1991 Ford Mustang Spark Plugs
More 1991 Ford Mustang Spark Plugs
Find your specific 1991 Ford Mustang 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 1991 Ford Mustang Spark Plugs
Accel – 8Mm Super Stock Copper Uni (Part No.4038B)
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$72.99
These ACCEL Super Stock wire sets are a true performance upgrade replacement for OE types. Efficient delivery of spark energy for a good price. Silicone boots with zinc-plated steel terminals.
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Product Features:
- Tinned copper core allows virtually no resistance
- Great for points and magneto
- 450 Degree Wire Temperature Rating
- Meets Or Exceeds OE Boot Temperature Rating
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 – Universal Fit Super Stock 8mm Suppression; Spark Plug Wire Set (Part No.4040)
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$63.99
These ACCEL wire sets are a true performance upgrade replacement for OE types. Efficient delivery of spark energy for a good price. Silicone boots with black wire contain zinc-plated steel terminals. Noise suppression core. Set contains 8 plug wires with coil lead.
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Product Features:
- 7mm And 8mm High Gloss Silicone Jacket
- 450° F Rated Silicone Jacket
- Stainless Steel Plug Terminals
- RFI Suppression For Street Driven Applications
- Custom-fit Universal And Import Coverage
- High-strength Fiberglass Braid Construction
Accel – Universal Fit Super Stock 8mm Suppression; Spark Plug Wire Set (Part No.4040R)
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$65.99
These ACCEL wire sets are a true performance upgrade replacement for OE types. Efficient delivery of spark energy for a good price. Silicone boots with black wire contain zinc-plated steel terminals. Noise suppression core. Set contains 8 plug wires with coil lead.
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Product Features:
- 7mm And 8mm High Gloss Silicone Jacket
- 450° F Rated Silicone Jacket
- Stainless Steel Plug Terminals
- RFI Suppression For Street Driven Applications
- Custom-fit Universal And Import Coverage
- High-strength Fiberglass Braid Construction
- Pre And Post HEI Vehicles
MSD Ignition – Wire Set; Red Super Conductor; Ford 4.6L/5.4L; Universal (Part No.31889)
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$290.99
For Ford fans, these wires are designed for Ford Modular engines.
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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 Terminals/Boots For Spark Plugs
Motorcraft – SPARK PLUG (Part No.SP-419-X)
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$2.99
SPARK PLUG
Motorcraft – Platinum Spark Plug: Enhances Durability & Reduces Fuel Consumption (Part No.SP-471)
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$7.29
Engineered to meet strict Ford engineering standards, these spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. With a platinum center and ground electrode tip, they are resistant to oxidation and arc erosion, ensuring long-lasting performance. The multi-rib insulator protects against misfire, and they are backed by Motorcraft’s Service Parts Warranty. Designed for exact fit in Ford, Lincoln, and Mercury vehicles, these spark plugs offer service intervals of up to 100,000 miles and help prevent false check engine lights, providing reliable performance for almost any application.
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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.
- Reduces Fuel Consumption: Specifically matched to engines to optimize fuel efficiency, these spark plugs help reduce fuel consumption, contributing to cost savings and environmental benefits.
Motorcraft – Double Platinum Spark Plug: Reduces Fuel Consumption & Misfires (Part No.SP-482)
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$5.49
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles, engineered to meet strict Ford engineering standards for performance and reliability. These spark plugs are matched to specific engines to enhance durability, eliminate misfires, reduce fuel consumption, and optimize emissions. With a platinum center and ground electrode tip, they are resistant to oxidation and arc erosion, ensuring long-lasting performance. The multi-rib insulator protects against misfires, and they are backed by Motorcraft’s Service Parts Warranty. Designed for exact fit in Ford, Lincoln, and Mercury vehicles, these spark plugs also help prevent false check engine lights and offer service intervals of up to 100,000 miles. Crafted with high-quality materials, Motorcraft Spark Plugs provide reliable performance for a broad range of applications, including domestic and import cars and trucks of all makes and sizes.
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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.
- Engineered for Ford Vehicles: Motorcraft Double Platinum Spark Plugs are original equipment on Ford Motor Company vehicles, ensuring a perfect fit and optimal performance for Ford, Lincoln, and Mercury models.
NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, LTR6IX (Part No.94374)
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$11.49
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
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Product Features:
- SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
- TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
- Outstanding Acceleration and High Fuel Efficiency: NGK Iridium IX spark plugs are engineered to deliver superior acceleration and enhance fuel efficiency, making them ideal for performance enthusiasts.
- Extreme Ignitability and Anti-Fouling: These spark plugs offer exceptional ignitability and are designed to resist fouling, ensuring reliable performance in various driving conditions.
- Improved Starting, Idling, and Throttle Response: The tapered cut ground electrode design enhances starting, idling, and throttle response, contributing to a smoother driving experience.
Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP5143)
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$6.49
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite continues to set the standard in spark plug technology. Designed and engineered in the USA, these spark plugs feature platinum-to-platinum firing, virtually eliminating gap erosion and reducing misfires. The OE design and full-platinum tips on both the center and side electrodes ensure reduced gap wear, optimizing engine performance for a longer life and improved fuel economy. The platinum ball welding process provides a consistent point of contact for enhanced adhesion, making these spark plugs a reliable choice for superior durability.
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Product Features:
- Works to optimize engine performance for a longer life and improved fuel economy
- OE design
- Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
- Platinum ball welding process provides a consistent point of contact for enhanced adhesion
- Platinum-to-Platinum Firing: Virtually eliminates gap erosion and reduces misfires, ensuring consistent engine performance.
- Engineered in the USA: Designed and engineered with over 100 years of expertise, ensuring high-quality and reliable performance.
- Proven Track Record: With more than 11 billion plugs sold, Autolite continues to set the standard in spark plug technology.
ACDelco – Conventional Nickel Tip Copper Core Spark Plug: Reliable Performance (Part No.R83TS)
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$3.79
ACDelco Gold (Professional) Conventional Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These Conventional Spark Plugs are designed for reliability and efficient performance, and are the high quality replacements 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 Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.
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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 Gold parts may have formerly appeared as ACDelco Professional
- Premium aftermarket replacement part
- Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
- Nickel Alloy Electrode Tip: Designed with a nickel alloy center electrode tip, these spark plugs provide enhanced durability and consistent performance.
- Outstanding Suppression Characteristics: These spark plugs offer excellent suppression characteristics, contributing to the overall reliability and efficiency of your vehicle’s engine.
DENSO – U-Groove Spark Plug: OE Performance, lasts 30K+ Miles, T20EPR-U (Part No.5032)
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$2.79
U-Groove design provides better ignitability for increased engine efficiency.
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Product Features:
- 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
- 100% pre-fired to assure reliable operation
- U-Groove Conventional
Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.666)
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$3.49
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite continues to set the standard in spark plug technology. Designed and engineered in the USA, these spark plugs feature a copper-glass seal that bonds the insulator, terminal post, and center electrode together, ensuring full required voltage at the spark gap with a 100% leak-proof, gas-tight seal. The multi-rib insulator reduces the risk of flash-over, while the one-piece terminal post adds strength and durability. Additionally, the built-in resistor minimizes radio frequency interference (RFI) and electrode erosion, making these plugs a reliable choice for any vehicle. The tapered seat type further enhances the plug’s performance, providing quick starts, good fuel economy, and smooth acceleration.
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Product Features:
- Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
- Multi-rib insulator reduces danger of “flash-over”
- One-piece terminal post adds strength
- Resistor reduces radio frequency interference (RFI) and electrode erosion
- Quick Starts and Smooth Acceleration: Designed to provide quick engine starts and smooth acceleration, enhancing overall driving performance.
- Good Fuel Economy: Engineered to optimize fuel efficiency, helping you save on fuel costs.
Champion – Platinum Power Spark Plug: Powerful Perfromance, OE Replacement, RES8PYB5 (Part No.3017)
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$4.29
The Champion Spark Plug Platinum Power Spark Plug is a premium spark plug that delivers powerful performance. It features a Platinum center electrode that ensures long life and a fine-wire center electrode that provides greater ignitability. The V-trimmed ground electrode promotes sharper spark focus, while the Heat-Active alloy allows the electrodes to reach optimal temperature quickly. The Platinum tipped center wire resists wear and helps to reduce misfires. This spark plug is an OE replacement and has a tapered seat type. It also has a resistor type. With its exclusive Heat-Active alloy and advanced design, the Champion Platinum Power spark plug is an excellent choice for those seeking reliable and high-performance spark plugs.
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Product Features:
- Platinum Power- Premium Spark Plug.‚ Powerful Performance.
- Platinum center electrode for long life
- Fine-wire center electrode for greater ignitability
- V-trimmed ground electrode promotes sharper spark focus
- Heat-Active alloy allows electrodes to reach optimal temperature
- Platinum tipped center wire resists wear and helps to maintain proper gap spec over life of the plug
- OE Replacement: This spark plug is an OE replacement, which means it is designed to meet or exceed the original equipment specifications of your vehicle’s manufacturer.
- Tapered Seat Type: The tapered seat type of this spark plug ensures a secure fit in the cylinder head, preventing any leaks or misfires that could affect engine performance.
Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.23)
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$3.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.
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Product Features:
- Copper cored center electrode for higher thermal conductivity
- Specially engineered high nickel alloy center and ground electrode for extended life
- High alumina ceramic for high dielectric strength
- Leak proof, heat fused internal seal for durability
- Multi-rib insulator prevents flash-over
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
Popular 1991 Ford Mustang Spark Plugs Categories
1991 Ford Mustang Spark Plugs
Maybe you’re in the middle of a full rebuild of that 1991 Ford Mustang. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 63 different Spark Plugs in our inventory ranging from $2.79 to $129.99. That means you can find the exact parts or products you need to keep that 1991 Ford Mustang 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 1991 Ford Mustang. NGK, Autolite, and Motorcraft 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 1991 Ford Mustang, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,536 reviews in this category, some of the top rated parts include DiamondFIRE Automotive Spark Plug: More Power, Saves Gas with 4.1 stars and DiamondFIRE Automotive Spark Plug: More Power, Saves Gas with 4.0 stars.
So if you’re in the market for aftermarket Spark Plugs to keep your 1991 Ford Mustang 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 1991 Ford Mustang Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 1991 Ford Mustang 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 Mustang the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.
Popular Dorman – Help Spark Plugs
We carry Dorman – Help parts in our stock across Spark Plug Non-Foulers and Spark Plugs categories, plus more. For a 1991 Ford Mustang, our most popular Dorman – Help Spark Plugs include:
Top 1991 Ford Mustang Spark Plugs from Autolite
Autolite products are another trusted brand when it comes to Spark Plugs for your 1991 Ford Mustang. Popular Autolite parts include:
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$4.79
(203)
Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration
Spark Plugs
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$6.79
(96)
Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life
Spark Plugs
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$3.49
(67)
Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration
Spark Plugs
FAQs for 1991 Ford Mustang Spark Plugs
What are the most purchased Spark Plugs for the 1991 Ford Mustang?
Out of 63 Spark Plugs for the 1991 Ford Mustang, the most popular in our inventory are:
What are the top-rated 1991 Ford Mustang Spark Plugs?
Top-rated Spark Plugs for your 1991 Ford Mustang based on customer reviews/ratings are:
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$7.49
(184)
DiamondFIRE Automotive Spark Plug: More Power, Saves Gas
“I used these type before.”
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$7.29
(98)
DiamondFIRE Automotive Spark Plug: More Power, Saves Gas
“These are awesome. They are in my 02 sierra 4.8l. And i have 4mpg better than before.”
