1998 Subaru Legacy Spark Plugs
More 1998 Subaru Legacy Spark Plugs
Find your specific 1998 Subaru Legacy 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 1998 Subaru Legacy Spark Plugs
Champion – Champion Copper Plus- Single Card – RC12YC (Part No.71-1)
from
$4.99
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.
Product Features:
See More
Product Features:
- Copper Plus – Dependable Performance.
- Copper core center electrode allows for accurate control of heat range for longer life
- Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance
- Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
- Built to ISO and SAE standards for proven performance
DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IK20TT (Part No.4702)
from
$10.99
Durability of an OE style plug combined with Power & Torque of high performance.
Product Features:
See More
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
- Ultimate Endurance and Power: The DENSO Iridium TT Spark Plug features a 0.7mm Iridium Tip, ensuring over 100,000 miles of uncompromised performance.
- Advanced Twin-Tip Technology: Developed from Original Equipment Specification Super Ignition Plug (SIP) design, combining a Fine Wire Iridium Center Electrode with a Needle Tip Platinum Ground Electrode.
- Enhanced Fuel Economy and Lower Emissions: Drive around the Earth over 4 times with improved fuel efficiency and reduced emissions.
- Premium Materials: Features an Iridium Center Electrode Tip and a Flat Seat Type for optimal performance and durability.
NGK – Laser Platinum Spark Plug (Part No.F100057321NGK)
from
$17.20
NGK Laser Platinum spark plugs provide high ignitability and longer service life. Dual platinum surfaces ensure slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions. The platinum disc welded to backside of ground electrode provides long life, faster starts and quicker acceleration. Laser Platinum spark plugs provide high ignitability and longer service life.
Product Features:
See More
Product Features:
- Laser welded Platinum center electrode tip
- Platinum disc welded to backside of ground electrode provides long life
- Trivalent Metal Plating provides superior anti-corrosion and anti-seizing properties
- Faster starts and quicker acceleration
- Better fuel economy and lower emissions
- Best Platinum spark plug available
- Original Equipment Manufacturer approved design
Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP3924)
from
$6.79
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:
See More
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
NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, LKAR7BIX-11S (Part No.93501)
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 c
Product Features:
See More
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
Champion – Iridium Spark Plug: Maximum Performance, OE Replacement, RC11WYPB4 (Part No.9003)
from
$7.49
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:
See More
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
DENSO – Iridium Long Life Spark Plug (Part No.F100046509ND)
from
$13.52
The DENSO Iridium Long Life spark plug was specifically designed for long service life and consistent performance in the latest, most advanced production cars DENSO’s patented iridium alloy is more durable than even platinum, allowing the center electrode to be shrunk to only 0.7mm in diameter. This produces a dramatic improvement in ignitability and spark plug life. Closely related to platinum and exhibiting even tougher qualities, the rare metal iridium is an ideal material for spark plugs. A fine-wire, 0.7mm iridium center electrode is 360-degree laser welded in place using an exclusive DENSO process, and then matched to a platinum ground electrode. This pair of precision-formed, premium-metal electrodes dramatically extends the plug’s useful life.
Product Features:
See More
Product Features:
- Fine-wire iridium center electrode
- Platinum ground electrode
- 360 degree laser-welded spark tip
- Sustained spark performance over 100,000 miles
- Withstands higher pressures and temperatures
NGK – Ruthenium HX High Ignitability Spark Plug: PSPE Tip Design, FR6BHX-S (Part No.95159)
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 technology as a high ignitability plug; Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.
Product Features:
See More
Product Features:
- HIGH IGNITABILITY PROJECTED SQUARE PLATINUM ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with a unique cut-back PSPE ground electrode
- RUTHENIUM ALLOY CENTER ELECTRODE: NGK’s patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
- PSPE DESIGN: Projected square platinum electrode shape of the ground electrode provides the best ignitability and service life for high heat engines
- 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 PSPE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
- Enhanced Fuel Burn: Provides a more complete fuel burn, resulting in quicker throttle response, smoother idle, and better cold starts.
- Industry-Leading Durability: Ruthenium center electrode ensures exceptional durability and longevity.
ACDelco – Copper Core Spark Plug: Original Equipment Replacement (Part No.41-602)
from
$4.99
ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. 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 GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.
Product Features:
See More
Product Features:
- GM regularly updates production and service part designs to integrate new materials and technologies
- High-Quality Copper Core: Designed with high-quality copper cores for reliable performance and efficient operation.
- Nickel Center Electrode Tip: Features a nickel center electrode tip for enhanced durability and consistent performance.
- OE Replacement: These spark plugs are true OE parts, originally installed or validated by General Motors for GM vehicles.
- Outstanding Suppression Characteristics: Engineered to deliver outstanding suppression characteristics, ensuring smooth and efficient engine performance.
- Versatile Applications: Providing a high-quality replacement for a wide range of vehicles.
Dorman – Help – Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach (Part No.42004)
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:
See More
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
Ishino – Stone Spark Plug Tube Seal (Part No.A8027177121ISH)
from
$9.91
ISHINO STONE® – Corteco Ishino Corporation of Japan – has been manufacturing gaskets since 1932 and tier-1 OEM supplier to Toyota, Honda and other Japanese auto manufacturers.
Product Features:
See More
Product Features:
- Superb quality and precision manufacturing process to ensure overall sealing dependability
- Static sealing solutions are guaranteed to supply strong sealing power to eliminate any leakage
- Manufactured to exact OEM specifications
Nippon Reinz – Spark Plug Tube Seal (Part No.A8027521369NRZ)
from
$5.43
Spark Plug Tube Seal
Popular 1998 Subaru Legacy Spark Plugs Categories
1998 Subaru Legacy Spark Plugs
Maybe you’re in the middle of a full rebuild of that 1998 Subaru Legacy. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 62 different Spark Plugs in our inventory ranging from $3.49 to $18.99. That means you can find the exact parts or products you need to keep that 1998 Subaru Legacy running smoothly.
Spark Plugs are only as good as their brand. We stock 11 different brands to make sure you have plenty of trusted parts to choose from for your 1998 Subaru Legacy. NGK, Autolite, and DENSO 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 1998 Subaru Legacy, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 12,438 reviews in this category, some of the top rated parts include DiamondFIRE Automotive Spark Plug: More Power, Saves Gas with 4.3 stars and Champion Copper Plus- Single Card – RC12YC with 4.7 stars.
So if you’re in the market for aftermarket Spark Plugs to keep your 1998 Subaru Legacy 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 1998 Subaru Legacy Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 1998 Subaru Legacy 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 Legacy the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.
Popular NGK Spark Plugs
We carry NGK parts in our stock across Spark Plugs categories, plus more. For a 1998 Subaru Legacy, our most popular NGK Spark Plugs include:
from
$4.29
(46)
OE Series Standard Nickel Spark Plug: Conventional Tip Design, BKR5ES-11
Spark Plugs
Top 1998 Subaru Legacy Spark Plugs from NGK
NGK products are another trusted brand when it comes to Spark Plugs for your 1998 Subaru Legacy. Popular NGK parts include:
FAQs for 1998 Subaru Legacy Spark Plugs
What are the most purchased Spark Plugs for the 1998 Subaru Legacy?
Out of 62 Spark Plugs for the 1998 Subaru Legacy, the most popular in our inventory are:
from
$10.99
(153)
Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IK20TT
Spark Plugs
from
$9.99
(141)
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs
from
$4.79
(149)
Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration
Spark Plugs
What are the top-rated 1998 Subaru Legacy Spark Plugs?
Top-rated Spark Plugs for your 1998 Subaru Legacy based on customer reviews/ratings are:
from
$6.99
(188)
DiamondFIRE Automotive Spark Plug: More Power, Saves Gas
“great product truck runs better than ever”
from
$4.79
(126)
Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration
“My favorite brand”
