1994 Mitsubishi Eclipse Spark Plugs

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Keep Your 1994 Mitsubishi Eclipse in Top Shape with Quality Spark Plugs

Whether you’re repairing or upgrading your Spark Plug, using high-quality parts is key to keeping your 1994 Mitsubishi Eclipse looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Spark Plugs. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Spark Plugs from Trusted Brands

Looking for a reliable Spark Plug? We’ve got you covered with options from brands you know and trust like NGK, Autolite, and ACDelco. For example, NGK Spark Plugs start at just $5.59 with an average 4.8 star rating. Autolite and ACDelco offer similar pricing and quality, backed by strong customer feedback. With over 372 reviews and a solid 4.7 star average, you can shop with confidence knowing other Mitsubishi Eclipse owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1994 Mitsubishi Eclipse Spark Plug at Advance Auto Parts is around $7.70, with a range that starts at $2.79 and goes up to $16.99. With 18 options in stock from 7 trusted brands, finding the right fit is easy. Popular picks like DiamondFire Spark Plug (E3.46): Enhanced Power & Fuel Efficiency, Champion Copper Plus Spark Plug RN9YC – Dependable Performance & Durability, 415, and ACDelco RAPIDFIRE Spark Plug, 4 start at just $5.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Spark Plug, don’t forget to check out other key components like Ignition Boots and Ignition Coils and Boots. At Advance Auto Parts, we’re here to help you keep your 1994 Mitsubishi Eclipse in peak condition, inside and out.

Essential 1994 Mitsubishi Eclipse Spark Plugs

Autolite – Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP5325 (Part No.APP5325)

Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP5325

from

$7.49
Double Platinum Spark Plug offers enhanced durability and performance with its platinum-to-platinum design, effectively reducing gap erosion and minimizing misfires for a longer service life. Engineered for distributor-less ignition system (DIS) engines, it outperforms copper and standard platinum plugs. The yttrium-enhanced ground electrode ensures superior heat transfer, maintaining durability under high temperatures and pressure. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for reliable operation. Featuring a mid-projection center electrode and flat seat type, this performance-grade spark plug is built with platinum-tipped electrodes for consistent ignition and lasting reliability. Designed to deliver exceptional value, it is a dependable choice for maintaining peak engine performance.
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NGK – NGK Ruthenium HX Spark Plug (FR5BHX): High Ignitability & Durability, 96457 (Part No.96457)

NGK Ruthenium HX Spark Plug (FR5BHX): High Ignitability & Durability, 96457

from

$16.99
NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug, Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.
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Accel – Accel HP Copper Spark Plug – 14mm Thread, .750 in Reach – Gasket (flat) Seat – ISO Standard – 4 Pack, 0786-4 (Part No.0786-4)

Accel HP Copper Spark Plug - 14mm Thread, .750 in Reach - Gasket (flat) Seat - ISO Standard - 4 Pack, 0786-4

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$34.99
ACCEL HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. ACCEL HP Spark Plugs are gapable allowing you to open the gap exposing a larger flame kernel or close it if needed for high boost applications. All ACCEL HP Spark Plugs have machine rolled threads allowing for a more precise thread engagement and torque retention.
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Motorcraft – Motorcraft Double Platinum Spark Plug: Enhanced Durability & Reliability, SP-485 (Part No.SP-485)

Motorcraft Double Platinum Spark Plug: Enhanced Durability & Reliability, SP-485

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$4.79
Double Platinum Spark Plug by Motorcraft is engineered to deliver exceptional durability and reliability, making it the ideal choice for Ford, Lincoln, and Mercury vehicles. Designed with platinum center and ground electrode tips, these spark plugs resist oxidation and arc erosion, ensuring long-lasting performance. The multi-rib insulator minimizes misfires, while the gasket seat type guarantees a precise fit. With service intervals of up to 100,000 miles, these spark plugs optimize emissions, reduce fuel consumption, and eliminate misfires, providing a smoother driving experience. Backed by Motorcraft’s Service Parts Warranty, they are crafted from high-quality materials to meet strict Ford engineering standards, offering original equipment performance for a wide range of domestic and import cars and trucks. Motorcraft ignition components also help prevent false check engine lights, giving you confidence in your vehicle’s reliability. These spark plugs are what your vehicle was equipped with at the factory, ensuring compatibility and peace of mind.
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NGK – NGK Iridium IX Spark Plug (BKR5EIX): Enhanced Ignitability & Durability, 6341 (Part No.6341)

NGK Iridium IX Spark Plug (BKR5EIX): Enhanced Ignitability & Durability, 6341

from

$16.99
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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DENSO – DENSO Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PK20PR-L11, 3142 (Part No.3142)

DENSO Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PK20PR-L11, 3142

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$11.99
The Double Platinum Spark Plug is engineered to meet the highest OE standards for performance, durability, and emissions compliance. Featuring OE-grade platinum on both the center and ground electrodes, it ensures superior thermal conductivity and sustained spark performance for over 60,000 miles. Its premium shell construction with machine-rolled threads provides a secure fit and long-lasting reliability, while the flat seat type ensures optimal compatibility. Designed to reduce secondary required voltage, this spark plug enhances ignition efficiency, delivering smoother engine performance and fewer misfires. The double platinum design not only boosts durability but also minimizes maintenance needs, making it a trusted choice for satisfied customers and reducing shop comebacks. Built for those who demand excellence, this spark plug offers exceptional value and dependable performance for the long haul.
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Champion – Champion Platinum Power Spark Plug (RC12PMC4): Powerful Performance & Durability, 3318 (Part No.3318)

Champion Platinum Power Spark Plug (RC12PMC4): Powerful Performance & Durability, 3318

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$6.39
Champion Platinum Power spark plugs are engineered for premium performance and durability, making them an excellent choice for maintaining your vehicle’s peak efficiency. Featuring a platinum-tipped center electrode, these spark plugs ensure long-lasting reliability and resist wear, maintaining the proper gap specification throughout their lifespan. The fine-wire center electrode enhances ignitability, while the V-trimmed ground electrode sharpens spark focus for improved combustion. Constructed with an exclusive Heat-Active alloy, these plugs quickly reach and maintain optimal operating temperatures, ensuring consistent performance under various driving conditions. Designed with a flat seat type and integrated resistor, they deliver smooth operation and compatibility with a wide range of vehicles. Upgrade to Champion Platinum Power spark plugs for a blend of cutting-edge technology and dependable performance.
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Champion – Champion Iridium Spark Plug RC10WYPB4 – Maximum Performance & Longevity, 9001 (Part No.9001)

Champion Iridium Spark Plug RC10WYPB4 - Maximum Performance & Longevity, 9001

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$10.99
Champion Iridium spark plugs combine a fine-wire iridium center with platinum ground electrodes to help any engine achieve top performance, regardless of ignition type. This advanced design ensures precise ignition, long-lasting durability and reliable performance mile after mile, while reducing wear and tear. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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DENSO – DENSO U-Groove Spark Plug: OE Performance, K20HR-U11, 3381 (Part No.3381)

DENSO U-Groove Spark Plug: OE Performance, K20HR-U11, 3381

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$9.99
U-Groove design provides better ignitability for increased engine efficiency.
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NGK – NGK Laser Iridium Spark Plug (IFR6E11): Fine Wire Tip for Precision, 6741 (Part No.6741)

NGK Laser Iridium Spark Plug (IFR6E11): Fine Wire Tip for Precision, 6741

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$22.99
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
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DENSO – DENSO Iridium Long-Life Spark Plug: OE Performance, K16PSR-B8, 3437 (Part No.3437)

DENSO Iridium Long-Life Spark Plug: OE Performance, K16PSR-B8, 3437

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$16.99
The Iridium Long-Life Spark Plug is engineered to meet the highest OE performance, durability, and emissions standards, making it a reliable choice for long-term use. Featuring DENSO’s patented Iridium Alloy with a fine wire center electrode and a platinum ground electrode, this spark plug delivers exceptional durability and sustained spark performance for over 100,000 miles. Its 360-degree laser welding process ensures a robust bond and structural integrity, even under extreme conditions exceeding 4,000 degrees Fahrenheit. Designed for enhanced engine performance, it provides more horsepower, quicker starts, and fewer misfires, even under heavy loads. Additionally, its advanced design promotes fuel efficiency, offering both performance and cost savings. With a flat seat type and iridium center electrode tip, this spark plug lasts up to three times longer than conventional plugs, making it a high-value upgrade for your vehicle.
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NGK – NGK G-Power Platinum Spark Plug (BKR6EGP): Enhanced Durability & Efficiency, 7092 (Part No.7092)

NGK G-Power Platinum Spark Plug (BKR6EGP): Enhanced Durability & Efficiency, 7092

from

$8.99
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.
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E3 – E3 DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency, E3.56 (Part No.E3.56)

E3 DiamondFIRE Automotive Spark Plug: More Power & Fuel Efficiency, E3.56

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$8.49
“The Premium DiamondFire Automotive Spark Plug is engineered to deliver peak performance and efficiency for your vehicle. Featuring E3’s patented Diamond Fire edge-to-edge ground electrode, it ensures a faster, more complete burn for smoother acceleration and idle. The innovative “”diamond-shaped”” side wire electrode enhances combustion by igniting the air/fuel mixture more quickly, resulting in a larger flame kernel and improved power output – up to 6% on average. Designed with nickel center and ground electrode tips, this spark plug offers durability and consistent performance. Its cleaner-burning combustion reduces engine carbon deposits and promotes fuel savings, making it an eco-friendly choice. Pre-gapped at the factory for hassle-free installation, this spark plug is a perfect blend of advanced technology and convenience, ensuring your engine runs at its best.”
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DENSO – DENSO U-Groove Spark Plug: OE Performance, K20R-U, 3122 (Part No.3122)

DENSO U-Groove Spark Plug: OE Performance, K20R-U, 3122

from

$5.99
The U-Groove Spark Plug with its patented U-groove ground electrode design ensures superior ignitability, allowing your engine to fire leaner mixtures for enhanced efficiency and performance. Crafted with precision machine-rolled threads, it minimizes the risk of seizing or cross-threading in delicate aluminum heads, making installation smooth and secure. Built for durability, this spark plug lasts twice as long as conventional options, offering a lifespan of over 30,000 miles. Its nickel center electrode tip and flat seat type ensure reliable performance across a wide range of applications, including classic and collector cars. Pre-fired for dependable operation, it not only boosts fuel efficiency but also enhances emission gas purification, making it an eco-friendly choice. Whether you’re maintaining a daily driver or restoring a vintage vehicle, this spark plug delivers OE performance and long-lasting value.
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NGK – NGK G-Power Platinum Spark Plug (BKR5EGP): Enhanced Durability & Efficiency, 7090 (Part No.7090)

NGK G-Power Platinum Spark Plug (BKR5EGP): Enhanced Durability & Efficiency, 7090

from

$8.99
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.
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DENSO – DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20, 5304 (Part No.5304)

DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20, 5304

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$14.49
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).
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Motorcraft – Motorcraft Spark Plug: Long Service Intervals & High-Strength Durability, SP-406 (Part No.SP-406)

Motorcraft Spark Plug: Long Service Intervals & High-Strength Durability, SP-406

from

$2.49
The Spark Plug, designed for Ford, Lincoln, and Mercury vehicles, is the trusted choice recommended by Ford Motor Company. Engineered for exceptional durability, it features a high-strength steel high thread construction and advanced materials like platinum-iridium and fine-wire double platinum, ensuring reliable performance over extended service intervals of up to 100,000 miles. For standard applications, options include nickel and standard copper core, offering up to 60,000 miles of dependable use. Its gasket seat type ensures a secure fit, optimizing combustion efficiency and engine performance. This spark plug delivers long-lasting value and compatibility, making it an essential component for maintaining your vehicle’s peak performance.
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NGK – NGK V-Power Nickel Spark Plug (BKR5E): Enhanced Ignitability & Reliability, 7938 (Part No.7938)

NGK V-Power Nickel Spark Plug (BKR5E): Enhanced Ignitability & Reliability, 7938

from

$6.99
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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DENSO – DENSO Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PK16PR11, 3264 (Part No.3264)

DENSO Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PK16PR11, 3264

from

$11.49
Manufactured to the strictest OE performance, durability and emissions standards.
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Autolite – Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 5325 (Part No.5325)

Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 5325

from

$4.49
Autolite Copper spark plugs are designed to deliver reliable performance, ensuring quick starts and the power your vehicle demands. Featuring a copper core center electrode, these plugs excel in thermal control and resist fouling, while the high nickel alloy center and ground electrodes provide extended life and durability. The high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation, offering superior strength. With a corrosion-resistant nickel-plated shell, these spark plugs are built to withstand the test of time. Engineered for optimal fuel efficiency, they help you save on gas while delivering smooth acceleration for an improved driving experience. Meeting or exceeding Original Equipment Service (OES) design Standards, Autolite Copper spark plugs are a trusted choice backed by over a century of engineering expertise and the sale of over 11 billion plugs. Designed with a flat seat type and mid-projection standard electrode, these spark plugs are the industry standard for dependable performance.
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Dorman – Help – Dorman – Help Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach, 42004 (Part No.42004)

Dorman - Help Spark Plug Non-Foulers - 14mm Gasket Seat Long Reach, 42004

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$9.99
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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Autolite Iridium – Autolite Iridium Iridium Ultra Fine wire Spark Plug: Optimal Performance & Durability, AI3923 (Part No.AI3923)

Autolite Iridium Iridium Ultra Fine wire Spark Plug: Optimal Performance & Durability, AI3923

from

$11.49
Optimal Performance, Durability, Ignitability. The Autolite Iridium Ultra is an engineered OE replacement iridium spark plug featuring a laser-welded 0.5mm proprietary iridium alloy finewire center electrode that ensures optimal fuel efficiency, acceleration, and focused ignitability. Its nickel-plated shell resists corrosion, while the high-alumina ceramic insulator provides increased strength. Additionally, the proprietary platinum sidewire technology enhances durability and performance, making it a top choice for reliable ignition. It also features a resistor type and a flat seat type for added compatibility and performance.
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Champion – Champion Copper Plus Spark Plug RC9YC – Dependable Performance & Durability, 344 (Part No.344)

Champion Copper Plus Spark Plug RC9YC - Dependable Performance & Durability, 344

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$5.49
Champion Copper Plus spark plugs deliver dependable ignition performance with proven copper-core technology. The copper core electrode provides excellent conductivity and optimized heat control for consistent sparks while the coated shell protects against corrosion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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Autolite – Autolite Platinum Spark Plug (AP3924): Improved Performance & Durability (Part No.AP3924)

Autolite Platinum Spark Plug (AP3924): Improved Performance & Durability

from

$5.49
The Autolite Platinum spark plug is a high-performance solution designed to enhance your engine’s efficiency and longevity. Featuring a platinum center electrode firing tip, it ensures quicker firing, smoother starts, and improved fuel efficiency while resisting gap erosion for an extended service life. Its high alumina ceramic insulator provides excellent thermal conductivity and superior insulation, boosting overall strength and reliability. The multi-rib insulator design prevents flash-over, while the nickel-plated shell offers exceptional corrosion resistance, ensuring durability even in demanding conditions. With a mid-projection standard center electrode and a flat seat type, this spark plug is tailored for optimal performance in older engine designs. The combination of a platinum tip and nickel ground electrode makes it a dependable choice for those seeking enhanced acceleration and long-lasting performance. Whether you’re maintaining or upgrading, this performance-grade spark plug delivers exceptional value and reliability.
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NGK – NGK Laser Iridium Spark Plug (IFR6B): Fine Wire Tip for Efficiency, 6507 (Part No.6507)

NGK Laser Iridium Spark Plug (IFR6B): Fine Wire Tip for Efficiency, 6507

from

$22.99
NGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Most Laser Iridium spark plugs feature a platinum pad on the ground electrode for even wear in distributorless ignition systems.
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Autolite – Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP3923 (Part No.AP3923)

Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP3923

from

$5.49
Autolite Platinum spark plugs are crafted for superior performance and durability, making them ideal for older engine applications. Featuring a platinum center electrode firing tip, these spark plugs ensure quicker firing, smoother starts, and enhanced acceleration while boosting fuel efficiency. The platinum firing tip resists gap erosion, extending service life, while the high alumina ceramic insulator offers excellent thermal conductivity and insulation for added strength. A multi-rib insulator prevents flash-over, and the nickel-plated shell resists corrosion for long-lasting reliability. Designed with a flat gasket seat type, these spark plugs provide a secure seal for optimal engine performance. With a mid-projection standard center electrode and nickel ground electrode tip, they deliver consistent performance for demanding conditions. Perfect for performance-grade applications, these spark plugs combine advanced materials and engineering to ensure your engine runs smoothly and efficiently.
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DENSO – DENSO Iridium Long-Life Spark Plug: OE Performance, SK16PR-L11, 3395 (Part No.3395)

DENSO Iridium Long-Life Spark Plug: OE Performance, SK16PR-L11, 3395

from

$21.49
Manufactured to the strictest OE performance, durability and emissions standards.
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NGK – NGK Standard Nickel Spark Plug (BKR6ES): Reliable OE Performance, 6364 (Part No.6364)

NGK Standard Nickel Spark Plug (BKR6ES): Reliable OE Performance, 6364

from

$5.99
NGK Standard spark plugs (in the iconic NGK ‘yellow box’ packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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Most Popular Spark Plugs for 1994 Mitsubishi Eclipses

Enhance your 1994 Mitsubishi Eclipse with one of the 18 Spark Plugs we have in stock, starting at just $2.79.

NGK – NGK Standard Nickel Spark Plug (BPR6ES): Reliable OE Performance, 7131 (Part No.7131)

NGK Standard Nickel Spark Plug (BPR6ES): Reliable OE Performance, 7131

from

$5.59
NGK Standard spark plugs (in the iconic NGK ‘yellow box’ packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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Autolite – Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 63 (Part No.63)

Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 63

from

$4.49
Autolite Copper spark plugs are crafted to deliver reliable performance and durability, making them an excellent choice for your vehicle or application. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, ensuring consistent operation. The high nickel alloy center and ground electrodes are designed for extended life, while the nickel-plated shell offers superior corrosion resistance for long-lasting durability. With a high alumina multi-rib ceramic insulator, these spark plugs provide exceptional thermal conductivity and insulation, enhancing strength and reliability. Optimized for fuel efficiency, they help improve fuel economy, saving you money over time. The mid-projection standard center electrode design and flat seat type ensure compatibility with a wide range of applications, while the nickel tip materials on both the center and ground electrodes add to their robust construction. Ideal for quick starts and dependable performance, these spark plugs are a smart investment for maintaining your vehicle’s efficiency.
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ACDelco – ACDelco Conventional Spark Plug, R42XLS (Part No.R42XLS)

ACDelco Conventional Spark Plug, R42XLS

from

$6.49
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.
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NGK – NGK Standard Nickel Spark Plug (BPR6ES-11): Reliable OE Performance, 7133 (Part No.7133)

NGK Standard Nickel Spark Plug (BPR6ES-11): Reliable OE Performance, 7133

from

$5.99
NGK Standard spark plugs (in the iconic NGK ‘yellow box’ packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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NGK – NGK V-Power Nickel Spark Plug (BPR6EY-11): Reliable Ignitability & Performance, 6261 (Part No.6261)

NGK V-Power Nickel Spark Plug (BPR6EY-11): Reliable Ignitability & Performance, 6261

from

$6.99
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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NGK – NGK V-Power Nickel Spark Plug (BPR6EY): Enhanced Ignitability & Performance, 6427 (Part No.6427)

NGK V-Power Nickel Spark Plug (BPR6EY): Enhanced Ignitability & Performance, 6427

from

$5.99
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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Autolite – Autolite Platinum Spark Plug (AP63): Enhanced Durability & Performance (Part No.AP63)

Autolite Platinum Spark Plug (AP63): Enhanced Durability & Performance

from

$5.49
Autolite Platinum spark plugs are crafted for superior performance and durability, making them ideal for older engine applications. Featuring a platinum center electrode firing tip, these spark plugs ensure quicker firing, smoother starts, and improved fuel efficiency. The platinum design prevents gap erosion, extending the service life, while the high alumina ceramic insulator enhances thermal conductivity and insulation for added strength. A multi-rib insulator minimizes flash-over, ensuring consistent performance, and the nickel-plated shell resists corrosion for long-lasting durability. With a mid-projection standard center electrode and a flat seat type, these performance-grade spark plugs deliver reliable ignition and acceleration. The combination of platinum and nickel materials in the electrode tips further boosts efficiency and resilience, making them a dependable choice for maintaining engine health and optimizing vehicle performance.
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Autolite – Autolite Double Platinum Spark Plug: Enhanced Durability & Longer Service Life, APP63 (Part No.APP63)

Autolite Double Platinum Spark Plug: Enhanced Durability & Longer Service Life, APP63

from

$7.49
Double Platinum Spark Plug: Enhanced Durability & Longer Service Life is engineered to deliver exceptional performance and reliability for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring consistent ignition and extended service life. The yttrium-enhanced ground electrode offers superior heat transfer, making it highly durable under extreme temperatures and pressure. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for added safety. With a mid-projection standard center electrode and platinum tips on both the center and ground electrodes, this performance-grade spark plug is built to outperform copper and standard platinum plugs. Designed with a flat seat type and integrated resistor, it provides reliable functionality and long-lasting value, making it an ideal choice for demanding engine conditions.
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DENSO – DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IW20TT, 4709 (Part No.4709)

DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IW20TT, 4709

from

$12.99
Experience the perfect blend of durability and performance with this Iridium TT Spark Plug. Featuring a 0.4mm Iridium center electrode – the world’s smallest diameter – it maximizes firing potential for unmatched ignition efficiency. The 0.7mm needle tip ground electrode enhances spark energy while reducing heat quenching, ensuring consistent performance. Built with DENSO’s patented Iridium-Rhodium alloy formula, this spark plug boasts the highest concentration of iridium for superior durability, even under extreme conditions exceeding 4000 Deg F. The 360-degree laser welding process guarantees a robust bond and structural integrity, making it a reliable choice for high-performance engines. Designed with a flat seat type and OE-style durability, this spark plug delivers the power and torque you demand without compromising longevity. Whether you’re seeking enhanced engine efficiency or enduring reliability, this spark plug is engineered to exceed expectations.
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NGK – NGK Iridium IX Spark Plug (BPR6EIX): Enhanced Acceleration & Durability, 6637 (Part No.6637)

NGK Iridium IX Spark Plug (BPR6EIX): Enhanced Acceleration & Durability, 6637

from

$16.99
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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Champion – Champion Copper Plus Spark Plug RN9YC – Dependable Performance & Durability, 415 (Part No.415)

Champion Copper Plus Spark Plug RN9YC - Dependable Performance & Durability, 415

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$5.99
Champion Copper Plus spark plugs deliver dependable ignition performance with proven copper-core technology. The copper core electrode provides excellent conductivity and optimized heat control for consistent sparks while the coated shell protects against corrosion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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NGK – NGK G-Power Spark Plug (BPR6EGP): Enhanced Durability & Fuel Efficiency, 7084 (Part No.7084)

NGK G-Power Spark Plug (BPR6EGP): Enhanced Durability & Fuel Efficiency, 7084

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$6.99
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.
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E3 – DiamondFire Spark Plug (E3.46): Enhanced Power & Fuel Efficiency (Part No.E3.46)

DiamondFire Spark Plug (E3.46): Enhanced Power & Fuel Efficiency

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$8.49
The Spark Plugs are the product of years of fundamental research in the combustion field. The unique patented electrode configuration of these new The spark plugs increases the amount of combustion pressure created during each power stroke of an engine, which results in a marked increase in power output, fuel economy, and reduced emissions in all gasoline engines. E3.46 is a 14mm, 0.750 reach plug with a gasket seat. It fits a wide variety of applications from the 60s to early 90s, especially import. E3.46 is widely stocked in automotive retail stores. The automotive plugs have three legs securing the Diamond FIRE electrode to the shell. This allows for excellent heat transfer, and helps to create more turbulence in the cylinder. The patented Diamond FIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use.
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Dorman – Help – Dorman – Help Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach, 42004 (Part No.42004)

Dorman - Help Spark Plug Non-Foulers - 14mm Gasket Seat Long Reach, 42004

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$9.99
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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ACDelco – ACDelco RAPIDFIRE Spark Plug, 4 (Part No.4)

ACDelco RAPIDFIRE Spark Plug, 4

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$7.99
ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. 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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DENSO – DENSO U-Groove Spark Plug: OE Performance, W20EPR-U, 3047 (Part No.3047)

DENSO U-Groove Spark Plug: OE Performance, W20EPR-U, 3047

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$3.99
The U-Groove Spark Plug features a patented U-groove ground electrode design that enhances ignitability, allowing for leaner fuel mixtures and improved engine efficiency. Crafted with precision machine-rolled threads, it minimizes the risk of seizing or cross-threading in delicate aluminum heads, ensuring a secure and hassle-free installation. Built with a nickel center electrode tip and a flat seat type, this spark plug delivers reliable performance and durability, lasting twice as long as most conventional plugs. Its wide compatibility range covers thousands of applications, including classic and collector cars, making it a versatile choice for various vehicles. Pre-fired to guarantee dependable operation, this spark plug is engineered to provide OE-level performance and long-lasting value for your engine.
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DENSO – DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IW20, 5306 (Part No.5306)

DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IW20, 5306

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$10.99
Iridium Power Spark Plug delivers unmatched performance with the world’s smallest iridium center electrode at just 0.4mm, ensuring maximum spark energy for superior combustion. Engineered with patented 360-degree laser welding and a U-groove taper cut ground electrode, it optimizes flame propagation for enhanced engine efficiency. Built to withstand extreme temperatures exceeding 4000 Deg F, its burnished nickel plating offers exceptional resistance to corrosion and high-temperature endurance. Designed for a wide range of applications, including classic and collector cars, this spark plug provides superior horsepower and fuel efficiency while requiring 5,000 volts less to fire compared to conventional plugs. Its durable iridium material and flat seat type ensure long-lasting reliability, while enhanced engine starts reduce misfires even under heavy loads. Experience the pinnacle of spark plug technology with Iridium Power for maximum performance and efficiency.
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Champion – Champion Copper Plus Spark Plug (RN9YC4): Dependable Performance & Durability, 301 (Part No.301)

Champion Copper Plus Spark Plug (RN9YC4): Dependable Performance & Durability, 301

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$2.79
Copper Plus spark plug delivers dependable performance and durability, making it a reliable choice for your vehicle. Featuring a copper core center electrode, it ensures precise heat control and enhanced conductivity, promoting longer life and consistent wear. The nickel-tipped center and ground electrodes provide superior corrosion resistance, maintaining optimal performance over time. Designed to meet ISO and SAE Standards, this spark plug guarantees proven reliability and compatibility with standard replacement needs. Its flat seat type and built-in resistor further enhance functionality, ensuring smooth ignition and efficient operation. Whether you’re seeking durability or consistent performance, this spark plug offers exceptional value for maintaining your engine’s peak condition.
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Top-Rated Spark Plug Brands For Your 1994 Mitsubishi Eclipse

When it comes to finding the perfect Spark Plug for your 1994 Mitsubishi Eclipse, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Spark Plug brands including NGK, ACDelco, and Autolite, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $4.49. Purchasing a Spark Plug from us here at Advance Auto Parts is a smart move for both you and your 1994 Mitsubishi Eclipse, providing peace of mind with parts that meet or exceed OEM standards.

Popular NGK 1994 Mitsubishi Eclipse Spark Plugs

If you’re looking for a top-quality Spark Plug for your 1994 Mitsubishi Eclipse, Advance Auto Parts has exactly what you need with our selection of NGK Spark Plugs. We have 3 NGK Spark Plugs in stock for this fitment, all known for their durability and precision fit. With prices starting at just $5.59 and an average cost of $6.19, you’ll find the perfect Spark Plug for your needs and budget. NGK Spark Plugs for the 1994 Mitsubishi Eclipse come highly rated, with over 61 customer reviews and an impressive average rating of 4.8 stars. Choosing a NGK Spark Plug from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
NGK V-Power Nickel Spark Plug (BPR6EY-11): Reliable Ignitability & Performance, 6261
from $6.99
(5)
NGK V-Power Nickel Spark Plug (BPR6EY-11): Reliable Ignitability & Performance, 6261
“Purchased these plugs from Hinson’s Car Quest. They worked perfect. The staff was so much more friendly than other stores I go to. Will definitely be ”
NGK Standard Nickel Spark Plug (BPR6ES): Reliable OE Performance, 7131
from $5.59
(53)
NGK Standard Nickel Spark Plug (BPR6ES): Reliable OE Performance, 7131
“They spark well. Engine runs noticeably better with them in. Would not run without them. The old dirty plugs ran bad. These are better. I run NGK in”
NGK Standard Nickel Spark Plug (BPR6ES-11): Reliable OE Performance, 7133
from $5.99
(3)
NGK Standard Nickel Spark Plug (BPR6ES-11): Reliable OE Performance, 7133
“Used these sparks plugs on my 1988 Isuzu truck. Runs better now. Great product for the money.”

Top-Quality ACDelco 1994 Mitsubishi Eclipse Spark Plugs

For those in search of a high-quality Spark Plug for their 1994 Mitsubishi Eclipse, Advance Auto Parts offers a great selection of ACDelco Spark Plugs. With 1 ACDelco Spark Plugs in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Spark Plugs start at just $6.49, giving you a range of options to suit your budget. Backed by over 3 customer ratings and an average rating of 4.7 stars, ACDelco Spark Plugs provide both reliability and excellent performance. Choosing a ACDelco Spark Plug from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
ACDelco Conventional Spark Plug, R42XLS
from $6.49
(3)
ACDelco Conventional Spark Plug, R42XLS
“The cashier was very responsive and helpful.”

FAQs for 1994 Mitsubishi Eclipse Spark Plugs

What are the best-selling Spark Plugs for 1994 Mitsubishi Eclipses?

Out of 18 Spark Plugs that fit 1994 Mitsubishi Eclipses, the following parts are the top sellers:

What’s the price range for 1994 Mitsubishi Eclipse Spark Plugs?

The prices of Spark Plugs for the 1994 Mitsubishi Eclipse range from $2.79 up to $16.99 for the most premium parts.

What is the average price of a Spark Plug for a 1994 Mitsubishi Eclipse?

The average price for Spark Plugs for the 1994 Mitsubishi Eclipse is $7.70. Keep in mind the variety of part types within our Spark Plug category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Spark Plugs for other Mitsubishi Eclipse model years?

Yes, we carry Spark Plugs for 21 model years of Mitsubishi Eclipses between 1990 and 2012. The following model years are the most popular for Spark Plug purchases: 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, and 2004.

What are the cheapest Spark Plugs for my 1994 Mitsubishi Eclipse?

Does Advance Auto Parts sell Spark Plugs for any other 1994 Mitsubishi models?

Yes. We stock Spark Plugs for 8 other popular 1994 Mitsubishi models. Some of the most popular are 1994 Montero Spark Plugs, 1994 Mirage Spark Plugs, 1994 Galant Spark Plugs, 1994 Diamante Spark Plugs, and 1994 Expo Spark Plugs.

What are the top-rated Spark Plugs that fit the 1994 Mitsubishi Eclipse?

The one 1994 Mitsubishi Eclipse Spark Plug we have in stock is the Champion Copper Plus Spark Plug (RN9YC4): Dependable Performance & Durability, 301. It costs $2.79.

What types of Spark Plugs do you sell for my 1994 Mitsubishi Eclipse?

We currently have just 1 Spark Plug in stock for a 1994 Mitsubishi Eclipse, and as of 8/2/26, it is a Spark Plug.

Can I get help with 1994 Mitsubishi Eclipse Spark Plug orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mitsubishi Spark Plugs and more.

What is your return policy for Mitsubishi Eclipse Spark Plugs?

Advance Auto Parts keeps returns simple. For new Mitsubishi Eclipse Spark Plugs and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.