1950 International LM121 Spark Plugs
Enhance and Protect Your 1950 International LM121 with Quality Spark Plugs
Maintaining the performance of your 1950 International LM121 starts with choosing the right parts, and a high-quality Spark Plug helps ensure a reliable and efficient vehicle. At Advance Auto Parts, we offer Spark Plugs specifically for the 1950 International LM121, ensuring a perfect fit and lasting durability. Choosing to shop with Advance Auto Parts means you’re making a smart decision to prioritize both quality and reliability for your vehicle.
Affordable and Reliable Spark Plugs for Every Budget
Finding a Spark Plug that combines quality with affordability is easy at Advance Auto Parts. With prices starting as low as $2.49 and an average price of $3.55, you can choose one that fits your budget while delivering the quality you expect. Our Spark Plugs are competitively priced, ranging from $2.49 to $4.99, so you get value without compromising on strength or reliability.
Trusted Brands and Top-Rated Options
With 5 Spark Plugs from 3 trusted brands in stock, Advance Auto Parts has you covered. Our Spark Plugs for the 1950 International LM121 have earned reviews from over 23 customers, with an average 5 stars rating across the board. Popular options include Conventional Nickel Tip Copper Core Spark Plug: Reduces Corrosion & Maximizes Durability, Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, J8C, and Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration, starting at $3.49. Our selection includes highly regarded brands such as Champion, ACDelco, and Autolite, and more, offering you top-notch reliability. For example, we have 3 Champion Spark Plugs starting at $2.49 with an average rating of 5 stars, 1 ACDelco options from $4.99 with a 5 stars rating, and 1 Autolite Spark Plugs priced from $3.49 with a 5 stars average rating.
Spark Plugs for Your 1950 International LM121
ACDelco – Conventional Nickel Tip Copper Core Spark Plug: Reduces Corrosion & Maximizes Durability (Part No.R43)
from
$4.99
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 – 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.
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:
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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:
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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
Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.303)
from
$3.49
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite continues to set the standard in spark plug technology. Designed and engineered in the USA, these spark plugs feature a copper-glass seal that bonds the insulator, terminal post, and center electrode together, ensuring full required voltage at the spark gap with a 100% leak-proof, gas-tight seal. The multi-rib insulator reduces the risk of flash-over, while the one-piece terminal post adds strength and durability. Additionally, the built-in resistor minimizes radio frequency interference (RFI) and electrode erosion, making these spark plugs a reliable choice for enhancing your vehicle’s performance.
Product Features:
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Product Features:
- Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
- Multi-rib insulator reduces danger of “flash-over”
- One-piece terminal post adds strength
- Resistor reduces radio frequency interference (RFI) and electrode erosion
- Quick Starts: The Autolite Copper Spark Plug is engineered to deliver quick and reliable starts, ensuring your vehicle is ready to go when you are.
- 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.
FAQs for 1950 International LM121 Spark Plugs
Which Spark Plugs are the top sellers for the 1950 International LM121?
Out of 5 Spark Plugs that fit 1950 International LM121s, the following parts are the top sellers:
from
$4.99
(2)
Conventional Nickel Tip Copper Core Spark Plug: Reduces Corrosion & Maximizes Durability
Spark Plugs
from
$3.79
(13)
Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, J8C
Spark Plugs
from
$3.49
(6)
Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration
Spark Plugs
How can I make sure that a part will be compatible with my 1950 International LM121?
Our International LM121 aftermarket and OEM parts are designed specifically for the 1950 model. You can always find your specific fitment and compatibility for your 1950 International on an individual product page.
What is the price range for 1950 International LM121 Spark Plugs?
The range of prices of Spark Plugs for the 1950 International LM121 goes from $2.49 up to $4.99 for the most premium parts.
What is the average price of a 1950 International LM121 Spark Plug?
Does Advance Auto Parts sell Spark Plugs for other International LM121 model years?
Can I get help with 1950 International LM121 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 LM121 Spark Plugs?
Advance Auto Parts keeps returns simple. For new International LM121 Spark Plugs and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
Spark Plugs For Other International LM121 Model Years
Looking for parts for a different model year of the International LM121? Below, you’ll find links to Spark Plugs for a range of model years, from 1951 models all the way up to 1952. At Advance Auto Parts, we carry high-quality OEM and aftermarket auto parts for popular years like 1951, 1952, and more, ensuring you have access to the best options for your specific needs. Choosing a Spark Plug from Advance Auto Parts means investing in top-tier parts that will keep your International LM121 running at its best, no matter the year.
