Subaru Legacy Ignition and Tune-Up Products

Essential Subaru Legacy Ignition and Tune-Up Products

DENSO – Spark Plug Wire Set: Carbon Core, 4 Wire Set (Part No.671-4246)

Spark Plug Wire Set: Carbon Core, 4 Wire Set

from

$52.99
DENSO First Time Fit Ignition Wire Sets are identical in form fit color and performance to the factory-installed wire sets. Every part of each wire sets construction meets or exceeds OE/OES standards.

Product Features:
  • Each wire is pre-cut to exact length so the wire set is ready to install right out of the box
  • Identical OE end caps are designed to “click” into place for easy installation and a secure fit
  • Strong connections – through a patented process, the terminals are attached to provide an extremely strong connection, ensuring the cable and boot will not separate during removal and installation
See More

NGK – Laser Iridium Spark Plug (Part No.F1000163781NGK)

Laser Iridium Spark Plug

from

$20.76
NGK’s Laser Iridium Spark Plugs Provide Superior Ignitability and Long Service Life. Fine Wire Iridium Tipped Center Electrode and Fine Wire Platinum Tipped Ground Electrode Ensures Slow Wear Rate Providing Stable Idle, Superior Anti Fouling, Improved Fuel Efficiency and Lower Emissions.

Product Features:
  • Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
  • Corrugated Ribs Prevent Flashover
  • Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
  • Copper Core Aids in Heat Removal
  • Triple Seals Prevent Leakage
See More

NGK – Iridium IX Spark Plug (Part No.F1000400231NGK)

Iridium IX Spark Plug

from

$13.55
The NGK Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling properties. The Iridium alloy has extremely high melting point, ensuring high durability and a consistently stable spark that is perfect for today’s high-tech, high-performance engines. NGK’s IX Iridium Series Plugs were Designed Specifically for the Performance Enthusiast Designed specifically for the performance enthusiast.

Product Features:
  • Fine Wire Center Electrode Ensures High Durability and a Consistently Stable Spark
  • Iridium Alloy has an Extremely High Melting Point, Perfect for Today’s High-Tech, High Performance Engines
  • Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
  • Corrugated Ribs Prevent Flashover
  • Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
  • Copper Core Aids in Heat Removal
  • Triple Seals Prevent Leakage
See More

NGK – Spark Plug Wire Set (Part No.8005)

Spark Plug Wire Set

from

$95.99
NGK variable pitch resistor cables provide uniform resistance and ensure outstanding electrical conductivity in high-quality cables. Outer EPDM/silicone jacket and inner insulation contain high voltage currents for excellent dielectric strength. NGK varia

Product Features:
  • PERFECT FIT FOR YOUR VEHICLE: Built to OEM tolerances with OE quality or better materials
  • BUILT TO LAST: Outer Jacket built to withstand temperatures greater than 250 degrees C, inner insulation EPDM or silicone for best dielectric strength
  • STAINLESS STEEL TERMINALS: Provide the highest possible retention to ensure positive connections through the life of the set
  • PREMIUM ALLOY WINDING: Variable pitch winding over Ferrite magnetic alloy coating delivers ultra low resistance and excellent interference protection
  • CYLINDER LEAD ID: Cylinder lead identification tags where possible make installation easier
See More

Carquest Premium – Coil On Plug Insulator Boot: Spring included, Designed for direct fit (Part No.35-7083)

Coil On Plug Insulator Boot: Spring included, Designed for direct fit

from

$6.99
CARQUEST Premium coil on plug boots are engineered to restore ignition boot reliability and performance. We have OE design providing an exact direct fit for your application and the performance and durability meet or exceed OE requirements. It offers excellent heat resistance as well as maximum protection against spark loss. With durable silicone compound for resistance to high heat or abrasion.

Product Features:
  • Provides excellent heat resistance as well as maximum protection against spark loss.
  • Durable silicone compound for resistance to high heat or abrasion
  • Spring included with the coil boot
  • Design for direct compatibility
  • OE design provides an exact fit for your application
  • Multipack provides one time replace all COP for better deal
See More

Carquest Premium – Ignition Module (Part No.CBE1123)

Ignition Module

from

$212.99
CARQUEST Ignition Modules are built by an ignition systems manufacturer with expertise in the entire vehicle spark system.

Product Features:
  • CARQUEST Ignition Modules creates and refines the timing of the engine using various sensors and readings throughout the spark system in order to create an efficiently running engine.
  • CARQUEST Ignition Modules use current and voltage limiting circuitry in order to prevent the ignition coil from over voltage/current. Over voltages can allow for coils to create excessive heat which can damage to the ignition module resulting in check eng
  • CARQUEST Ignition Modules are 100% individually tested for all product functionalities including over voltage, timing and dwell.
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3677)

Ignition Knock (Detonation) Sensor

from

$41.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest Premium – Knock Sensor (Part No.SBC3762)

Knock Sensor

from

$114.99
Carquest Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

WSO – Ignition Coil (Part No.F3000305581WSO)

Ignition Coil

from

$110.42
WORLD SOURCEONE ignition coils are designed to operate reliably and dependably under all operating conditions and engine rpm ranges, providing the highest engine performance, low exhaust emissions, and fuel economy objectives. Every WSO ignition coil is developed and designed for its specific application, and engineered for maximum performance.

Product Features:
  • OE-Equivalent and a direct fit application
  • Superior, reliable performance compared to competitive products
  • Lower cost alternative to original equipment
  • No additional time consuming steps needed for installation
  • Factory original equipment connectors
  • Improved coil efficiency reduces the need to generate excessive high voltage
  • Designed to provide durability and performance
  • Noise abatement technology to eliminate audible coil noise
  • Lower primary inductance provides high-speed performance
  • Maximum available voltage under all operating conditions
  • TS 16949 Certification
See More

Carquest Premium – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.EBC1097)

Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece

from

$92.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • 100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
  • Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure confidence and product reliability, every time.
See More

Ishino – Stone Spark Plug Tube Seal (Part No.A8027177121ISH)

Stone Spark Plug Tube Seal

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:
  • 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
See More

Nippon Reinz – Spark Plug Tube Seal (Part No.A8027521369NRZ)

Spark Plug Tube Seal

from

$5.43
Spark Plug Tube Seal

DENSO – Spark Plug Wire Set: Carbon Core, 4 Wire Set (Part No.671-4304)

Spark Plug Wire Set: Carbon Core, 4 Wire Set

from

$74.99
DENSO First Time Fit Ignition Wire Sets are identical in form fit color and performance to the factory-installed wire sets. Every part of each wire sets construction meets or exceeds OE/OES standards.

Product Features:
  • Each wire is pre-cut to exact length so the wire set is ready to install right out of the box
  • Identical OE end caps are designed to “click” into place for easy installation and a secure fit
  • Strong connections – through a patented process, the terminals are attached to provide an extremely strong connection, ensuring the cable and boot will not separate during removal and installation
See More

DENSO – Spark Plug Wire Set: Carbon Core, 5 Wire Set (Part No.671-4234)

Spark Plug Wire Set: Carbon Core, 5 Wire Set

from

$71.99
DENSO First Time Fit Ignition Wire Sets are identical in form fit color and performance to the factory-installed wire sets. Every part of each wire sets construction meets or exceeds OE/OES standards.

Product Features:
  • Each wire is pre-cut to exact length so the wire set is ready to install right out of the box
  • Identical OE end caps are designed to “click” into place for easy installation and a secure fit
  • Strong connections – through a patented process, the terminals are attached to provide an extremely strong connection, ensuring the cable and boot will not separate during removal and installation
See More

Carquest Premium – Ignition Lock Cylinder CSE2346 (Part No.CSE2346)

Ignition Lock Cylinder CSE2346

from

$369.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Computer-Aided Design (CAD), laser scanning and 3D printing ┐ utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) ┐ in the connector terminal design process ensures speed-to-market and a precise connector fit guaranteed.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure confidence and product reliability, every time.
See More

Champion – Iridium Spark Plug: Maximum Performance, OE Replacement, RC10WMPB4 (Part No.9002)

Iridium Spark Plug: Maximum Performance, OE Replacement, RC10WMPB4

from

$9.99
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

DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20 (Part No.5304)

Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IK20

from

$11.79
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).

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
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

Carquest Premium – Spark Plug Wire Set: 4 Wires, Increased performance, Designed for direct fit (Part No.35-4277)

Spark Plug Wire Set: 4 Wires, Increased performance, Designed for direct fit

from

$71.99
Product Features:
  • SAEJ2031 Class E cable resist heat (428 Deg. F), cold (-104 Deg. F), electrical interference, abrasion and oil.
  • Stainless steel magnetic winding delivers maximum voltage to the spark plug for more powerful, and longer spark resulting in optimum engine performance while reducing the chance for misfire, and eliminating radio static.
  • 100% Pure silicone external insulation resists oil penetration, for lifetime protection against wire set failure.
  • EPDM inner insulation stops power-robbing voltage leaks.
  • With Magnetic-impregnated Kevlar internal conductors – durable and break resistant
  • Engineered to meet OEM tolerances using variable pitch wire winding, creating better resistance to electric magnetic interference (E.M.I resistance).
  • Excellent interference suppression and consistent performance
  • Easy lock terminals for more convenient installation.
  • Thick silicon outer jacket for excellent heat resistance. Insulating EPDM based compound inner jacket helps minimize voltage drop and enhance durability.
  • Broad coverage available for most vehicles on the road today
  • Include grease pack to ensure easy installation and removal
See More

Intermotor Red Wire – Spark Plug Wire Set (Part No.50375)

Spark Plug Wire Set

from

$58.49
The engineers at Rancho have designed a NEW 4-in. Suspension System for 2017-2013 RAM 1500 4WD Gas and Eco-Diesel models. The system includes Rancho’s fully boxed welded subframe for superior strength and ductile Iron extended steering knuckles.

Product Features:
  • Patented Hi-Gloss Clear Coat Formulation with Hi-temp Silicone Jacket. Enhances abrasion resistance while providing greater protection against severe temperatures
  • Enhanced Wire Core Design matched to OE type – Low ohm, Ferrite mag, Wire wound, Silicone, or Metallic. Channels maximum voltage to spark plug and enhanced RFI protection for better overall performance
See More

NGK – Coil on Plug Boot (Part No.59005)

Coil on Plug Boot

from

$7.29
NGK Coil on Plug Boots are built to stringent OEM tolerances, combining original equipment fit, design and outstanding durability. NGK Coil on Plug Boots are manufactured using only premium silicone and always include any required internal springs and ferrite resistors for superior performance and RFI noise suppression. Bridging the important link between ignition coil and spark plug, COP boots should always be replaced with NGK Coil on Plug Boots at the time as changing spark plugs to prevent ignition problems such as flashover.

Product Features:
  • PREMIUM GRADE SILICONE: Designed to withstand harsh environments
  • OEM MATCHED: Includes all required internal springs and ferrite resistors for superior performance and RFI noise suppression
See More

Carquest Premium – Ignition Switch (Part No.CSA2588)

Ignition Switch

from

$59.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest Premium – Ignition Switch (Part No.CSC2236)

Ignition Switch

from

$112.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest Premium – Ignition Switch (Part No.CSC2141)

Ignition Switch

from

$91.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest Premium – Ignition Switch (Part No.CSA1979)

Ignition Switch

from

$25.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Helping You Find the Right Ignition and Tune-Up Products for Your Subaru Legacy

You love your Legacy. So we’ve made it easier than ever to help you find Subaru Legacy Ignition and Tune-Up Products in our online catalog. Our inventory holds 240 aftermarket and OEM Ignition and Tune-Up Products for your Subaru Legacy, ranging from $2.29 to $369.99.

We offer parts from 24 brands trusted to make quality Ignition and Tune-Up Products for your Subaru Legacy. Before you buy, take some time to read through customer reviews. We currently have 168,348 reviews of Subaru Legacy Ignition and Tune-Up Products from previous customers. Some of the top rated parts include DiamondFIRE Automotive Spark Plug: More Power, Saves Gas with 4.3 stars and Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition with 4.5 stars.

Find your Legacy Ignition and Tune-Up Products here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Subaru Legacy part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Ignition and Tune-Up Products Brands for Your Subaru Legacy

Our inventory holds Ignition and Tune-Up Products for your Subaru Legacy from 24 trusted brands. You’ll find OEM and aftermarket parts from brands like Autolite, NGK, and DENSO, all of which can keep that Subaru happy.

Top-Rated NGK Ignition and Tune-Up Products

Leading NGK Ignition and Tune-Up Products

We carry NGK brand parts for your Subaru Legacy across several catalog categories, including Spark Plugs. Some of our most reviewed NGK parts include:

FAQs for Subaru Legacy Ignition and Tune-Up Products

What are the most purchased Ignition and Tune-Up Products for the Subaru Legacy?

Out of 240 Ignition and Tune-Up Products for the Subaru Legacy, the most popular in our inventory are:

What are the top-rated Subaru Legacy Ignition and Tune-Up Products?

Top-rated Ignition and Tune-Up Products for your Subaru Legacy based on customer reviews/ratings are:
DiamondFIRE Automotive Spark Plug: More Power, Saves Gas
from $6.99
(188)
DiamondFIRE Automotive Spark Plug: More Power, Saves Gas
“great product truck runs better than ever”
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
from $9.99
(174)
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
“Great price after changing old ones to these new ones it’s like my car is a whole new car. Super satisfied and happy with the outcome.”
Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration
from $4.79
(149)
Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration
“Worked great. OEM quality”