1970 Mercury Capri Spark Plugs

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Keep Your 1970 Mercury Capri 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 1970 Mercury Capri 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 Autolite, ACDelco, and Champion. For example, Autolite Spark Plugs start at just $4.49 with an average 4.6 star rating. ACDelco and Champion offer similar pricing and quality, backed by strong customer feedback. With over 36 reviews and a solid 4.8 star average, you can shop with confidence knowing other Mercury Capri owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1970 Mercury Capri Spark Plug at Advance Auto Parts is around $6.63, with a range that starts at $4.49 and goes up to $8.49. With 7 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Champion Copper Plus Spark Plug RN9YC – Dependable Performance & Durability, 415, ACDelco RAPIDFIRE Spark Plug, 4, and Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 63 start at just $4.49 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 Distributors and Ignition Coils and Boots. At Advance Auto Parts, we’re here to help you keep your 1970 Mercury Capri in peak condition, inside and out.

Essential 1970 Mercury Capri Spark Plugs

NGK – NGK Iridium IX Spark Plug (TR5IX): Extreme Ignitability & Durability, 7397 (Part No.7397)

NGK Iridium IX Spark Plug (TR5IX): Extreme Ignitability & Durability, 7397

from

$14.99
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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NGK – NGK Iridium IX Spark Plug (UR45IX): Extreme Ignitability & Durability, 7559 (Part No.7559)

NGK Iridium IX Spark Plug (UR45IX): Extreme Ignitability & Durability, 7559

from

$12.99
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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ACDelco – ACDelco RAPIDFIRE Spark Plug, 2 (Part No.2)

ACDelco RAPIDFIRE Spark Plug, 2

from

$6.99
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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Autolite – Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP105 (Part No.APP105)

Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP105

from

$7.49
Double Platinum Spark Plug: Enhanced Durability & Performance is engineered for exceptional reliability and efficiency, featuring a platinum-to-platinum design that minimizes gap erosion and extends the spark plug’s lifespan. Ideal for distributor-less ignition system (DIS) engines, it outperforms copper and standard platinum plugs by reducing misfires and delivering consistent performance. The yttrium-enhanced ground electrode ensures 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 center electrode and tapered seat type, this performance-grade spark plug is designed to meet the demands of modern engines. Both the center and ground electrode tips are crafted from platinum, ensuring long-lasting functionality and reliability. Perfect for drivers seeking enhanced durability and superior ignition performance, this spark plug is a valuable upgrade for maintaining engine efficiency.
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Autolite – Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP45 (Part No.APP45)

Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP45

from

$6.49
The Double Platinum Spark Plug is engineered for exceptional durability and performance, making it a top choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring a longer service life compared to copper and standard platinum plugs. Its yttrium-enhanced ground electrode delivers superior heat transfer, providing unmatched durability under high temperatures and pressure. The high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for reliable operation. With a long projection center electrode and tapered seat type, this performance-grade spark plug is built to handle demanding conditions. Both the center and ground electrode tips are crafted from platinum, ensuring consistent ignition and enhanced efficiency. Designed to deliver superior functionality and durability, this spark plug is an excellent investment for maintaining peak engine performance.
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Motorcraft – Motorcraft Standard Spark Plug (AGSF32CA): Reliable Performance & Durability, SP-447-A (Part No.SP-447-A)

Motorcraft Standard Spark Plug (AGSF32CA): Reliable Performance & Durability, SP-447-A

from

$4.99
Standard Spark Plug (AGSF32CA) delivers reliable performance and durability, making it the ideal choice for maintaining your vehicle’s original equipment standards. Specifically engineered for Ford, Lincoln, and Mercury vehicles, these spark plugs ensure an exact fit while enhancing engine durability, reducing misfires, optimizing emissions, and improving fuel efficiency. Built with high-quality materials, they resist oxidation and arc erosion, ensuring long-lasting performance with service intervals of up to 100,000 miles. The multi-rib insulator design protects against misfires, while Motorcraft ignition components help prevent false check engine lights, giving you confidence in your vehicle’s operation. Backed by Motorcraft’s Service Parts Warranty, these spark plugs are the same trusted components found in your vehicle at the time of manufacture, offering unmatched reliability for a broad range of domestic and import cars and trucks. Whether you’re maintaining or upgrading, these spark plugs deliver the performance and dependability you need.
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Autolite – Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 105 (Part No.105)

Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 105

from

$3.49
Autolite Copper spark plugs are designed to provide reliable performance and durability, making them an excellent choice for maintaining your vehicle’s efficiency. 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 engineered for extended life, while the mid-projection design optimizes spark delivery. A high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation, contributing to superior strength and reliability. The nickel-plated shell resists corrosion, ensuring long-lasting durability even in demanding conditions. With a tapered seat type and integrated resistor, these spark plugs are built to meet performance expectations, delivering quick starts and the power your vehicle needs.
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NGK – NGK Iridium IX Spark Plug (GR4IX): Extreme Ignitability & Durability, 97382 (Part No.97382)

NGK Iridium IX Spark Plug (GR4IX): Extreme Ignitability & Durability, 97382

from

$13.99
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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Autolite – Autolite Double Platinum Spark Plug: Enhanced Durability & Longer Service Life, APP64 (Part No.APP64)

Autolite Double Platinum Spark Plug: Enhanced Durability & Longer Service Life, APP64

from

$7.49
Double Platinum Spark Plug offers enhanced durability and longer service life, making it a top choice for performance-focused engines. Engineered with a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring consistent ignition and reliability. The yttrium-enhanced ground electrode provides superior heat transfer, allowing the spark plug to withstand high temperatures and pressures for extended durability. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for added safety. Designed with a mid-projection standard center electrode and flat seat type, this spark plug is tailored for distributor-less ignition system (DIS) engines. Both the center and ground electrode tips are crafted from platinum, delivering superior performance compared to copper and standard platinum plugs. With a resistor type included, this spark plug is built to meet the demands of modern engines, offering exceptional value and reliability for long-term use.
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Autolite – Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 666 (Part No.666)

Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 666

from

$4.49
Autolite Copper spark plugs are expertly crafted to ensure reliable performance and durability for your vehicle. 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 excellent thermal conductivity and insulation, enhancing strength and reliability. Engineered with a mid-projection standard center electrode and tapered seat type, they deliver optimal compatibility and performance. The nickel tip material on both the center and ground electrodes ensures robust functionality, while the built-in resistor type further enhances efficiency. Designed to optimize fuel economy, these spark plugs help you save on fuel costs without compromising on power or quick starts. Perfect for regular-grade applications, they are a dependable choice for maintaining peak engine performance.
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Motorcraft – Motorcraft Spark Plug: Reliable Ignition & Durable Nickel Construction, SP-431-X (Part No.SP-431-X)

Motorcraft Spark Plug: Reliable Ignition & Durable Nickel Construction, SP-431-X

from

$4.99
The Spark Plug with a standard center electrode design and durable nickel construction ensures reliable ignition performance for your vehicle. Featuring a nickel center electrode tip and a nickel ground electrode tip, this spark plug is built for consistent conductivity and long-lasting durability. Its tapered seat type provides a secure fit, enhancing overall engine efficiency and performance. Designed to deliver dependable starts and smooth operation, this spark plug is an excellent choice for maintaining your vehicle’s ignition system. With its robust materials and precise engineering, it offers great value and reliability for everyday driving needs.
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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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DENSO – DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK16, 5303 (Part No.5303)

DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK16, 5303

from

$14.99
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).
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ACDelco – ACDelco Conventional Spark Plug, CR43TS (Part No.CR43TS)

ACDelco Conventional Spark Plug, CR43TS

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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Autolite – Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 46 (Part No.46)

Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 46

from

$4.79
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 spark plugs excel in thermal control and resist fouling, while the high nickel alloy center and ground electrodes provide extended life. The high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation, offering increased strength and durability. With a nickel-plated shell, these spark plugs resist corrosion for long-lasting performance. Engineered for optimal fuel economy, they help improve mileage while delivering smooth and responsive acceleration. Compliant with Original Equipment Service (OES) design Standards, they ensure dependable operation and a secure fit with their tapered seat type. The long projection center electrode and nickel tip materials further enhance their efficiency and reliability, making them a valuable addition to your vehicle’s ignition system.
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ACDelco – ACDelco RAPIDFIRE Spark Plug, 5 (Part No.5)

ACDelco RAPIDFIRE Spark Plug, 5

from

$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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Motorcraft – Motorcraft High-Performance Spark Plug: Enhances Fuel Efficiency, SP-420-X (Part No.SP-420-X)

Motorcraft High-Performance Spark Plug: Enhances Fuel Efficiency, SP-420-X

from

$4.99
This high-performance spark plug is meticulously crafted to elevate your engine’s efficiency and reliability. Featuring a standard center electrode design with durable nickel tips for both the center and ground electrodes, it ensures consistent and dependable ignition. Its advanced engineering optimizes combustion, leading to smoother engine performance, improved fuel efficiency, and reduced emissions – perfect for eco-conscious drivers. The tapered seat type enhances its fit and functionality, making it suitable for a wide range of vehicles. Built with precision manufacturing and long-lasting materials, this spark plug is ideal for both daily commutes and high-performance driving, offering exceptional value and durability for your vehicle’s needs.
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Autolite – Autolite Copper Resistor Spark Plug: Quick Starts & Reliable Performance, 64 (Part No.64)

Autolite Copper Resistor Spark Plug: Quick Starts & Reliable Performance, 64

from

$4.49
Autolite Copper spark plugs are crafted to ensure quick starts and reliable performance, making them a dependable choice for your vehicle or application. Featuring a copper core center electrode, these spark plugs excel in thermal control and resist fouling, while the high nickel alloy center and ground electrode enhance durability for extended use. The high alumina multi-rib ceramic insulator boosts thermal conductivity and insulation, ensuring superior strength under demanding conditions. With a nickel-plated shell, these spark plugs resist corrosion, adding to their longevity. Designed for optimal fuel efficiency, they help improve fuel economy, saving you money over time. The mid-projection standard center electrode and flat seat type further contribute to their consistent performance. Equipped with a resistor, these spark plugs are built to meet regular grade expectations while delivering reliable ignition and smooth operation.
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Motorcraft – Motorcraft High-Performance Spark Plug: Enhances Fuel Efficiency, SP-450-X (Part No.SP-450-X)

Motorcraft High-Performance Spark Plug: Enhances Fuel Efficiency, SP-450-X

from

$9.49
The Motorcraft High-Performance Spark Plug is meticulously crafted to deliver superior ignition performance and optimize fuel efficiency, ensuring you get the most out of every gallon. Designed with a standard center electrode and nickel tip materials for both the center and ground electrodes, this spark plug guarantees reliable starts and consistent performance, making it a dependable choice for regular maintenance. Its tapered seat type ensures a secure fit, while its exceptional durability allows it to withstand the demands of high-performance engines. Whether you’re looking to maintain peak vehicle performance or enhance fuel consumption, this spark plug combines quality and precision engineering to meet your needs. Trust Motorcraft for a product that delivers long-lasting reliability and value in every drive.
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NGK – NGK Laser Iridium Spark Plug (ITR5H13): Fine Wire Tip for Precision, 97287 (Part No.97287)

NGK Laser Iridium Spark Plug (ITR5H13): Fine Wire Tip for Precision, 97287

from

$23.99
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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NGK – NGK V-Power Nickel Spark Plug (BKR6E-11): Reliable Ignitability & Performance, 2756 (Part No.2756)

NGK V-Power Nickel Spark Plug (BKR6E-11): Reliable Ignitability & Performance, 2756

from

$7.49
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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ACDelco – ACDelco Conventional Spark Plug, R44LTS (Part No.R44LTS)

ACDelco Conventional Spark Plug, R44LTS

from

$6.49
ACDelco Professional Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function.
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Autolite – Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 3924 (Part No.3924)

Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 3924

from

$5.49
Autolite Copper spark plugs are crafted to ensure reliable performance and durability 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 mid-projection center electrode enhances ignition efficiency. Built with a high alumina multi-rib ceramic insulator, these plugs offer superior thermal conductivity and insulation, boosting strength and reliability. The nickel-plated shell provides exceptional corrosion resistance, making them ideal for long-term use. With a flat seat type and integrated resistor, these spark plugs deliver quick starts and meet performance expectations, offering great value for regular-grade applications.
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Autolite – Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP25 (Part No.APP25)

Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP25

from

$7.49
The Double Platinum Spark Plug is engineered for exceptional durability and performance, making it a top choice for distributor-less ignition system (DIS) engines. Featuring a platinum-to-platinum design, it minimizes gap erosion and reduces misfires, ensuring a longer service life compared to copper and standard platinum plugs. Its yttrium-enhanced ground electrode delivers superior heat transfer, allowing it to withstand high temperatures and pressures for extended durability. The high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for reliable operation. With a mid-projection center electrode and tapered seat type, this performance-grade spark plug is designed to deliver consistent ignition and efficiency. Both the center and ground electrode tips are crafted from platinum, ensuring robust functionality and reliability. Ideal for drivers seeking enhanced engine performance and longevity, this spark plug is built to meet the demands of modern engines.
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Motorcraft – Motorcraft Standard Spark Plug (ASF42CF4): Reliable Performance & Durability, SP-450-A (Part No.SP-450-A)

Motorcraft Standard Spark Plug (ASF42CF4): Reliable Performance & Durability, SP-450-A

from

$6.99
Standard Spark Plug (ASF42CF4) delivers reliable performance and durability, making it the ideal choice for maintaining your vehicle’s original efficiency. Engineered to meet strict Ford standards, these Motorcraft spark plugs are specifically matched to engines for enhanced durability, reduced fuel consumption, and optimized emissions. Designed with high-quality materials, they resist oxidation and arc erosion, ensuring long-lasting reliability with service intervals of up to 100,000 miles. The multi-rib insulator protects against misfires, while the exact fit guarantees seamless compatibility with Ford, Lincoln, and Mercury vehicles. Backed by Motorcraft’s Service Parts Warranty, these spark plugs help prevent false check engine lights, giving you confidence in their performance. Whether for domestic or import cars and trucks, Motorcraft spark plugs are the trusted choice for maintaining the original equipment standards your vehicle was built with.
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Autolite Iridium – Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP25 (Part No.XP25)

Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP25

from

$11.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.
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Motorcraft – Motorcraft Standard Spark Plug: Enhances Durability & Reduces Fuel Consumption, SP-419-A (Part No.SP-419-A)

Motorcraft Standard Spark Plug: Enhances Durability & Reduces Fuel Consumption, SP-419-A

from

$4.49
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 provide enhanced durability, eliminate misfires, reduce fuel consumption, and optimize emissions. They are resistant to oxidation and arc erosion, feature a multi-rib insulator to protect against misfire, and have service intervals of up to 100,000 miles. Backed by Motorcraft’s Service Parts Warranty, these spark plugs are an exact fit for Ford, Lincoln, and Mercury vehicles and are designed with high-quality materials to provide reliable performance for almost any application. Motorcraft ignition components also help prevent false check engine lights, ensuring your vehicle runs smoothly.
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Autolite Iridium – Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP26 (Part No.XP26)

Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP26

from

$10.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.
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Most Popular Spark Plugs for 1970 Mercury Capris

Enhance your 1970 Mercury Capri with one of the 7 Spark Plugs we have in stock, starting at just $4.49.

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

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

from

$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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E3 – DiamondFire Spark Plug (E3.46): Enhanced Power & Fuel Efficiency (Part No.E3.46)

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

from

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

ACDelco RAPIDFIRE Spark Plug, 4

from

$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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Top-Rated Spark Plug Brands For Your 1970 Mercury Capri

When it comes to finding the perfect Spark Plug for your 1970 Mercury Capri, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Spark Plug brands including Champion, 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 1970 Mercury Capri, providing peace of mind with parts that meet or exceed OEM standards.

Popular Champion 1970 Mercury Capri Spark Plugs

If you’re looking for a top-quality Spark Plug for your 1970 Mercury Capri, Advance Auto Parts has exactly what you need with our selection of Champion Spark Plugs. We have 1 Champion Spark Plugs in stock for this fitment, all known for their durability and precision fit. With prices starting at just $5.99, you’ll find the perfect Spark Plug for your needs and budget. Champion Spark Plugs for the 1970 Mercury Capri come highly rated, with over 3 customer reviews and an impressive average rating of 4.8 stars. Choosing a Champion Spark Plug from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Champion Copper Plus Spark Plug RN9YC - Dependable Performance & Durability, 415
from $5.99
(3)
Champion Copper Plus Spark Plug RN9YC – Dependable Performance & Durability, 415
“Exact fit. In stock. Good price. High quality.”

Top-Quality ACDelco 1970 Mercury Capri Spark Plugs

For those in search of a high-quality Spark Plug for their 1970 Mercury Capri, 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 1970 Mercury Capri Spark Plugs

What are the best-selling Spark Plugs for 1970 Mercury Capris?

Out of 7 Spark Plugs that fit 1970 Mercury Capris, the following parts are the top sellers:

What’s the price range for 1970 Mercury Capri Spark Plugs?

The prices of Spark Plugs for the 1970 Mercury Capri range from $4.49 up to $8.49 for the most premium parts.

What is the average price of a Spark Plug for a 1970 Mercury Capri?

The average price for Spark Plugs for the 1970 Mercury Capri is $6.63. 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 Mercury Capri model years?

Yes, we carry Spark Plugs for 21 model years of Mercury Capris between 1966 and 1994. The following model years are the most popular for Spark Plug purchases: 1994, 1993, 1992, 1991, 1986, 1985, 1984, 1983, and 1982.

Does Advance Auto Parts sell Spark Plugs for any other 1970 Mercury models?

Yes. We stock Spark Plugs for 6 other popular 1970 Mercury models. Some of the most popular are 1970 Cougar Spark Plugs, 1970 Monterey Spark Plugs, 1970 Marauder Spark Plugs, 1970 Colony Park Spark Plugs, and 1970 Montego Spark Plugs.

What are the top-rated Spark Plugs that fit the 1970 Mercury Capri?

The one 1970 Mercury Capri Spark Plug we have in stock is the Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 63. It is rated 5 stars and costs $4.49.

What types of Spark Plugs do you sell for my 1970 Mercury Capri?

We currently have just 1 Spark Plug in stock for a 1970 Mercury Capri, and as of 8/2/26, it is a Spark Plug.

Can I get help with 1970 Mercury Capri Spark Plug orders?

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

What is your return policy for Mercury Capri Spark Plugs?

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