MFI OHV
Vehicle 2004 Ford Ranger 2WD 6 Cylinders U 3.0L MFI OHV
Vehicle 2005 Ford Ranger 2WD 6 Cylinders U 3.0L MFI OHV
Vehicle 2005 Ford Ranger 4WD 6 Cylinders U 3.0L MFI OHV

Reviews From Real Customers

Faq up
dan

14. Bosch OE Fine Wire Double Platinum Spark Plug, 8120

Bosch OE Fine Wire Double Platinum Spark Plug, 8120

  • Fire up your engine every time you turn the key with a top-notch Bosch Spark Plug
  • Ultra-fine wire design and laser-welded tapered ground electrode ensure high performance
  • Long lifespan guaranteed by center and ground electrodes
  • Ideal for use in cars with modified engines, as well as some motorcycles
  • Choose between iridium, platinum and copper-based electrodes

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Vehicle 1993 Chevrolet Lumina 4 Cylinders 4 2.2L FI OHV
Vehicle 1994 Buick Century 4 Cylinders 4 2.2L FI OHV
Vehicle 1995 Buick Century 4 Cylinders 4 2.2L FI OHV
Vehicle 1995 Pontiac Sunfire 4 Cylinders 4 2.2L FI OHV
Vehicle 1996 Chevrolet Beretta 4 Cylinders 4 2.2L FI OHV

15. Motorcraft – SP450 – Spark Plug

Motorcraft - SP450 - Spark Plug

  • Tested to Ford specifications for performance and emissions
  • Include continuous improvements
  • Resistant to oxidation and arc erosion
  • Multi-rib insulator protects against misfire

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Levittown Ford Parts
Autoplicity.com

Product Details

Specifications

Details
Center Electrode Core Material Copper
Center Electrode Tip Material Inconel
Ground Electrode Tip Material Nickel Alloy
Insulator Material Standard
Insulator Type Non-Projected

Reviews From Real Customers

Ford Dude!!
Anthony C.

16. NGK 3689 – IX Iridium Spark Plug Box of 4 (TR6IX)

NGK 3689 - IX Iridium Spark Plug Box of 4 (TR6IX)

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Details
Weight 0.4 lb

17. Autolite AP103 Platinum Spark Plug

Autolite AP103 Platinum Spark Plug

  • High nickel alloy side electrode maintains precise gap
  • Platinum plugs feature a center wire platinum firing tip
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy
  • Full platinum tip assures virtually no gap erosion

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Specifications

Details
Item has MSDS (SDS)? N
Item is Shipped at this Packaging Level N
Information Effective Date 2010-03-10
Packaging Depth 1 IN
Packaging Height 3.38 IN

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Fossof
Double G

18. Champion 304 Spark Plug

Champion 304 Spark Plug

  • Turn your key with confidence when you use a Champion Spark Plug
  • Maintains a stable operating temp under all engine loads
  • Choose from Champion Iridium Spark Plugs, Double Platinum Power, Platinum Power and Copper Plus

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Weight 0.09 lb

19. Bosch 9660 Iridium Spark Plug

Bosch 9660 Iridium Spark Plug

  • OE design for optimum fit and function.
  • Center electrode is an ultra fine wire design.
  • Provides broader heat range to resist pre-ignition and fouling.
  • Delivers exceptional ignitability and performance.
  • Tapered shape ground electrode.

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20. MSD – 3713 – Iridium Spark Plug

MSD - 3713 - Iridium Spark Plug

  • Plug Gap: 0.043″

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Holley
Tick Performance
Turbo Nasty
Etektuning

Product Details

Specifications

Details
Length 0.9 in
Height 3.3 in
Width 0.9 in
Weight 0.09 lb

Conclusion

The conclusion of spark plugs for mercury grand marquis is that they are an essential part of the car and need to be replaced regularly.

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