1981 Jeep CJ5 Spark Plugs
More 1981 Jeep CJ5 Spark Plugs
Find your specific 1981 Jeep CJ5 original or aftermarket Spark Plugs below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 1981 Jeep CJ5 Spark Plugs
Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.306)
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$1.99
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.
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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: Autolite Copper Core spark plugs are engineered to ensure quick and reliable engine starts.
- Good Fuel Economy: Designed to optimize fuel efficiency, these spark plugs help you get the most out of every gallon.
- Smooth Acceleration: Experience smoother acceleration with Autolite Copper Core spark plugs, enhancing overall driving performance.
- OES Design Compliance: These spark plugs meet or exceed Original Equipment Service (OES) design requirements, ensuring high-quality performance.
- Gasket Seat Type: Featuring a gasket seat type, these spark plugs provide a secure and effective seal for optimal engine function.
DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IW16TT (Part No.4708)
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$10.99
Durability of an OE style plug combined with Power & Torque of high performance.
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Product Features:
- 0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
- 0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
- DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
- DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
- Durability of an OE style plug combined with Power & Torque of high performance.
- Withstands temperatures greater than 4000┬░ Fahrenheit
- Iridium TT
- Enhanced Fuel Economy and Lower Emissions: Drive around the Earth over 4 times with improved fuel efficiency and reduced emissions.
- Reliable and Durable: The flat seat type design ensures a secure fit and consistent performance throughout its lifespan.
Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP985)
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$6.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.
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Product Features:
- Works to optimize engine performance for a longer life and improved fuel economy
- OE design
- Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
- Platinum ball welding process provides a consistent point of contact for enhanced adhesion
Autolite – Small Engine Display Pack (Part No.295DP)
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$1.99
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased 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
Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP666)
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$8.99
Our best spark plug! Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.
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Product Features:
- 0.6 mm finewire design improves ignitability
- Patented V-trimmed platinum sidewire technology resists wear
- OE equivalent design is engineered for every engine
- Designed for better overall durability with virtually no gap erosion
Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.85)
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$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.
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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 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.
DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, ITF16 (Part No.5330)
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$10.79
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).
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Product Features:
- World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
- Patented 360-degree laser welding assembly process
- U-groove and taper cut ground electrode to maximize flame propagation.
- Withstands temperatures greater than 4000┬░ Fahrenheit
- Burnished nickel plating for high temperature endurance and superior corrosion resistance
- Wide range of part numbers for thousands of applications, including classic and collector cars
- Iridium Power
- Superior Performance: Designed for maximum performance under extreme conditions, this spark plug delivers more horsepower, faster and easier starts, and fewer misfires under heavy loads.
- Enhanced Fuel Efficiency: The advanced iridium technology of the DENSO Iridium Power spark plug contributes to better fuel efficiency, making it an economical choice for your vehicle.
- Low Voltage Requirement: This spark plug requires 5,000 volts less to fire compared to conventional spark plugs, ensuring reliable ignition with lower energy consumption.
NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, UR45IX (Part No.7559)
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$9.99
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
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Product Features:
- SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
- TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
- Outstanding Acceleration and High Fuel Efficiency: NGK Iridium IX spark plugs are engineered to deliver superior acceleration and enhanced fuel efficiency, making them ideal for performance enthusiasts.
- Extreme Ignitability and Anti-Fouling: These spark plugs offer exceptional ignitability and anti-fouling properties, ensuring reliable performance and longevity.
- High-Performance Upgrade Option: For those seeking even greater performance, NGK recommends upgrading to their Ruthenium HX plugs.
NGK – OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, ZFR5A-11 (Part No.5084)
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$4.49
NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.
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Product Features:
- ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
- RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
- NGK’s OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
DENSO – U-Groove Spark Plug: OE Performance, lasts 30K+ Miles, W16EXR-U (Part No.3031)
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$2.79
U-Groove design provides better ignitability for increased engine efficiency.
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Product Features:
- Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
- Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
- Wide range of part numbers for thousands of applications, including classic and collector cars
- Lasts twice as long as most conventional plugs
- 100% pre-fired to assure reliable operation
- U-Groove Conventional
Champion – Platinum Power Spark Plug: Powerful Perfromance, OE Replacement, RN14PMC (Part No.3405)
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$3.99
Champion® Platinum Power spark plugs deliver powerful performance with their premium design. Featuring a platinum center electrode for long life and a fine-wire center electrode for greater ignitability, these spark plugs ensure optimal engine performance. The V-trimmed ground electrode promotes sharper spark focus, while the exclusive Heat-Active alloy allows the electrodes to reach optimal temperature. Additionally, the platinum-tipped center wire resists wear and helps maintain the proper gap specification throughout the life of the plug. With a flat seat type and integrated resistor, this spark plug is an ideal OE replacement.
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Product Features:
- Platinum Power- Premium Spark Plug. Powerful Performance.
- Platinum center electrode for long life
- Fine-wire center electrode for greater ignitability
- V-trimmed ground electrode promotes sharper spark focus
- Heat-Active alloy allows electrodes to reach optimal temperature
- Platinum tipped center wire resists wear and helps to maintain proper gap spec over life of the plug
- Integrated Resistor and Flat Seat Type: Equipped with an integrated resistor and flat seat type, making it an ideal OE replacement for various engines.
DENSO – PW16TT Platinum TT Spark Plug (Part No.4501)
Champion – Champion Copper Plus Small Engine- Single Card – J8C (Part No.841-1)
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$2.99
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
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Product Features:
- Resists fouling
- Superior corrosion resistance
- Dependable and proven performance
- Increased conductivity and heat control for good overall wear
DENSO – U-Groove Spark Plug: OE Performance, lasts 30K+ Miles, QJ16HR-U (Part No.5018)
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$3.49
OE Performance, lasts 30K+ Miles, QJ16HR-U. The unique U-Groove ground electrode is one of the finest features of DENSO spark plugs. This patented design fires leaner mixtures than conventional plugs, enhancing ignitability for better emission gas purification and fuel consumption. Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads, ensuring a secure fit. With a wide range of part numbers, these spark plugs cater to thousands of applications, including classic and collector cars. Built to last twice as long as most conventional plugs, each unit is 100% pre-fired to assure reliable operation. The center electrode tip is made of durable nickel, and the flat seat type ensures optimal performance.
Product Features:
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Product Features:
- Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
- Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
- Wide range of part numbers for thousands of applications, including classic and collector cars
- Lasts twice as long as most conventional plugs
- 100% pre-fired to assure reliable operation
- U-Groove Conventional
- Durable Nickel Center Electrode: The center electrode tip is made of durable nickel, ensuring long-lasting performance and reliability.
Dorman – Help – Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach (Part No.42004)
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$9.99
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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Product Features:
- Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles
- Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
- Durable construction – made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Help – Spark Plug Non-Foulers – 14mm Tapered Seat (Part No.42006)
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$6.99
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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Product Features:
- Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles
- Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
- Durable construction – made from quality components to ensure reliable performance and a long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Popular 1981 Jeep CJ5 Spark Plugs Categories
1981 Jeep CJ5 Spark Plugs
Maybe you’re in the middle of a full rebuild of that 1981 Jeep CJ5. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 41 different Spark Plugs in our inventory ranging from $2.29 to $11.99. That means you can find the exact parts or products you need to keep that 1981 Jeep CJ5 running smoothly.
Spark Plugs are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 1981 Jeep CJ5. Autolite, Champion, and E3 are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!
We know you’ll find the perfect Spark Plugs for your 1981 Jeep CJ5, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 635 reviews in this category, some of the top rated parts include Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life with 4.5 stars and DiamondFIRE Automotive Spark Plug: More Power, Saves Gas with 3.9 stars.
So if you’re in the market for aftermarket Spark Plugs to keep your 1981 Jeep CJ5 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!
Spark Plugs Brands To Make Your 1981 Jeep CJ5 Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 1981 Jeep CJ5 demands trusted brand parts and products to keep it running. Many trusted brands of Spark Plugs make up Advance Auto Parts’ inventory, and all are ready to help make your CJ5 the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.
Popular Champion Spark Plugs
We carry Champion parts in our stock across Spark Plugs categories, plus more. For a 1981 Jeep CJ5, our most popular Champion Spark Plugs include:
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(21)
Double Platinum & Power Spark Plug Exceptional Perf OE Replacement RC12PEPB5
Spark Plugs
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Platinum Power Spark Plug: Powerful Perfromance, OE Replacement, RC12PEC5
Spark Plugs
Top 1981 Jeep CJ5 Spark Plugs from Autolite
Autolite products are another trusted brand when it comes to Spark Plugs for your 1981 Jeep CJ5. Popular Autolite parts include:
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$4.79
(126)
Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration
Spark Plugs
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Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration
Spark Plugs
FAQs for 1981 Jeep CJ5 Spark Plugs
What are the most purchased Spark Plugs for the 1981 Jeep CJ5?
Out of 41 Spark Plugs for the 1981 Jeep CJ5, the most popular in our inventory are:
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$9.99
This product is not rated
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs
What are the top-rated 1981 Jeep CJ5 Spark Plugs?
Top-rated Spark Plugs for your 1981 Jeep CJ5 based on customer reviews/ratings are:
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$6.49
(30)
Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life
“RUNS WELL WITH THEM. RECOMMENDED BY MANY JEEP ENTHUASISTS.”
