1954 International RA121 Spark Plugs
Keep Your 1954 International RA121 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 1954 International RA121 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, ACDelco, and Autolite. For example, Champion Spark Plugs start at just $2.49 with an average 4.7 star rating. ACDelco and Autolite offer similar pricing and quality, backed by strong customer feedback. With over 23 reviews and a solid 5 star average, you can shop with confidence knowing other International RA121 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1954 International RA121 Spark Plug at Advance Auto Parts is around $3.85, with a range that starts at $2.49 and goes up to $5.99. With 5 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Copper Resistor Spark Plug start at just $3.99 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 Coils and Boots and Ignition Kits. At Advance Auto Parts, we’re here to help you keep your 1954 International RA121 in peak condition, inside and out.
Find Your Specific 1954 International RA121 Spark Plugs
Looking for the perfect Spark Plug for your 1954 International RA121? You’re in the right place. Below, you’ll find links to various types of Spark Plugs that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Spark Plugs, ensuring durability and a precise fit for your International RA121. Whether you’re driving a 1954 model or another popular model year like
1953 and
1955, we’ve got you covered. Purchasing Spark Plugs from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Spark Plugs that fit your vehicle.
Essential 1954 International RA121 Spark Plugs
Champion – Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, J8C (Part No.841)
from
$3.79
Dependable Performance, OE Replacement, J8C. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. Built to ISO and SAE standards, it offers dependable performance and durability. The OE type replacement plug resists fouling and boasts superior corrosion resistance. Its copper core center electrode allows for accurate control of heat range, ensuring a longer life, while the nickel center electrode tip material and flat seat type further enhance its reliability.
Product Features:
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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.
Autolite – Copper Resistor Spark Plug (Part No.303)
from
$3.99
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Product Features:
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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.
- Good Fuel Economy: Designed to optimize fuel combustion, these spark plugs help improve your vehicle’s fuel efficiency, saving you money at the pump.
- Smooth Acceleration: Experience smoother and more responsive acceleration with the advanced engineering of Autolite Copper Spark Plugs.
- Smooth Acceleration: Experience smoother and more responsive acceleration with the advanced engineering of Autolite Copper Spark Plugs.
Champion – Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RJ8C (Part No.871)
from
$2.49
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Product Features:
See More
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
ACDelco – Conventional Nickel Tip Copper Core Spark Plug: Reduces Corrosion & Maximizes Durability (Part No.R43)
from
$5.99
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.
Product Features:
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Product Features:
- Black Onyx coating helps reduce corrosion
- Copper core provides great heat transfer and helps maximize plug durability
- Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
- Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
- Available for use in Marine applications
- Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
- Premium aftermarket replacement part
- Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
- Nickel Center Electrode Tip: Features a nickel center electrode tip for enhanced reliability and efficient performance in various driving conditions.
- Outstanding Suppression Characteristics: Engineered with outstanding suppression characteristics to deliver reliable performance and reduce radio frequency interference.
Champion – Champion Copper Plus Small Engine- Single Card – J8C (Part No.841-1)
from
$2.99
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Product Features:
See More
Product Features:
- Resists fouling
- Superior corrosion resistance
- Dependable and proven performance
- Increased conductivity and heat control for good overall wear
Popular 1954 International RA121 Spark Plugs Categories
Most Popular Spark Plugs for 1954 International RA121s
Enhance your 1954 International RA121 with one of the 5 Spark Plugs we have in stock, starting at just $2.49.
ACDelco – Conventional Nickel Tip Copper Core Spark Plug: Reduces Corrosion & Maximizes Durability (Part No.R43)
from
$5.99
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.
Product Features:
See More
Product Features:
- Black Onyx coating helps reduce corrosion
- Copper core provides great heat transfer and helps maximize plug durability
- Ribbed suppressor seal extends resistance and helps prevent spark ‘flash over’ and misfires
- Nickel-chrome alloy sheathing helps prevent corrosion on center electrode
- Available for use in Marine applications
- Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
- Premium aftermarket replacement part
- Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
- Nickel Center Electrode Tip: Features a nickel center electrode tip for enhanced reliability and efficient performance in various driving conditions.
- Outstanding Suppression Characteristics: Engineered with outstanding suppression characteristics to deliver reliable performance and reduce radio frequency interference.
Champion – Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, J8C (Part No.841)
from
$3.79
Dependable Performance, OE Replacement, J8C. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. Built to ISO and SAE standards, it offers dependable performance and durability. The OE type replacement plug resists fouling and boasts superior corrosion resistance. Its copper core center electrode allows for accurate control of heat range, ensuring a longer life, while the nickel center electrode tip material and flat seat type further enhance its reliability.
Product Features:
See More
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.
Champion – Champion Copper Plus Small Engine- Single Card – J8C (Part No.841-1)
from
$2.99
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Product Features:
See More
Product Features:
- Resists fouling
- Superior corrosion resistance
- Dependable and proven performance
- Increased conductivity and heat control for good overall wear
Champion – Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RJ8C (Part No.871)
from
$2.49
Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Product Features:
See More
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
Autolite – Copper Resistor Spark Plug (Part No.303)
from
$3.99
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Product Features:
See More
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.
- Good Fuel Economy: Designed to optimize fuel combustion, these spark plugs help improve your vehicle’s fuel efficiency, saving you money at the pump.
- Smooth Acceleration: Experience smoother and more responsive acceleration with the advanced engineering of Autolite Copper Spark Plugs.
- Smooth Acceleration: Experience smoother and more responsive acceleration with the advanced engineering of Autolite Copper Spark Plugs.
Top-Rated Spark Plug Brands For Your 1954 International RA121
When it comes to finding the perfect Spark Plug for your 1954 International RA121, 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, ACDelco, and Autolite, 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 1954 International RA121, providing peace of mind with parts that meet or exceed OEM standards.
Popular Champion 1954 International RA121 Spark Plugs
If you’re looking for a top-quality Spark Plug for your 1954 International RA121, 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 $3.09, you’ll find the perfect Spark Plug for your needs and budget. Champion Spark Plugs for the 1954 International RA121 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.
from
$3.79
(13)
Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, J8C
“Bought it for a Troy-Built Tomahawk chipper.”
from
$2.49
(1)
Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RJ8C
“Building a 327 for a 1953 Chevy pickup”
from
$2.99
(1)
Champion Copper Plus Small Engine- Single Card – J8C
“Only Advance carried this hard to find plug. It works as it should.”
Top-Quality ACDelco 1954 International RA121 Spark Plugs
For those in search of a high-quality Spark Plug for their 1954 International RA121, 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 $5.99, giving you a range of options to suit your budget. Backed by over 2 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.
from
$5.99
(2)
Conventional Nickel Tip Copper Core Spark Plug: Reduces Corrosion & Maximizes Durability
“Worked fine for preventive maintenance.”
FAQs for 1954 International RA121 Spark Plugs
What are the best-selling Spark Plugs for 1954 International RA121s?
Out of 5 Spark Plugs that fit 1954 International RA121s, the following parts are the top sellers:
- Copper Resistor Spark Plug (5391571) – $3.99
What’s the price range for 1954 International RA121 Spark Plugs?
The prices of Spark Plugs for the 1954 International RA121 range from $2.49 up to $5.99 for the most premium parts.
What is the average price of a Spark Plugs Spark Plug for a 1954 International RA121?
The average price for Spark Plugs for the 1954 International RA121 is $3.85. 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 1954 International RA121?
The cheapest 1954 International RA121 Spark Plugs we carry are:
- Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RJ8C (12013928) – $2.49
- Champion Copper Plus Small Engine- Single Card – J8C (18470671) – $2.99
- Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, J8C (18470205) – $3.79
- Copper Resistor Spark Plug (5391571) – $3.99
- Conventional Nickel Tip Copper Core Spark Plug: Reduces Corrosion & Maximizes Durability (5391024) – $5.99
Does Advance Auto Parts sell Spark Plugs for any other 1954 International models?
Yes. We stock Spark Plugs for 16 other popular 1954 International models. Some of the most popular are 1954 S132 Spark Plugs, 1954 R100 Spark Plugs, 1954 R110 Spark Plugs, 1954 R102 Spark Plugs, and 1954 R111 Spark Plugs.
What are the top-rated Spark Plugs that fit the 1954 International RA121?
The one 1954 International RA121 Spark Plug we have in stock is the Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RJ8C. It is rated 5 stars and costs $2.49.
What types of Spark Plugs do you sell for my 1954 International RA121?
We currently have just 1 Spark Plug in stock for a 1954 International RA121, and as of 4/10/25, it is a Spark Plug.
Can I get help with 1954 International RA121 Spark Plug orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about International Spark Plugs and more.
What is your return policy for International RA121 Spark Plugs?
Advance Auto Parts keeps returns simple. For new International RA121 Spark Plugs and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.