1985 Mercury Grand Marquis Spark Plugs
More 1985 Mercury Grand Marquis Spark Plugs
Find your specific 1985 Mercury Grand Marquis original or aftermarket Spark Plugs below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 1985 Mercury Grand Marquis Spark Plugs
Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP104)
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$4.79
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance.
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Product Features:
- High nickel alloy side electrode maintains precise gap
- Full platinum tip assures virtually no gap erosion for long life
- Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
ACDelco – Double Platinum Spark Plug: Original Equipment Replacement (Part No.41-950)
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$9.79
ACDelco GM Original Equipment Double Platinum Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. ACDelco GM Original Equipment parts are the true OE parts installed during the production or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.
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Product Features:
- One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life
- Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
- Copper Core: Designed with a copper core to provide excellent heat transfer and electrical conductivity.
- Conical Seat Type: Equipped with a conical seat type for a secure fit and optimal performance.
Motorcraft – Spark Plug (ASF42CF4) (Part No.SP-450-A)
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$6.79
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles engineered to meet strict Ford engineering standards to provide original equipment performance and reliability. Delivering performance, reliability and confidence, Motorcraft spa
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Product Features:
- Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
- Backed by Motorcraft’s Service Parts Warranty
- Exact fit for Ford, Lincoln and Mercury vehicles
- Resistant to oxidation and arc erosion.
- Multi-rib insulator protects against misfire.
- Service intervals of up to 100,000 miles.
- Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
- Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
- Motorcraft ignition components help prevent false check engine lights.
Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP26)
from
$4.79
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance.
Product Features:
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Product Features:
- High nickel alloy side electrode maintains precise gap
- Full platinum tip assures virtually no gap erosion for long life
- Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
ACDelco – Copper Core Spark Plug: Original Equipment Replacement (Part No.CR43TS)
from
$4.99
ACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.
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Product Features:
- Black Onyx coating helps reduce corrosion
- Copper core provides great heat transfer and helps maximize plug durability
- Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
- Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
- Available for use in Marine applications
- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
- ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
- High-Quality Copper Core: ACDelco Professional Conventional Spark Plugs feature high-quality copper cores, ensuring reliable performance and efficient operation.
- Nickel Center Electrode Tip: Designed with a nickel center electrode tip, these spark plugs provide durability and consistent performance.
- Outstanding Suppression Characteristics: These spark plugs offer excellent suppression characteristics, contributing to their reliable performance in various driving conditions.
- Premium Aftermarket Replacement: Manufactured to meet expectations for fit, form, and function, these spark plugs serve as a high-quality replacement for many vehicles on the road today.
Champion – Iridium Spark Plug: Maximum Performance, OE Replacement, RS14WLPB5 (Part No.9402)
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$8.29
Champion Iridium – the ultimate element. This spark plug’s fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.
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Product Features:
- Champion Iridium – Maximum Performance. Premium Spark Plug
- Iridium center electrode delivers maximum life
- Fine-wire center electrode and V-trimmed for greater ignitability
- V-trimmed ground electrode promotes sharper spark focus
- Maintains stable operating temperature under all engine loads
- Heat-Active alloy allows electrodes to reach optimal temperature quickly
DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, ITF16TT (Part No.4715)
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$10.99
Durability of an OE style plug combined with Power & Torque of high performance.
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Product Features:
- 0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
- 0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
- DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
- DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
- Durability of an OE style plug combined with Power & Torque of high performance.
- Withstands temperatures greater than 4000┬░ Fahrenheit
- Iridium TT
- Ultimate Endurance and Power: The DENSO Iridium TT Spark Plug features a 0.7mm Iridium Tip, ensuring over 100,000 miles of uncompromised performance.
- Advanced Twin-Tip Technology: Developed from Original Equipment Specification Super Ignition Plug (SIP) design, combining a Fine Wire Iridium Center Electrode with a Needle Tip Platinum Ground Electrode.
- Enhanced Fuel Economy and Lower Emissions: Drive around the Earth over 4 times with improved fuel efficiency and reduced emissions.
- Premium Materials: Features an Iridium Center Electrode Tip and a Tapered Seat Type for optimal performance and durability.
ACDelco – Copper Core Spark Plug: Original Equipment Replacement (Part No.R45TS)
from
$4.99
ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.
Product Features:
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Product Features:
- GM regularly updates production and service part designs to integrate new materials and technologies
- High-Quality Copper Core: Designed with high-quality copper cores for reliable and efficient performance.
- Nickel Center Electrode Tip: Features a nickel center electrode tip for enhanced durability and performance.
- Outstanding Suppression Characteristics: Delivers reliable performance with excellent suppression characteristics.
- Versatile Applications: Providing high-quality replacement options for various vehicles.
Champion – Double Platinum & Power Spark Plug Exceptional Perf OE Replacement RS14ZPYPB (Part No.7407)
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$6.29
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- Platinum center and ground electrode for greater wear resistance
Dorman – Help – Spark Plug Non-Foulers – 14mm Tapered Seat (Part No.42006)
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$6.99
This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.
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Product Features:
- Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles
- Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
- Durable construction – made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
MSD Ignition – Wire Set; Super Conductor; Multi-Angle Plug; HEI Cap (Part No.31189)
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$129.99
For engines with late-model type (HEI spark plug top) distributor caps. Multi-angle boots and terminals installed on one end. 90 degree distributor boots and terminals included.
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Product Features:
- Extra Long 8.5mm Wires So You Can Cut To Your Designed Length
- Distributor Cap – Boots and Terminals Included
- Includes Mini-Stripper-Crimper For Factory Style Crimps
- Size Includes [8] 90 Degree Boots/Terminal Ends
- Durable outer sleeve is a proprietary compound for resistance to high heat or abrasion
- Stainless steel terminals feature dual crimp tabs to grip wire conductor and outer jacket separately
Accel – 8.8Mm Spiral Universal Fit (Part No.8033)
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$153.99
These ACCEL 8.8mm wires feature a carbon/graphite core that virtually eliminate RFI noise while providing maximum conductivity for ultimate performance in any race or street application. Double silicon insulation eliminates leakage and misfire.
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Product Features:
- 500 Ohms/ft Of Resistance
- 550 F Rated Silicone Jacket
- Stainless Steel Plug Terminals
- Custom-fit Universal And Import Coverage
- Pre And Post HEI Vehicles
- Magnetic Suppression
- Fiberglass/Kevlar Core
- 500 Ohms Resistance
MSD Ignition – Wire Set; Super Conductor; 8-cyl. Multi-Angle Plug; Socket/HEI (Part No.31199)
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$129.99
Set includes terminals for engines with early type (socket) and late type (HEI spark plug top) distributor caps. 90 degree boots and terminals factory installed on one end.
Product Features:
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Product Features:
- Extra Long 8.5mm Wires So You Can Cut To Your Designed Length
- Incl. both socket-style and spark plug-style boots and terminals
- Includes Mini-Stripper-Crimper For Factory Style Crimps
- Size Includes: [2]48/50/56 in./[3] 32 in. Wires/Boots/Terminals
- Durable outer sleeve is a proprietary compound for resistance to high heat or abrasion
- Stainless steel terminals feature dual crimp tabs to grip wire conductor and outer jacket separately
Popular 1985 Mercury Grand Marquis Spark Plugs Categories
1985 Mercury Grand Marquis Spark Plugs
Maybe you’re in the middle of a full rebuild of that 1985 Mercury Grand Marquis. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 25 different Spark Plugs in our inventory ranging from $2.79 to $153.99. That means you can find the exact parts or products you need to keep that 1985 Mercury Grand Marquis running smoothly.
Spark Plugs are only as good as their brand. We stock 10 different brands to make sure you have plenty of trusted parts to choose from for your 1985 Mercury Grand Marquis. ACDelco, E3, and Autolite are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!
We know you’ll find the perfect Spark Plugs for your 1985 Mercury Grand Marquis, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 742 reviews in this category, some of the top rated parts include High-Performance Shorty Spark Plugs for Header Clearance with 4.9 stars and OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, UR45 with 5.0 stars.
So if you’re in the market for aftermarket Spark Plugs to keep your 1985 Mercury Grand Marquis rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!
Spark Plugs Brands To Make Your 1985 Mercury Grand Marquis Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 1985 Mercury Grand Marquis demands trusted brand parts and products to keep it running. Many trusted brands of Spark Plugs make up Advance Auto Parts’ inventory, and all are ready to help make your Grand Marquis the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.
Popular Champion Spark Plugs
We carry Champion parts in our stock across Spark Plugs categories, plus more. For a 1985 Mercury Grand Marquis, our most popular Champion Spark Plugs include:
Top 1985 Mercury Grand Marquis Spark Plugs from E3
E3 products are another trusted brand when it comes to Spark Plugs for your 1985 Mercury Grand Marquis. Popular E3 parts include:
FAQs for 1985 Mercury Grand Marquis Spark Plugs
What are the most purchased Spark Plugs for the 1985 Mercury Grand Marquis?
Out of 25 Spark Plugs for the 1985 Mercury Grand Marquis, the most popular in our inventory are:
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$3.49
(16)
Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration
Spark Plugs
What are the top-rated 1985 Mercury Grand Marquis Spark Plugs?
Top-rated Spark Plugs for your 1985 Mercury Grand Marquis based on customer reviews/ratings are:
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$52.99
(36)
High-Performance Shorty Spark Plugs for Header Clearance
“Perfect great plugs for my Build. Great service to THANK YOU!”
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$6.49
(5)
Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life
“Way better than coppers”
