1990 Jeep Wrangler Spark Plugs

Essential 1990 Jeep Wrangler Spark Plugs

NGK – OE Series Laser Platinum Spark Plug: Fine Wire Tip Design, PLZTR4A-13 (Part No.4997)

OE Series Laser Platinum Spark Plug: Fine Wire Tip Design, PLZTR4A-13

from

$16.99
NGK Laser Platinum spark plugs provide high ignitability and longer service life compared to conventional nickel spark plugs. Laser Platinum plugs are tested to the highest standards to ensure quality and durability. Engineered specifically for OE applica

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction fine wire platinum alloy center electrode provides consistent performance
  • PLATINUM ALLOY CENTER ELECTRODE: Longer wearing and higher temperature resistance compared to traditional nickel spark plugs
  • PLATINUM TIP GROUND ELECTRODE: Unless OE specified, platinum protection at the ground electrode provides excellent ignitability and service life
  • 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: Best for vehicles with OE fine wire platinum alloy plugs
See More

DENSO – Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, SXU22HCR11S (Part No.3461)

Iridium Long-Life Spark Plug:  OE Performance, last 100K+ Miles, SXU22HCR11S

from

$17.49
Manufactured to the strictest OE performance, durability and emissions standards.

Product Features:
  • Latest OE technology with DENSO’s patented Iridium Alloy (90% Ir) and fine wire center electrode
  • Platinum ground electrode for extended life
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Sustained spark performance over 100,000 miles
  • Lasts up to three times as long as conventional plugs
  • Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
  • Iridium Long Life
See More

Champion – Double Platinum & Power Spark Plug Exceptional Perf OE Replacement RE14PLP5 (Part No.7440)

Double Platinum & Power Spark Plug Exceptional Perf OE Replacement RE14PLP5

from

$9.49
Champion® Double Platinum Power™ spark plugs deliver more powerful performance. Featuring exclusive Heat-Active™ alloy, platinum fine wire center electrode and platinum pad ground electrode provide maximum life and sharper spark focus.

Product Features:
  • Double Platinum Power – Premium Spark Plug. More Powerful Performance.
  • Platinum center and ground electrode for greater wear resistance
  • Maintains stable operating temperature under all engine loads
  • Fine-wire center electrode for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Heat-Active™ alloy allows electrodes to reach optimal temperature
See More

Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP5701)

Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life

from

$5.29
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:
  • 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
See More

Omix – Spark Plug; Copper Plus (Part No.RC12LYC)

Spark Plug; Copper Plus

from

$8.49
Is your Jeep running rough? Changing the spark plugs will usually help it run better. Over time the electrode will erode causing a larger spark gap. Spark plugs are usually easy to replace.

Product Features:
  • Champion Spark Plug
  • Copper Core
See More

Champion – Iridium Spark Plug: Maximum Performance, OE Replacement, RE14WLPB5 (Part No.9440)

Iridium Spark Plug: Maximum Performance, OE Replacement, RE14WLPB5

from

$6.79
Champion® Iridium – the ultimate element. This spark plug’s fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.

Product Features:
  • Champion Iridium – Maximum Performance. Premium Spark Plug
  • Iridium center electrode delivers maximum life
  • Fine-wire center electrode and V-trimmed for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Maintains stable operating temperature under all engine loads
  • Heat-Active™ alloy allows electrodes to reach optimal temperature quickly
See More

NGK – Ruthenium HX High Ignitability Spark Plug: DFE Tip Design, LKR7AHX-S (Part No.96358)

Ruthenium HX High Ignitability Spark Plug: DFE Tip Design, LKR7AHX-S

from

$14.99
NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE t

Product Features:
  • HIGH IGNITABILITY DOUBLE FINE ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with opposed fine wire platinum ground electrode
  • RUTHENIUM ALLOY CENTER ELECTRODE: NGK’s patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
  • PLATINUM PIN TYPE GROUND ELECTRODE: Provides more complete fuel burn, quicker throttle response, smoother idle and better cold starts
  • 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: Modern vehicles using OE DFE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
See More

Autolite Iridium – Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability (Part No.AI5263)

Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability

from

$10.99
Autolite Iridium Ultra Laser Finewire Spark Plugs are one of our brand’s most technologically advanced products. These spark plugs provide superior durability, more focused ignition with better overall ignitability for optimum performance. Autolite Spark Plugs are the best alternative to OE spark plugs, offering OE fit form and function supporting all foreign and domestic makes and models at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs in the world.

Product Features:
  • Autolite Iridium Ultra is an engineered OE replacement iridium spark plug.
  • A laser-welded 0.5mm pure iridium finewire center electrode provides optimal fuel efficiency, acceleration and focused ignitability.
  • Nickel-plated shell to resist corrosion.
  • High-alumina ceramic insulator for increased strength.
  • Laser welded 0.5mm Iridium finewire center electrode.
  • Proprietary platinum sidewire technology.
  • Superior Durability: Autolite Iridium Ultra Laser Finewire Spark Plugs are designed to last longer, providing extended service life compared to standard spark plugs.
  • OE Fit and Function: Autolite Spark Plugs are the best alternative to original equipment (OE) spark plugs, offering perfect fit, form, and function for all foreign and domestic makes and models.
  • High-Quality Construction: As a leading supplier of spark plugs globally, Autolite ensures the highest quality ignition products for both the automotive aftermarket and original equipment manufacturers.
  • Value Pricing: Despite their advanced technology and superior performance, Autolite Iridium Ultra Laser Finewire Spark Plugs are available at a value price, making them an economical choice for vehicle maintenance.
See More

Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP5263)

Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life

from

$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.

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
See More

Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RC12ECC (Part No.438)

Copper Plus Spark Plug: Dependable Performance, OE Replacement, RC12ECC

from

$4.49
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

Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP985)

Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life

from

$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.

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
See More

NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, LZTR4AIX-11 (Part No.2313)

Iridium IX Spark Plug: Single Iridium Fine Wire, LZTR4AIX-11

from

$11.99
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.

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 enhance 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.
See More

Champion – Champion Iridium Spark Plug RER8ZWYPB4 (Part No.9417)

Champion Iridium Spark Plug RER8ZWYPB4

from

$10.49
Champion® Iridium – the ultimate element. This spark plug’s fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.

Product Features:
  • Champion Iridium – Maximum Performance. Premium Spark Plug
  • Iridium center electrode delivers maximum life
  • Fine-wire center electrode and V-trimmed for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Maintains stable operating temperature under all engine loads
  • Heat-Active™ alloy allows electrodes to reach optimal temperature quickly
See More

Champion – Iridium Spark Plug: Fine-Wire Electrode for Maximum Performance (Part No.9407)

Iridium Spark Plug: Fine-Wire Electrode for Maximum Performance

from

$11.99
The Champion® Iridium spark plug is engineered for maximum performance with its premium iridium center electrode that delivers exceptional longevity. The fine-wire center electrode and V-trimmed ground electrode ensure greater ignitability and sharper spark focus. This spark plug maintains a stable operating temperature under all engine loads, thanks to its Heat-Active alloy that allows electrodes to reach optimal temperature quickly. With a flat seat type and resistor, the Champion Iridium spark plug is the ultimate choice for those seeking superior engine performance.

Product Features:
  • Champion Iridium – Maximum Performance. Premium Spark Plug
  • Iridium center electrode delivers maximum life
  • Fine-wire center electrode and V-trimmed for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Maintains stable operating temperature under all engine loads
  • Heat-Active alloy allows electrodes to reach optimal temperature quickly
  • Flat Seat Type: Designed with a flat seat type for a secure fit and optimal performance.
  • Built-In Resistor: Includes a resistor to ensure superior engine performance and reduce electromagnetic interference.
See More

Dorman – Help – Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach (Part No.42004)

Spark Plug Non-Foulers - 14mm Gasket Seat Long Reach

from

$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.

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
See More

1990 Jeep Wrangler Spark Plugs

Maybe you’re in the middle of a full rebuild of that 1990 Jeep Wrangler. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 18 different Spark Plugs in our inventory ranging from $3.49 to $9.99. That means you can find the exact parts or products you need to keep that 1990 Jeep Wrangler running smoothly.

Spark Plugs are only as good as their brand. We stock 8 different brands to make sure you have plenty of trusted parts to choose from for your 1990 Jeep Wrangler. 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 1990 Jeep Wrangler, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,588 reviews in this category, some of the top rated parts include OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, FR5-1 with 4.7 stars and Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach with 3.7 stars.

So if you’re in the market for aftermarket Spark Plugs to keep your 1990 Jeep Wrangler 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 1990 Jeep Wrangler Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1990 Jeep Wrangler 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 Wrangler the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.

FAQs for 1990 Jeep Wrangler Spark Plugs

What are the most purchased Spark Plugs for the 1990 Jeep Wrangler?

Out of 18 Spark Plugs for the 1990 Jeep Wrangler, the most popular in our inventory are:
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
from $9.99
This product is not rated
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs

What are the top-rated 1990 Jeep Wrangler Spark Plugs?

Top-rated Spark Plugs for your 1990 Jeep Wrangler based on customer reviews/ratings are:
OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, FR5-1
from $4.79
(10)
OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, FR5-1
“Excellent product. I’d recommend anyone to use these spark plugs.”
Spark Plug Non-Foulers - 14mm Gasket Seat Long Reach
from $9.99
(3)
Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach
“Good tool. Deep socket.”