1942 Willys Speedway Spark Plugs

Keep Your 1942 Willys Speedway 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 1942 Willys Speedway 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 Champion. For example, Champion Spark Plugs start at just $2.49 with an average 4.7 star rating. With over 15 reviews and a solid 5 star average, you can shop with confidence knowing other Willys Speedway owners approve.

Explore Related Parts

While you’re upgrading or replacing your Spark Plug, don’t forget to check out other key components like Ignition Kits. At Advance Auto Parts, we’re here to help you keep your 1942 Willys Speedway in peak condition, inside and out.

Essential 1942 Willys Speedway Spark Plugs

Champion – Copper Plus Spark Plug (RJ8C): Dependable Performance & Durability (Part No.871)

Copper Plus Spark Plug (RJ8C): Dependable Performance & Durability

from

$2.49
The Copper Plus spark plug is engineered for dependable performance and durability, making it an ideal OE-type replacement. Featuring a copper core center electrode, it ensures precise heat control and enhanced conductivity, promoting longer life and consistent wear. Its nickel-tipped center and ground electrodes resist fouling and provide superior corrosion resistance, ensuring reliable ignition under various conditions. Built to ISO and SAE Standards, this spark plug delivers proven performance and compatibility with standard replacement needs. The flat seat design and integrated resistor further enhance its functionality, making it a trusted choice for maintaining engine efficiency and reliability.

Product Features:
  • Resists fouling
  • Superior corrosion resistance
  • Dependable and proven performance
  • Increased conductivity and heat control for good overall wear
See More

Champion – Copper Plus Small Engine Spark Plug (J8C): Dependable Performance & Durability (Part No.841-1)

Copper Plus Small Engine Spark Plug (J8C): Dependable Performance & Durability

from

$3.79
Copper Plus spark plug delivers reliable performance and durability, making it an ideal choice for small engines. Featuring a copper core center electrode, it ensures precise heat control and enhanced conductivity, promoting longer life and consistent wear. Built to ISO and SAE Standards, this OE-type replacement plug resists fouling and offers superior corrosion resistance, ensuring dependable operation in various conditions. The nickel-tipped center and ground electrodes further enhance its durability and performance, while the flat seat design ensures a secure fit. Whether you’re maintaining your equipment or replacing worn-out parts, this spark plug provides exceptional value with its proven performance and robust construction.

Product Features:
  • Resists fouling
  • Superior corrosion resistance
  • Dependable and proven performance
  • Increased conductivity and heat control for good overall wear
See More

Autolite – Copper Resistor Spark Plug: Quick Starts & Enhanced Durability (Part No.308)

Copper Resistor Spark Plug: Quick Starts & Enhanced Durability

from

$4.29
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 high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation strength. With a nickel-plated shell, these spark plugs offer superior corrosion resistance, making them ideal for long-term use. The standard center electrode design with short projection and nickel tip material ensures dependable ignition, while the flat seat type and built-in resistor further enhance functionality. Perfect for regular-grade applications, these spark plugs deliver quick starts and the power needed to meet performance expectations, making them a valuable addition to your vehicle’s ignition system.

Product Features:
  • The copper core center electrode aids in thermal control and improves resistance to fouling.
  • Its specially engineered high nickel alloy center and ground electrode provides extended life.
  • The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • The built-in resistor minimizes electrical interference, ensuring smoother engine performance and reliable ignition.
See More

ACDelco – Spark Plug: Reliable Performance & Efficient Design (Part No.LM49)

Spark Plug: Reliable Performance & Efficient Design

from

$3.49
The Spark Plug with Reliable Performance & Efficient Design is crafted to meet the demands of outdoor power equipment like lawn mowers, snow blowers, and chainsaws. Featuring a durable copper core, it ensures excellent heat transfer and maximized durability, while the Black Onyx coating and nickel-chrome alloy sheathing protect against corrosion for long-lasting reliability. Its ribbed suppressor seal enhances resistance, preventing spark flashover and misfires, ensuring smooth operation. Designed with a nickel center electrode tip and a gasket seat type, this spark plug delivers dependable and efficient performance. With a built-in resistor, it offers outstanding suppression characteristics, making it a versatile and high-quality replacement for everyday use.

Product Features:
  • Black Onyx coating helps reduce corrosion
  • Copper core provides great heat transfer and helps maximize plug durability
  • Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
  • Nickel-chrome alloy sheathing to help prevent corrosion on center electrode
  • Built-in resistor enhances suppression characteristics, ensuring reliable and efficient performance across various outdoor power equipment applications.
See More

Champion – Copper Plus Small Engine Spark Plug (J8C): Dependable Performance & Durability (Part No.841)

Copper Plus Small Engine Spark Plug (J8C): Dependable Performance & Durability

from

$3.79
The Copper Plus spark plug is engineered for dependable performance and durability, making it an ideal OE-type replacement for small engines. Featuring a copper core center electrode, it ensures precise heat control and increased conductivity, promoting longer life and consistent wear. Its nickel center and ground electrode tips, combined with a flat seat design, deliver enhanced reliability and superior performance. Built to ISO and SAE Standards, this spark plug resists fouling and offers exceptional corrosion resistance, ensuring it withstands tough conditions. Whether you’re maintaining a small engine or seeking a reliable replacement, this spark plug provides proven performance and value.

Product Features:
  • Copper Plus – Dependable Performance and Durability
  • OE type replacement plug
  • Resists fouling
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Superior corrosion resistance
  • Built to ISO and SAE standards for proven performance
  • Increased Conductivity and Heat Control: The Champion Copper Plus Small Engine Spark Plug features a copper core electrode that enhances conductivity and heat management, ensuring good overall wear.
  • Enhanced Reliability: With a nickel center electrode tip material and flat seat type, this spark plug provides enhanced reliability and consistent performance for small engines.
See More

Most Popular Spark Plugs for 1942 Willys Speedways

Enhance your 1942 Willys Speedway with one of the 5 Spark Plugs we have in stock, starting at just $2.49.

Champion – Copper Plus Small Engine Spark Plug (J8C): Dependable Performance & Durability (Part No.841)

Copper Plus Small Engine Spark Plug (J8C): Dependable Performance & Durability

from

$3.79
The Copper Plus spark plug is engineered for dependable performance and durability, making it an ideal OE-type replacement for small engines. Featuring a copper core center electrode, it ensures precise heat control and increased conductivity, promoting longer life and consistent wear. Its nickel center and ground electrode tips, combined with a flat seat design, deliver enhanced reliability and superior performance. Built to ISO and SAE Standards, this spark plug resists fouling and offers exceptional corrosion resistance, ensuring it withstands tough conditions. Whether you’re maintaining a small engine or seeking a reliable replacement, this spark plug provides proven performance and value.

Product Features:
  • Copper Plus – Dependable Performance and Durability
  • OE type replacement plug
  • Resists fouling
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Superior corrosion resistance
  • Built to ISO and SAE standards for proven performance
  • Increased Conductivity and Heat Control: The Champion Copper Plus Small Engine Spark Plug features a copper core electrode that enhances conductivity and heat management, ensuring good overall wear.
  • Enhanced Reliability: With a nickel center electrode tip material and flat seat type, this spark plug provides enhanced reliability and consistent performance for small engines.
See More

Champion – Copper Plus Small Engine Spark Plug (J8C): Dependable Performance & Durability (Part No.841-1)

Copper Plus Small Engine Spark Plug (J8C): Dependable Performance & Durability

from

$3.79
Copper Plus spark plug delivers reliable performance and durability, making it an ideal choice for small engines. Featuring a copper core center electrode, it ensures precise heat control and enhanced conductivity, promoting longer life and consistent wear. Built to ISO and SAE Standards, this OE-type replacement plug resists fouling and offers superior corrosion resistance, ensuring dependable operation in various conditions. The nickel-tipped center and ground electrodes further enhance its durability and performance, while the flat seat design ensures a secure fit. Whether you’re maintaining your equipment or replacing worn-out parts, this spark plug provides exceptional value with its proven performance and robust construction.

Product Features:
  • Resists fouling
  • Superior corrosion resistance
  • Dependable and proven performance
  • Increased conductivity and heat control for good overall wear
See More

Champion – Copper Plus Spark Plug (RJ8C): Dependable Performance & Durability (Part No.871)

Copper Plus Spark Plug (RJ8C): Dependable Performance & Durability

from

$2.49
The Copper Plus spark plug is engineered for dependable performance and durability, making it an ideal OE-type replacement. Featuring a copper core center electrode, it ensures precise heat control and enhanced conductivity, promoting longer life and consistent wear. Its nickel-tipped center and ground electrodes resist fouling and provide superior corrosion resistance, ensuring reliable ignition under various conditions. Built to ISO and SAE Standards, this spark plug delivers proven performance and compatibility with standard replacement needs. The flat seat design and integrated resistor further enhance its functionality, making it a trusted choice for maintaining engine efficiency and reliability.

Product Features:
  • Resists fouling
  • Superior corrosion resistance
  • Dependable and proven performance
  • Increased conductivity and heat control for good overall wear
See More

ACDelco – Spark Plug: Reliable Performance & Efficient Design (Part No.LM49)

Spark Plug: Reliable Performance & Efficient Design

from

$3.49
The Spark Plug with Reliable Performance & Efficient Design is crafted to meet the demands of outdoor power equipment like lawn mowers, snow blowers, and chainsaws. Featuring a durable copper core, it ensures excellent heat transfer and maximized durability, while the Black Onyx coating and nickel-chrome alloy sheathing protect against corrosion for long-lasting reliability. Its ribbed suppressor seal enhances resistance, preventing spark flashover and misfires, ensuring smooth operation. Designed with a nickel center electrode tip and a gasket seat type, this spark plug delivers dependable and efficient performance. With a built-in resistor, it offers outstanding suppression characteristics, making it a versatile and high-quality replacement for everyday use.

Product Features:
  • Black Onyx coating helps reduce corrosion
  • Copper core provides great heat transfer and helps maximize plug durability
  • Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
  • Nickel-chrome alloy sheathing to help prevent corrosion on center electrode
  • Built-in resistor enhances suppression characteristics, ensuring reliable and efficient performance across various outdoor power equipment applications.
See More

Autolite – Copper Resistor Spark Plug: Quick Starts & Enhanced Durability (Part No.308)

Copper Resistor Spark Plug: Quick Starts & Enhanced Durability

from

$4.29
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 high alumina multi-rib ceramic insulator enhances thermal conductivity and insulation strength. With a nickel-plated shell, these spark plugs offer superior corrosion resistance, making them ideal for long-term use. The standard center electrode design with short projection and nickel tip material ensures dependable ignition, while the flat seat type and built-in resistor further enhance functionality. Perfect for regular-grade applications, these spark plugs deliver quick starts and the power needed to meet performance expectations, making them a valuable addition to your vehicle’s ignition system.

Product Features:
  • The copper core center electrode aids in thermal control and improves resistance to fouling.
  • Its specially engineered high nickel alloy center and ground electrode provides extended life.
  • The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • The built-in resistor minimizes electrical interference, ensuring smoother engine performance and reliable ignition.
See More

Top-Rated Spark Plug Brands For Your 1942 Willys Speedway

When it comes to finding the perfect Spark Plug for your 1942 Willys Speedway, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Spark Plug brands including Champion, and more, all known for their exceptional customer ratings (average brand rating of 4.7 stars) and competitive prices, as low as $2.49. Purchasing a Spark Plug from us here at Advance Auto Parts is a smart move for both you and your 1942 Willys Speedway, providing peace of mind with parts that meet or exceed OEM standards.

Popular Champion 1942 Willys Speedway Spark Plugs

If you’re looking for a top-quality Spark Plug for your 1942 Willys Speedway, Advance Auto Parts has exactly what you need with our selection of Champion Spark Plugs. We have 3 Champion Spark Plugs in stock for this fitment, all known for their durability and precision fit. With prices starting at just $2.49 and an average cost of $3.36, you’ll find the perfect Spark Plug for your needs and budget. Champion Spark Plugs for the 1942 Willys Speedway come highly rated, with over 15 customer reviews and an impressive average rating of 4.7 stars. Choosing a Champion Spark Plug from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Copper Plus Small Engine Spark Plug (J8C): Dependable Performance & Durability
from $3.79
(1)
Copper Plus Small Engine Spark Plug (J8C): Dependable Performance & Durability
“Only Advance carried this hard to find plug. It works as it should.”
Copper Plus Small Engine Spark Plug (J8C): Dependable Performance & Durability
from $3.79
(13)
Copper Plus Small Engine Spark Plug (J8C): Dependable Performance & Durability
“Bought it for a Troy-Built Tomahawk chipper.”
Copper Plus Spark Plug (RJ8C): Dependable Performance & Durability
from $2.49
(1)
Copper Plus Spark Plug (RJ8C): Dependable Performance & Durability
“Building a 327 for a 1953 Chevy pickup”

FAQs for 1942 Willys Speedway Spark Plugs

What are the best-selling Spark Plugs for 1942 Willys Speedways?

Out of 5 Spark Plugs that fit 1942 Willys Speedways, the following parts are the top sellers:

What’s the price range for 1942 Willys Speedway Spark Plugs?

The prices of Spark Plugs for the 1942 Willys Speedway range from $2.49 up to $4.29 for the most premium parts.

What is the average price of a Spark Plug for a 1942 Willys Speedway?

The average price for Spark Plugs for the 1942 Willys Speedway is $3.57. 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.

What are the cheapest Spark Plugs for my 1942 Willys Speedway?

Does Advance Auto Parts sell Spark Plugs for any other 1942 Willys models?

Yes. We stock Spark Plugs for 1 other popular 1942 Willys models. Some of the most popular are 1942 442 Spark Plugs and 1942 Americar Spark Plugs.

What are the top-rated Spark Plugs that fit the 1942 Willys Speedway?

The one 1942 Willys Speedway Spark Plug we have in stock is the Copper Plus Spark Plug (RJ8C): Dependable Performance & Durability. It is rated 5 stars and costs $2.49.

What types of Spark Plugs do you sell for my 1942 Willys Speedway?

We currently have just 1 Spark Plug in stock for a 1942 Willys Speedway, and as of 11/2/25, it is a Spark Plug.

Can I get help with 1942 Willys Speedway Spark Plug orders?

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

What is your return policy for Willys Speedway Spark Plugs?

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