1966 International 1500A Spark Plugs

Your 1966 International 1500A might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Spark Plugs you desperately need.

We currently carry 9 Spark Plugs to choose from for your 1966 International 1500A, and our inventory prices range from as little as $2.49 up to $4.99.

On top of low prices, Advance Auto Parts offers 3 different trusted brands of Spark Plugs for the 1966 International 1500A. We only sell parts from trusted brands like ACDelco so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 210 reviews on our Spark Plugs for the 1966 International 1500A from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Spark Plugs stock in-person!

Spark Plugs for Your 1966 International 1500A

Champion – Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, J8C (Part No.841)

Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, J8C

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:
  • 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.
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Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP85)

Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration

from

$4.29
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite Platinum spark plugs are designed and engineered in the USA to deliver exceptional performance. Featuring a high nickel alloy side electrode that maintains a precise gap and a full platinum tip that ensures virtually no gap erosion, these spark plugs offer long-lasting durability. The necked-down center electrode fires quicker and cleaner with less voltage, resulting in easier starts, quicker acceleration, and improved fuel economy compared to standard plugs.

Product Features:
  • High nickel alloy side electrode maintains precise gap
  • Full platinum tip assures virtually no gap erosion for long life
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
  • Improved Fuel Economy: Designed to enhance fuel efficiency compared to standard plugs.
  • Gasket Seat Type: Ensures a secure fit and optimal performance.
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Champion – Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, J6C (Part No.823)

Copper Plus Small Engine Spark Plug: Dependable Performance, OE Replacement, J6C

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:
  • 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
See More

Champion – Champion Copper Plus Small Engine- Single Card – J8C (Part No.841-1)

Champion Copper Plus Small Engine- Single Card - J8C

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:
  • Resists fouling
  • Superior corrosion resistance
  • Dependable and proven performance
  • Increased conductivity and heat control for good overall wear
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Champion – Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RJ8C (Part No.871)

Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RJ8C

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:
  • 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
See More

Champion – Champion Copper Plus Small Engine- Single Card – J6C (Part No.823-1)

Champion Copper Plus Small Engine- Single Card - J6C

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:
  • Resists fouling
  • Superior corrosion resistance
  • Dependable and proven performance
  • Increased conductivity and heat control for good overall wear
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ACDelco – Copper Core Spark Plug (Part No.R43S)

Copper Core Spark Plug

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:
  • 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
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Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.85)

Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration

from

$3.49
With over 100 years of engineering expertise and more than 11 billion plugs sold, Autolite continues to innovate with its Copper Spark Plug. Designed and engineered in the USA, this spark plug features a copper-glass seal that bonds the insulator, terminal post, and center electrode together, ensuring full voltage at the spark gap and 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 it a reliable choice for consistent performance.

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 and Smooth Acceleration: The Autolite Copper Spark Plug is engineered to deliver quick starts and smooth acceleration, enhancing your vehicle’s performance.
  • Good Fuel Economy: Designed to optimize fuel efficiency, this spark plug helps you get the most out of every gallon.
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Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RJ6C (Part No.102)

Copper Plus Spark Plug: Dependable Performance, OE Replacement, RJ6C

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:
  • Copper Plus – Dependable Performance and Durability
  • 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
  • Built to ISO and SAE standards for proven performance
See More

FAQs for 1966 International 1500A Spark Plugs

What are the most popular Spark Plugs for the 1966 International 1500A?

With 3 brands you can trust, our most popular Spark Plugs for the 1966 International 1500A parts are:
Copper Core Spark Plug
from $4.99
(13)
Copper Core Spark Plug
Spark Plugs

What are the best aftermarket Spark Plugs for the 1966 International 1500A?

See what past customers had to say about our highest-rated Spark Plugs for the 1966 International 1500A:
Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RJ8C
from $2.49
(1)
Copper Plus Small Engine Spark Plug Dependable Performance, OE Replacement RJ8C
“Building a 327 for a 1953 Chevy pickup”
Champion Copper Plus Small Engine- Single Card - J8C
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.”