AMC American Spark Plugs

Your One-Stop Shop For Trusted AMC American Spark Plugs

If you’re in search of AMC American Spark Plugs aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 29 Spark Plugs from top brands with prices ranging from $2.29 to $15.99.

Beyond great prices, we stock trusted brands manufacturing all types of Spark Plugs for your AMC American.

And don’t forget to read customer reviews across all Spark Plugs categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Spark Plugs have to cost top dollar, and we prove it. Browse our top AMC American Spark Plugs below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Please Select your Vehicle to See Exact Fit Parts

Essential AMC American Spark Plugs

Motorcraft – Motorcraft Spark Plug: Reliable Performance & Enhanced Durability, SP-423-X (Part No.SP-423-X)

Motorcraft Spark Plug: Reliable Performance & Enhanced Durability, SP-423-X

from

$4.29
Motorcraft Spark Plugs are engineered to deliver reliable performance and enhanced durability, making them the ideal choice for Ford, Lincoln, and Mercury vehicles. Designed to meet strict Ford engineering standards, these spark plugs ensure an exact fit and provide original equipment performance. With features like resistance to oxidation and arc erosion, a multi-rib insulator to prevent misfires, and service intervals of up to 100,000 miles, they offer long-lasting value and efficiency. The nickel center and ground electrode tips optimize ignition while reducing fuel consumption and emissions. Backed by Motorcraft’s Service Parts Warranty, these spark plugs are crafted from high-quality materials to prevent false check engine lights and maintain peak engine performance. Whether for domestic or import cars and trucks, Motorcraft Spark Plugs are the trusted solution for maintaining reliability and confidence on the road.
See More

Champion – Champion Copper Plus Small Engine Spark Plug RH10C – Dependable Performance & Durability, 854 (Part No.854)

Champion Copper Plus Small Engine Spark Plug RH10C - Dependable Performance & Durability, 854

from

$2.29
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.
See More

Champion – Champion Copper Plus Small Engine Spark Plug H10C – Dependable Performance & Durability, 844-1 (Part No.844-1)

Champion Copper Plus Small Engine Spark Plug H10C - Dependable Performance & Durability, 844-1

from

$3.29
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.
See More

Champion – Champion Copper Plus Spark Plug N12YC – Dependable Performance & Durability, 38 (Part No.38)

Champion Copper Plus Spark Plug N12YC - Dependable Performance & Durability, 38

from

$3.59
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.
See More

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.
See More

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.
See More

Motorcraft – Motorcraft Spark Plug: Reliable Ignition & Engine Efficiency, SP-423-A (Part No.SP-423-A)

Motorcraft Spark Plug: Reliable Ignition & Engine Efficiency, SP-423-A

from

$2.99
Ensure your engine runs smoothly and efficiently with this high-quality spark plug, designed to deliver reliable ignition and optimal performance. Built to withstand extreme conditions, it provides consistent combustion for improved fuel efficiency and reduced emissions. Its durable construction ensures long-lasting performance, making it a dependable choice for maintaining your vehicle’s engine health. Engineered for compatibility with a wide range of vehicles, this spark plug is easy to install and helps restore peak engine performance. Whether you’re replacing a worn-out plug or performing routine maintenance, this spark plug offers exceptional value and reliability for your automotive needs.
See More

ACDelco – ACDelco Gas Engine Ignition Spark Plug, R45XLS (Part No.R45XLS)

ACDelco Gas Engine Ignition Spark Plug, R45XLS

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.
See More

Champion – Champion Copper Plus Spark Plug RN14YC – Dependable Performance & Durability, 405 (Part No.405)

Champion Copper Plus Spark Plug RN14YC - Dependable Performance & Durability, 405

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.
See More

Champion – Champion Copper Plus Small Engine Spark Plug H10C – Dependable Performance & Durability, 844 (Part No.844)

Champion Copper Plus Small Engine Spark Plug H10C - Dependable Performance & Durability, 844

from

$3.69
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.
See More

NGK – NGK Standard Nickel Spark Plug (BPR4ES): Reliable OE Performance, 6578 (Part No.6578)

NGK Standard Nickel Spark Plug (BPR4ES): Reliable OE Performance, 6578

from

$6.49
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.
See More

Autolite – Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP66 (Part No.AP66)

Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP66

from

$4.99
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, better acceleration, and improved fuel efficiency. The platinum firing tip 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 design prevents flash-over, ensuring reliable operation, 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 consistent results. The combination of platinum and nickel materials in the electrode tips further boosts reliability, making them a dependable choice for maintaining engine efficiency and longevity.
See More

Autolite – Autolite Copper Non-Resistor Spark Plug: Quick Starts & Reliable Performance, 216 (Part No.216)

Autolite Copper Non-Resistor Spark Plug: Quick Starts & Reliable Performance, 216

from

$3.99
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, ensuring consistent functionality. The high nickel alloy center and ground electrodes are designed for extended life, while the high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation for added strength. With a nickel-plated shell, these spark plugs boast superior corrosion resistance, offering durability over extended periods. The standard center electrode design with short projection and nickel tip material further contributes to their reliable performance. Ideal for regular-grade applications, these spark plugs are built with a flat seat type for secure installation. Whether you’re seeking enhanced ignition or long-lasting durability, Autolite Copper spark plugs deliver exceptional value and performance.
See More

DENSO – DENSO U-Groove Spark Plug: OE Performance, W16EXR-U, 3031 (Part No.3031)

DENSO U-Groove Spark Plug: OE Performance, W16EXR-U, 3031

from

$4.49
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, making it ideal for delicate aluminum heads. Built to last twice as long as conventional plugs, this spark plug is 100% pre-fired to guarantee reliable operation from the start. Its nickel center electrode tip and flat seat type ensure consistent performance across a wide range of applications, including classic and collector cars. With a comprehensive selection of part numbers available, this spark plug delivers OE-level performance and durability, making it a dependable choice for maintaining your engine’s peak performance.
See More

Motorcraft – Motorcraft Spark Plug: Reliable Ignition & Performance, SP-473-AX (Part No.SP-473-AX)

Motorcraft Spark Plug: Reliable Ignition & Performance, SP-473-AX

from

$7.49
Ensure consistent ignition and optimal engine performance with this high-quality spark plug. Designed to deliver reliable starts and smooth operation, it enhances fuel efficiency and reduces emissions, making it an essential component for maintaining your vehicle’s peak performance. Built with durable materials, it withstands extreme temperatures and resists wear, ensuring long-lasting functionality. Its precision engineering guarantees compatibility with a wide range of vehicles, providing a perfect fit and hassle-free installation. Whether you’re replacing a worn-out plug or upgrading for better performance, this spark plug offers exceptional value and reliability for your automotive needs.
See More

DENSO – DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IW16TT, 4708 (Part No.4708)

DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IW16TT, 4708

from

$15.99
The Iridium TT Spark Plug delivers the perfect blend of durability and high performance, making it an ideal choice for drivers seeking reliability and power. Featuring a 0.4mm Iridium center electrode – the world’s smallest diameter – it maximizes firing potential, while the 0.7mm needle tip ground electrode promotes higher spark energy and minimizes heat quenching. Crafted with DENSO’s patented Iridium-Rhodium alloy formula, this spark plug boasts the highest concentration of Iridium for unmatched durability. Its 360-degree laser welding process ensures a robust bond and structural integrity, even under extreme conditions exceeding 4000 degrees Fahrenheit. Designed with a flat seat type for a secure fit, it offers consistent performance throughout its lifespan. Beyond power and torque, the Iridium TT enhances fuel economy and reduces emissions, allowing you to drive around the Earth over four times with improved efficiency. This spark plug is the ultimate solution for drivers demanding OE-style reliability combined with high-performance endurance.
See More

ACDelco – ACDelco Conventional Spark Plug, C45L (Part No.C45L)

ACDelco Conventional Spark Plug, C45L

from

$3.79
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.
See More

Champion – Champion Copper Plus Small Engine Spark Plug RH18Y – Dependable Performance & Durability, 857 (Part No.857)

Champion Copper Plus Small Engine Spark Plug RH18Y - Dependable Performance & Durability, 857

from

$3.29
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.
See More

DENSO – DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IW16, 5305 (Part No.5305)

DENSO Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IW16, 5305

from

$14.49
The Iridium Power Spark Plug features the world’s smallest iridium center electrode at just 0.4mm, delivering unmatched spark precision for maximum combustion efficiency. Engineered with patented 360-degree laser welding, it ensures durability and reliability even under extreme conditions, withstanding temperatures over 4000 Deg F. The U-groove and taper-cut ground electrode design enhances flame propagation, optimizing engine performance. Its burnished nickel plating provides superior resistance to high temperatures and corrosion, making it ideal for long-term use. Designed for a wide range of applications, including classic and collector cars, this spark plug offers superior performance with increased horsepower and improved fuel efficiency. Requiring 5,000 volts less to fire compared to conventional plugs, it ensures reliable starts and fewer misfires, even under heavy loads. Constructed with a durable iridium center electrode tip and a flat seat type, the Iridium Power Spark Plug guarantees long-lasting performance, making it a top choice for drivers seeking efficiency, power, and reliability.
See More

Champion – Champion Platinum Power Spark Plug RN14PMC – Powerful Performance & Longevity, 3405 (Part No.3405)

Champion Platinum Power Spark Plug RN14PMC - Powerful Performance & Longevity, 3405

from

$5.99
Champion Platinum Power spark plugs deliver powerful performance with the exclusive Premium alloy that reaches and sustains the correct operating temperature. A fine-wire center electrode and V-trimmed ground electrode provides sharp spark focus and reliable ignition for consistent combustion under demanding conditions. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
See More

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

from

$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.
See More

NGK – NGK V-Power Nickel Spark Plug (GR4): Enhanced Ignitability & Performance, 2635 (Part No.2635)

NGK V-Power Nickel Spark Plug (GR4): Enhanced Ignitability & Performance, 2635

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.
See More

NGK – NGK G-Power Platinum Spark Plug (GR4GP): Enhanced Durability & Efficiency, 2763 (Part No.2763)

NGK G-Power Platinum Spark Plug (GR4GP): Enhanced Durability & Efficiency, 2763

from

$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.
See More

Champion – Champion Copper Plus Small Engine Spark Plug H14Y – Dependable Performance & Durability, 91 (Part No.91)

Champion Copper Plus Small Engine Spark Plug H14Y - Dependable Performance & Durability, 91

from

$2.79
Champion Copper Plus small engine 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 small engine with spark plugs engineered to improve efficiency and keep your equipment running at its best.
See More

NGK – NGK Standard Nickel Spark Plug (B-4L): Reliable OE Performance, 3112 (Part No.3112)

NGK Standard Nickel Spark Plug (B-4L): Reliable OE Performance, 3112

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.
See More

Spark Plugs Brands You Can Trust For Your AMC American

8 trusted brands of Spark Plugs line our shelves, ready to help keep your AMC American running smooth. Below are some of the most popular brands and their top Spark Plugs offerings:

Popular Champion Spark Plugs

Champion products for the AMC American span several categories. Some of the highest-rated Champion Spark Plugs that will fit your AMC American are:

Most Purchased AMC American Spark Plugs from NGK

When you buy the most frequently purchased NGK brand Spark Plugs, you can be confident it will be the right part for your AMC American. Here are the NGK Spark Plugs Advanced Auto customers buy the most:

FAQs for AMC American Spark Plugs

What are the most purchased Spark Plugs for the AMC American?

Out of 29 Spark Plugs for the AMC American, the most popular in our inventory are:

What are the top-rated AMC American Spark Plugs?

Top-rated Spark Plugs for your AMC American based on customer reviews/ratings are:
Autolite Copper Non-Resistor Spark Plug: Quick Starts & Reliable Performance, 216
from $3.99
(9)
Autolite Copper Non-Resistor Spark Plug: Quick Starts & Reliable Performance, 216
“Perfect plugs for my 1957 Ford tractor”
DENSO Platinum TT Spark Plug - PW16TT, 4501
from $5.79
(7)
DENSO Platinum TT Spark Plug – PW16TT, 4501
“Fast and easy, plus you accept PayPal”