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1989 Mercury Grand Marquis Spark Plug
Your 1989 Mercury Grand Marquis might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Spark Plug product you desperately need.
We currently carry 16 Spark Plug products to choose from for your 1989 Mercury Grand Marquis, and our inventory prices range from as little as $2.49 up to $12.99.
On top of low prices, Advance Auto Parts offers 6 different trusted brands of Spark Plug products for the 1989 Mercury Grand Marquis. We only sell parts from trusted brands like Denso so that you can find quality parts you can count on.
Don’t take our word for it - check out customer ratings and reviews to buy with confidence. We have 448 reviews on our Spark Plug products for the 1989 Mercury Grand Marquis from previous customers.
Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Spark Plug stock in-person!
Spark Plug for Your 1989 Mercury Grand Marquis
Search through our amazing selection of Spark Plug products for your 1989 Mercury Grand Marquis to find exactly what you’re looking for. Compare prices and reviews to choose the best part for you.
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NGK - Iridium IX Spark Plug (TR55-1IX) (Part No. 7316)
DescriptionNGK Iridium IX spark plugs are designed specifically for the performance enthusiast. Iridium IX spark plugs offer extreme ignitibility, improved throttle response and superior anti-fouling. The fine-wire iridium center electrode ensures high durability and a consistently stable spark. A special taper-cut ground electrode shape allows more area for faster flame expansion. Iridium alloy has an extremely high melting point, perfect for today's high-performance engines. Trivalent metal plating provides superior anti-corrosion and anti-seizing properties.
Product Features:- Fine wire Iridium center electrode ensures high durability and a consistently stable spark
- Iridium alloy has an extremely high melting point, perfect for today's high-performance engines
- Trivalent metal plating has superior anti-corrosion and anti-seizing properties
- Special taper-cut ground electrode shape to allow for more area for flame expansion
Read 3 review(s)Review snapshot ® by PowerReviews
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Worked perfect
Worked perfect
Submitted 2021-11-30
By Gio
From Methuen MA
Installed a new set on my element, car runs and drives perfect and even better than before.
Bottom Line recommended
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Yes I would buy this product again
Yes I would buy this product again
Submitted 2021-09-29
By John
From Undisclosed
These spark plugs are just what my car needed specially at 25% off.
Bottom Line NULL
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Buy again
Buy again
Submitted 2021-09-21
By BILL
From Undisclosed
OEM. Easy install ordered ahead
Bottom Line NULL
from $11.49
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NGK - G-Power Platinum Spark Plug (TR55-1GP) (Part No. 7159)
DescriptionNGK G-Power Platinum spark plugs are an economical upgrade option from traditional spark plugs. Fine wire platinum center electrode provides excellent performance and fuel efficiency. The small tip improves ignitibility, anti-fouling, quicker starts, and less voltage requirements to fire. Trapezoid shape ground electrode provides excellent flame reproduction. Trivalent metal plating has superior anti-corrosion and anti-seizing properties. NGK G-Power Platinum spark plugs are the best platinum spark plug at an economical cost.
Product Features:- Platinum Tip Center Electrode -the small tip improves ignitibility, anti fouling, quicker starts, improved fuel economy and less voltage requirements to fire
- Trapezoid shape ground electrode for excellent flame reproduction
- Trivalent metal plating has superior anti-corrosion and anti-seizing properties
- Best platinum spark plug at an economical cost
Read 3 review(s)Review snapshot ® by PowerReviews
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Good replacement wires
Good replacement wires
Submitted 2021-04-23
By dave
From Undisclosed
Easy install , Exact replacement. Good quality part
Bottom Line NULL
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Great product
Great product
Submitted 2018-04-06
By Zachary
From undisclosed
Way better performance and great gas mileage
Bottom Line NULL
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Id buy them again
Id buy them again
Submitted 2018-01-19
By Tony
From undisclosed
I had these on my Yamaha and they worked great thought id try em on my car
Bottom Line NULL
from $5.49
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Autolite - Copper Resistor Spark Plug (Part No. 2545)
DescriptionAutolite® Copper Spark Plugs are manufactured to deliver quick starts, improved fuel economy and smooth acceleration. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provid es the automotive aftermarket and Original Equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.Read 3 review(s)Review snapshot ® by PowerReviews
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Got the job done
Got the job done
Submitted 2020-09-10
By Wilson
From Undisclosed
fast service and code also is very helpful
Bottom Line NULL
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I will buy these Spark Plugs again
I will buy these Spark Plugs again
Submitted 2020-05-11
By Oscar
From Undisclosed
I like this product.
Bottom Line NULL
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great plugs
great plugs
Submitted 2014-08-17
By BILLY
From MAYFIELD KY
great plugs at this pricepoint
Bottom Line recommended
from $3.49
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Autolite - Single Platinum Spark Plug (Part No. AP5145)
DescriptionAutolite® Platinum Spark Plugs are manufactured to deliver greater durability compared to standard copper plugs. Autolite® Platinum Spark Plugs provide easier starts, quicker acceleration, and improved fuel economy. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs.Read 3 review(s)Review snapshot ® by PowerReviews
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as usual 5 stares
as usual 5 stares
Submitted 2019-09-10
By Justin
From Undisclosed
great price
Bottom Line NULL
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Great plugs.
Great plugs.
Submitted 2018-02-18
By charles
From undisclosed
Great plugs.
Bottom Line NULL
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all matched orgional
all matched orgional
Submitted 2014-07-01
By TW
From Newton NC
they fixed my problem
Bottom Line recommended
from $3.99
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Motorcraft - Spark Plug (AWSF44C) (Part No. SP-409)
DescriptionMotorcraft spark plugs are designed, engineered and recommended by Ford Motor Company.
Product Features:- Same part installed when the engine rolled off the assembly line
- 30,000-mile service interval
- Copper core electrode and nickel chromium alloy side electrode for excellent heat dissipation and durability.
- Resistor reduces radio frequency interference (RFI) and electrode erosion
- Copper-glass seal bonds insulator and terminal post center electrode together to ensure full required voltage at spark gap and a gas-tight seal
Read 3 review(s)Review snapshot ® by PowerReviews
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OEM replacements
OEM replacements
Submitted 2016-11-23
By Gene
From Chicago
Maintenance is priceless.
Bottom Line recommended
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Performed great on my restoration of my grandsons Mustang.
Performed great on my restoration of my grandsons Mustang.
Submitted 2016-08-11
By Swirvin Erv
From Parkers Lake, Ky.
One of many parts in restoring a Mustang for my grandson. The plugs performed great.
Bottom Line recommended
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Good value plugs
Good value plugs
Submitted 2013-05-14
By walter44
From Tampa, FL
My car is running like new!! These plugs are great!!!
Bottom Line recommended
from $2.49
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DENSO - Spark Plug Iridium TT (IT16TT) (Part No. 4713)
DescriptionDurability of an OE style plug combined with Power & Torque of high performance.
Product Features:- No-compromise, top of the line race spark plug for the most serious enthusiast.
- Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
- Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
- Wide range of part numbers for thousands of applications, including classic and collector cars
- Lasts twice as long as most conventional plugs
- Withstands temperatures greater than 4000° Fahrenheit
Read 3 review(s)Review snapshot ® by PowerReviews
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Ok, but started causing issues.
Ok, but started causing issues.
Submitted 2022-01-25
By Jake W
From Clover
After installing these plugs I have gained a engine knock when accelerating.
Bottom Line not recommended
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Yes
Yes
Submitted 2021-09-27
By Ricky
From Undisclosed
Work out great you can feel the difference and gas mpg great gain 4mpg
Bottom Line NULL
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100,000 miles, why not?
100,000 miles, why not?
Submitted 2021-07-10
By Jeff
From Undisclosed
Installed in 5.3L GMC Yukon 03. Pre gapped and accurate (verified each plug before installation) Nice Plugs
Bottom Line NULL
from $12.99
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DENSO - Spark Plug Iridium Power (IT16) (Part No. 5325)
DescriptionIncreased performance with World's smallest Iridium Center Electrode (0.4mm).
Product Features:- No-compromise, top of the line race spark plug for the most serious enthusiast.
- Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
- Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
- Wide range of part numbers for thousands of applications, including classic and collector cars
- Lasts twice as long as most conventional plugs
- Withstands temperatures greater than 4000° Fahrenheit
Read 3 review(s)Review snapshot ® by PowerReviews
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Yes I will buy this product again.
Yes I will buy this product again.
Submitted 2021-08-16
By Andy
From Lithonia, Ga
A tune up for my truck that is needed.
Bottom Line recommended
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Not bad
Not bad
Submitted 2021-04-25
By Rhett
From Undisclosed
Replaced the plugs in my 08 Impala. They seem to be working just fine.
Bottom Line NULL
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work well
work well
Submitted 2021-01-18
By Eddy
From Undisclosed
Nice product
Bottom Line NULL
from $11.79
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NGK - V-Power Spark Plug (TR55-1) (Part No. 2683)
DescriptionOriginal equipment manufacturer approved and an excellent upgrade from standard spark plugs, NGK V-Power spark plugs feature a special V-Groove center electrode and concave ground electrode to increase ignitibility by causing the spark to occur between the edges of the center electrode and ground electrode. The V-Groove center electrode also allows for more area for flame expansion. Trivalent metal plating has superior anti-corrosion and anti-seizing properties.
Product Features:- Original equipment manufacturer approved
- Trivalent metal plating has superior anti-corrosion and anti-seizing properties
- Increased fuel economy and lower emissions
- Highly durable against electrical and chemical wear
Read 3 review(s)Review snapshot ® by PowerReviews
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I will be purchasing these spark plugs again
I will be purchasing these spark plugs again
Submitted 2021-12-24
By Rob
From Port St. Lucie Florida
I needed a top quality colder running spark plug for my 06 supercharged v6 Mustang
Bottom Line recommended
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Would buy again
Would buy again
Submitted 2021-03-27
By Shawn
From Undisclosed
The part was a good replacement.
Bottom Line NULL
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Yes
Yes
Submitted 2021-01-16
By brian
From Undisclosed
Good product
Bottom Line NULL
from $3.99
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Motorcraft - Spark Plug (AGSF44FM) (Part No. SP-482)
DescriptionThe only parts recommended by Ford Motor Company for Ford, Lincoln, and Mercury vehicles.
Product Features:- Same spark plugs that were installed when the engine left the assembly line, Spark plugs are matched to the engine for optimum engine performance. Spark plug designs include continuous improvements, Resist oxidation and arc erosion, Multi-rib insulator pr
- Fine-Wire Double Platinum features Platinum pad on both electrodes. Extended service intervals (on all except Nickel and Standard Copper Core plugs), Proprietary platinum pad on side wire electrode (on Platinum-Iridium and Fine-Wire Double Platinum plugs)
- High-Strength Steel High Thread spark plugs for 3-valve Triton engines redesigned: New, high-strength steel shell, Nickel-plated shell for corrosion resistance, Scavenger area allows for more carbon build-up before misfires occur, Full ground strap helps
- Long Service Intervals: 100,000 mile service interval, High-Strength Steel High Thread, Platinum-Iridium, Fine-Wire Double Platinum, 60,000-100,000 mile service interval, Up to 60,000 mile service interval: Nickel, Standard Copper Core.
Read 3 review(s)Review snapshot ® by PowerReviews
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Check the factory gap
Check the factory gap
Submitted 2021-05-17
By S.
From Undisclosed
Supposedly pre gapped at .54 for my 95 mustang 3.8L but they were set at .44.
Bottom Line NULL
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Factory
Factory
Submitted 2019-06-12
By Mark
From Undisclosed
OEM 06 must8
Bottom Line NULL
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Great Plug
Great Plug
Submitted 2016-12-10
By Gary
From Fla.
Great plug but check your gap
Bottom Line recommended
from $5.49
View Product -
Autolite - Double Platinum Spark Plug (Part No. APP5145)
DescriptionAutolite® Double Platinum Spark Plugs are a premium plug providing superior performance and platinum-to-platinum firing for a longer lasting spark plug. Autolite® Double Platinum Spark Plugs are engineered to provide easier starts, quicker acceleration and improved fuel efficiency. Autolite® spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading suppl ier of spark plugs.from $5.99
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Champion - Copper Plus- Boxed - RS14LC (Part No. 407)
DescriptionDependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Product Features:- Copper Plus - Dependable Performance.
- Copper core center electrode allows for accurate control of heat range for longer life
- Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance
- Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
- Built to ISO and SAE standards for proven performance
from $2.49
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Motorcraft - Spark Plug (AWSF44CA) (Part No. SP-409-A)
from $3.49
View Product -
Motorcraft - SPARK PLUG (Part No. SP-482-X)
from $6.49
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Bosch - OE Finewire Platinum Spark Plug (Part No. F1000420685BOS)
Description2X longer service life compared to standard copper plugs Bosch Platinum Spark Plugs are the newest member of our OE fine wire spark plug family. From the brand trusted in the world's most advanced engines, Bosch Platinum Spark Plugs are engineered to provide you with improved ignitability and performance.
Product Features:- OE design for optimum fit and function
- Fine wire design delivers improved ignitability and performance life
- Center electrode is an ultra fine wire design.
- Copper core provides broader heat range to resist pre-ignition
- Tapered shape ground electrode reduces flame shrouding for improved combustion
- Yttrium enhanced to resist wear
- Nickel-plated shell with rolled threads
- Ribbed insulator design
from $6.08
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DENSO - Standard U-Groove Spark Plug (Part No. F100036766ND)
DescriptionDenso Spark Plug Denso's standard plugs have always offered a patented U-groove ground electrode producing for a larger, hotter spark. Copper core for better thermal conductivity. Machine rolled threads to reduce cross-threading and seizing . The plug insulator is constructed of purified alumina powder for extreme stress with 5 ribs to prevent flashover.
Product Features:- U-Groove Ground Electrode Promotes Ignitability and Decreases Quenching
- Fully Projected Insulator Reduces Carbon Fouling
- Machine Rolled Threads Prevent Seizing or Cross Threading During Installation and Removal
- 100% Pre-Fired to Assure the Highest Quality Possible
- Purified Alumina Powder Insulator Provides Exceptional Strength and Thermal Conductivity
- Five Rib Insulator Prevents Flashover
- Copper-Glass Seal Bonds Center Electrode and Insulator for a Gas-Tight Seal
from $3.09
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Motorcraft - Spark Plug (Part No. F10001357169MTR)
DescriptionMotorcraft Original Equipment Copper Core spark plugs are designed, engineered and recommended by Ford Motor Company.
Product Features:- Same part installed when the engine rolled off the assembly line
- Designed to deliver quick starts, enhanced fuel economy and smooth acceleration
from $3.04
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FAQs for 1989 Mercury Grand Marquis Spark Plug Products
What are the most popular 1989 Mercury Grand Marquis Spark Plug products?
Replacing your Spark Plug on your 1989 Mercury Grand Marquis? Find our most popular parts below:What are the top-rated 1989 Mercury Grand Marquis Spark Plug products?
Top-rated Spark Plug products for your 1989 Mercury Grand Marquis based on customer reviews/ratings are: