Jeep CJ6 Spark Plugs

Your One-Stop Shop For Trusted Jeep CJ6 Spark Plugs

If you’re in search of Jeep CJ6 Spark Plugs aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 34 Spark Plugs from top brands with prices ranging from $0.55 to $15.99.

Beyond great prices, we stock trusted brands manufacturing all types of Spark Plugs for your Jeep CJ6.

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 Jeep CJ6 Spark Plugs below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

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Essential Jeep CJ6 Spark Plugs

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.
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DENSO – DENSO Platinum TT Spark Plug – PW16TT, 4501 (Part No.4501)

DENSO Platinum TT Spark Plug - PW16TT, 4501

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$5.79
The Platinum TT Spark Plug with a Twin-Tip design is engineered to deliver superior combustion efficiency by enabling faster flame propagation for a more complete burn. Featuring a durable platinum center electrode tip, this spark plug ensures long-lasting performance and reliable ignition under various driving conditions. Its flat seat type provides a secure fit, enhancing overall engine stability and performance. Designed for precision and efficiency, this spark plug not only improves fuel combustion but also contributes to better fuel economy and reduced emissions. Ideal for drivers seeking enhanced engine responsiveness and durability, it offers exceptional value and reliability for your vehicle.
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NGK – NGK Standard Nickel Spark Plug (BR6S): Reliable OE Performance, 3522 (Part No.3522)

NGK Standard Nickel Spark Plug (BR6S): Reliable OE Performance, 3522

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$5.49
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.
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Champion – Champion Platinum Power Spark Plug RN14PMC – Powerful Performance & Longevity, 3405 (Part No.3405)

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

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$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.
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Champion – Champion Copper Plus Small Engine Spark Plug J12YC – Dependable Performance & Durability, 10 (Part No.10)

Champion Copper Plus Small Engine Spark Plug J12YC - Dependable Performance & Durability, 10

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$4.49
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.
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Autolite – Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 85 (Part No.85)

Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 85

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$4.49
Autolite Copper spark plugs are expertly crafted to ensure reliable performance and long-lasting durability for your vehicle. Featuring a copper core center electrode, these 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 provides superior insulation for added strength. With a nickel-plated shell, these spark plugs resist corrosion, making them ideal for long-term use. The mid-projection center electrode and flat seat type ensure a precise fit, while the resistor design minimizes electrical interference. Optimized for good fuel economy, these spark plugs help you maximize mileage and efficiency. Built with regular-grade materials and nickel-tipped electrodes, they deliver dependable performance and quick starts, meeting the demands of your vehicle or application.
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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

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$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.
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E3 – DiamondFire Spark Plug (E3.46): Enhanced Power & Fuel Efficiency (Part No.E3.46)

DiamondFire Spark Plug (E3.46): Enhanced Power & Fuel Efficiency

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$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.
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ACDelco – ACDelco Conventional Spark Plug, R43S (Part No.R43S)

ACDelco Conventional Spark Plug, R43S

from

$6.49
ACDelco Gold (Professional) Conventional Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These 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. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.
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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

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$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.
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Autolite – Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP65 (Part No.AP65)

Autolite Platinum Spark Plug: Enhanced Durability & Improved Performance, AP65

from

$5.49
Platinum Spark Plug: Enhanced Durability & Improved Performance is crafted with a platinum center electrode firing tip that ensures quicker firing, smoother starts, and better acceleration while boosting fuel efficiency. Engineered with a platinum firing tip to prevent gap erosion, it offers a longer service life, making it ideal for older engine applications. The high alumina ceramic insulator enhances thermal conductivity and insulation, providing superior strength, while the multi-rib design prevents flash-over for reliable performance. Its nickel-plated shell resists corrosion, ensuring extended durability even in demanding conditions. Featuring a mid-projection standard center electrode design and a flat seat type, this performance-grade spark plug is backed by over 100 years of engineering expertise and a legacy of more than 11 billion plugs sold. Designed in the USA, it combines advanced materials like platinum and nickel to deliver consistent reliability and value for your vehicle.
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E3 – E3 DiamondFIRE Spark Plug: More Power & Fuel Efficiency, E3.52 (Part No.E3.52)

E3 DiamondFIRE Spark Plug: More Power & Fuel Efficiency, E3.52

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$8.49
“The Premium DiamondFire Automotive Spark Plug is engineered to deliver exceptional performance and efficiency for your vehicle. Featuring E3’s patented Diamond Fire edge-to-edge ground electrode, it ensures a faster, more complete burn for smoother acceleration and idle. The innovative “”diamond-shaped”” side wire electrode enhances combustion by quickly igniting the air/fuel mixture, resulting in a larger and faster flame kernel. This translates to improved power output – up to 6% on average – and better fuel efficiency, saving you money while reducing engine carbon deposits. Constructed with durable nickel center and ground electrode tips, this spark plug is built to last. Its gasket seat type ensures a secure fit, and the pre-gapped design eliminates the need for adjustments, making installation hassle-free. With its advanced technology, this spark plug not only boosts engine performance but also contributes to a cleaner, more efficient combustion process.”
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Dorman – Help – Dorman – Help Spark Plug Non-Foulers – 14mm Gasket Seat, 42000 (Part No.42000)

Dorman - Help Spark Plug Non-Foulers - 14mm Gasket Seat, 42000

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$7.99
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.
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Spark Plugs Brands You Can Trust For Your Jeep CJ6

8 trusted brands of Spark Plugs line our shelves, ready to help keep your Jeep CJ6 running smooth. Below are some of the most popular brands and their top Spark Plugs offerings:

Popular Champion Spark Plugs

Champion products for the Jeep CJ6 span several categories. Some of the highest-rated Champion Spark Plugs that will fit your Jeep CJ6 are:

Top Jeep CJ6 Spark Plugs from Autolite

Your Jeep CJ6 will be purring again thanks to Autolite brand Spark Plugs available for online order or in-store pick up. Popular Autolite parts include:

Most Purchased Jeep CJ6 Spark Plugs from E3

When you buy the most frequently purchased E3 brand Spark Plugs, you can be confident it will be the right part for your Jeep CJ6. Here are the E3 Spark Plugs Advanced Auto customers buy the most:
ACDelco Conventional Spark Plug, R43S
from $6.49
(13)
ACDelco Conventional Spark Plug, R43S
Spark Plugs

FAQs for Jeep CJ6 Spark Plugs

What are the most purchased Spark Plugs for the Jeep CJ6?

Out of 34 Spark Plugs for the Jeep CJ6, the most popular in our inventory are:
ACDelco Conventional Spark Plug, R43S
from $6.49
(13)
ACDelco Conventional Spark Plug, R43S
Spark Plugs

What are the top-rated Jeep CJ6 Spark Plugs?

Top-rated Spark Plugs for your Jeep CJ6 based on customer reviews/ratings are:
DiamondFire Spark Plug (E3.46): Enhanced Power & Fuel Efficiency
from $8.49
(16)
DiamondFire Spark Plug (E3.46): Enhanced Power & Fuel Efficiency
“Comical relief aside, I had a water Fowler plug in my pressure washer and chose to replace it. Washer works great!”
ACDelco Conventional Spark Plug, R45
from $6.49
(15)
ACDelco Conventional Spark Plug, R45
“Plug works great for an upgrade or OEM replacemant and will outlast standard plugs with improved reliability. Very good for the price”
Champion Copper Plus Small Engine Spark Plug J8C - Dependable Performance & Durability, 841
from $4.49
(13)
Champion Copper Plus Small Engine Spark Plug J8C – Dependable Performance & Durability, 841
“Ready for me within one hour. No problem!”