2025 Subaru Legacy Ignition and Tune-Up Products

Essential Ignition and Tune-Up Products for 2025 Subaru Legacies

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA5405)

Ignition Knock (Detonation) Sensor

from

$169.99
Carquest Premium knock sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium knock sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. We utilize advanced technology to design sensors that are, in many cases, stronger than OE parts. Carquest Premium knock sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium knock sensors 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:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Trivalent iridescent chromate plating prevents corrosion
  • Silicone seals prevent moisture intrusion preventing false codes and sensor failure
  • Wiring harnesses utilize high-temperature insulation when applicable
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Carquest Premium – Knock Sensor (Part No.SBC3964)

Knock Sensor

from

$99.99
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 Carquest 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.
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Carquest Premium – Knock Sensor (Part No.EKC1038)

Knock Sensor

from

$105.99
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 Carquest 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

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA4303)

Ignition Knock (Detonation) Sensor

from

$104.99
Carquest Premium knock sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium knock sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. We utilize advanced technology to design sensors that are, in many cases, stronger than OE parts. Carquest Premium knock sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium knock sensors 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:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Trivalent iridescent chromate plating prevents corrosion
  • Silicone seals prevent moisture intrusion preventing false codes and sensor failure
  • Wiring harnesses utilize high-temperature insulation when applicable
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.EKA1047)

Ignition Knock (Detonation) Sensor

from

$107.99
Carquest Premium knock sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium knock sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. We utilize advanced technology to design sensors that are, in many cases, stronger than OE parts. Carquest Premium knock sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium knock sensors 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:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Trivalent iridescent chromate plating prevents corrosion
  • Silicone seals prevent moisture intrusion preventing false codes and sensor failure
  • Wiring harnesses utilize high-temperature insulation when applicable
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC3742)

Ignition Knock (Detonation) Sensor

from

$103.99
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 Carquest 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

Carquest Premium – Knock Sensor (Part No.SBC3975)

Knock Sensor

from

$158.99
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 Carquest 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

Dorman – Engine Knock Sensor And Harness Kit (Part No.962-701)

Engine Knock Sensor And Harness Kit

from

$63.99
Check engine light on and vehicle running rough? Could be a failed knock sensor. This ignition knock sensor kit combines both necessary sensors and the wiring harness that joins them for a complete repair in one package.

Product Features:
  • Complete solution – this knock sensor kit includes two knock sensors and the wiring harness that connects them
  • Plug-and-play installation – matches original wiring harness, requiring no cutting or splicing
  • Quality assured – benchmarked against original components for performance and quality
  • Excellent value – original equipment quality at significant cost savings
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Carquest Premium – Knock Sensor (Part No.SBC3761)

Knock Sensor

from

$56.99
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 Carquest 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

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA4304)

Ignition Knock (Detonation) Sensor

from

$89.99
Carquest Premium knock sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium knock sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. We utilize advanced technology to design sensors that are, in many cases, stronger than OE parts. Carquest Premium knock sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium knock sensors 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:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Trivalent iridescent chromate plating prevents corrosion
  • Silicone seals prevent moisture intrusion preventing false codes and sensor failure
  • Wiring harnesses utilize high-temperature insulation when applicable
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Carquest Premium – Knock Sensor (Part No.SBC3818)

Knock Sensor

from

$82.99
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 Carquest 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

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC3697)

Ignition Knock (Detonation) Sensor

from

$41.99
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 Carquest 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

Carquest Premium – Knock Sensor (Part No.SBC3762)

Knock Sensor

from

$95.99
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 Carquest 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

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

Ignition Knock (Detonation) Sensor

from

$53.99
Carquest Premium knock sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium knock sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. We utilize advanced technology to design sensors that are, in many cases, stronger than OE parts. Carquest Premium knock sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium knock sensors 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:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Trivalent iridescent chromate plating prevents corrosion
  • Silicone seals prevent moisture intrusion preventing false codes and sensor failure
  • Wiring harnesses utilize high-temperature insulation when applicable
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Sylvania – 194 ZEVO: White LED Mini Bulb, Super Bright, 2 Pack (Part No.194LED.BP2)

194 ZEVO: White LED Mini Bulb, Super Bright, 2 Pack

from

$23.99
Upgrade your vehicle with ZEVO® LED miniature bulbs for added style, performance, and the many benefits of LEDs. Instantly enhance the interior and exterior lighting applications of your vehicle with a modern bright white light for head-turning style and increased visibility by other motorists. Easy-to-install with a robust design and high-quality components, ZEVO replacement bulbs are backed by a limited warranty to provide exceptional performance through the life of the vehicle. Also available in an array of colors to update your car or truck.

Product Features:
  • HIGH EFFICIENY: Delivers greater clarity with less power consumption and longer bulb life when compared to standard incandescent bulbs
  • RELIABLE: Thermal management to maximize life, matched with robust design that withstands temperature and shock for optimal performance
  • NON-POLARITY DESIGN: Plug & play easy installation; SYLVANIA ZEVO LED bulbs light on two sides and can be installed either direction
  • INSTANT ON: Provide full brightness instantly, giving drivers around you more time to react, compared to the slower light-up with Incandescent bulbs
  • BRIGHT WHITE LIGHT: Ideal for use in Daytime running lights (DRL), back up/reverse, map, dome, trunk, cargo and license plate light bulb replacement
  • HYPERFLASH: For some vehicles, installing a load equalizer may be required to eliminate hyper flash or dashboard error messages
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Always replace bulbs in pairs to ensure equal brightness and color.
  • SAFETY: High-quality SYLVANIA bulbs are designed to perform to all relevant safety standards set for the lighting application.
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Upgrade your 2025 Subaru Legacy with Top-Quality Ignition and Tune-Up Products

When it comes to maintaining or upgrading your 2025 Subaru Legacy, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Subaru or enhancing its overall performance, Ignition and Tune-Up Products are key to keeping your Legacy functioning at its best. At Advance Auto Parts, we offer a wide selection of 2 Ignition and Tune-Up Products for the 2025 Subaru Legacy, designed to meet your needs without breaking the bank. From Ignition Sensor replacements to Ignition Switches upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Ignition and Tune-Up Products for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Ignition and Tune-Up Products for your 2025 Subaru Legacy at great prices. Our Ignition and Tune-Up Products inventory for this model ranges from just $23.99 to $169.99, with an average price of $96.99. Our 2 Ignition and Tune-Up Products in stock come from 2 trusted brands, so you’re sure to find the right part for your 2025 Subaru Legacy without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2025 Subaru Legacy, we stock popular OEM and aftermarket Ignition and Tune-Up Products from top names like Sylvania, and more. Sylvania Ignition and Tune-Up Products start at just $23.99 and boast an impressive 4.3 stars average rating from customers. With 3 customer reviews and counting, our 2025 Subaru Legacy Ignition and Tune-Up Products have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Ignition and Tune-Up Product upgrades. Explore related part types like Steering and Chassis Parts, Wipers and Related Products and more to make sure your 2025 Subaru Legacy is always ready to roll. We’re committed to providing you with everything you need to keep your Legacy in top shape, all in one place. Start shopping confidently below for your 2025 Subaru Legacy!

Best-Selling Ignition Sensors for 2025 Subaru Legacies

Enhance the driving experience in your Subaru with 1 quality Ignition Sensor components, starting at $169.99.

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA5405)

Ignition Knock (Detonation) Sensor

from

$169.99
Carquest Premium knock sensors are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Carquest Premium knock sensors are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. We utilize advanced technology to design sensors that are, in many cases, stronger than OE parts. Carquest Premium knock sensors undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium knock sensors 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:
  • Designed to meet or exceed OE specifications for fit, form and function
  • Trivalent iridescent chromate plating prevents corrosion
  • Silicone seals prevent moisture intrusion preventing false codes and sensor failure
  • Wiring harnesses utilize high-temperature insulation when applicable
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Most Popular 2025 Subaru Legacy Ignition Switches

Customize your Subaru with 1 Ignition Switches products like Ignition Switch Bulbs, all priced under $23.99.

Sylvania – 194 ZEVO: White LED Mini Bulb, Super Bright, 2 Pack (Part No.194LED.BP2)

194 ZEVO: White LED Mini Bulb, Super Bright, 2 Pack

from

$23.99
Upgrade your vehicle with ZEVO® LED miniature bulbs for added style, performance, and the many benefits of LEDs. Instantly enhance the interior and exterior lighting applications of your vehicle with a modern bright white light for head-turning style and increased visibility by other motorists. Easy-to-install with a robust design and high-quality components, ZEVO replacement bulbs are backed by a limited warranty to provide exceptional performance through the life of the vehicle. Also available in an array of colors to update your car or truck.

Product Features:
  • HIGH EFFICIENY: Delivers greater clarity with less power consumption and longer bulb life when compared to standard incandescent bulbs
  • RELIABLE: Thermal management to maximize life, matched with robust design that withstands temperature and shock for optimal performance
  • NON-POLARITY DESIGN: Plug & play easy installation; SYLVANIA ZEVO LED bulbs light on two sides and can be installed either direction
  • INSTANT ON: Provide full brightness instantly, giving drivers around you more time to react, compared to the slower light-up with Incandescent bulbs
  • BRIGHT WHITE LIGHT: Ideal for use in Daytime running lights (DRL), back up/reverse, map, dome, trunk, cargo and license plate light bulb replacement
  • HYPERFLASH: For some vehicles, installing a load equalizer may be required to eliminate hyper flash or dashboard error messages
  • EASY DIY INSTALLATION: A direct replacement for the factory bulbs in your vehicle, no modification required
  • SMART MAINTENANCE: Always replace bulbs in pairs to ensure equal brightness and color.
  • SAFETY: High-quality SYLVANIA bulbs are designed to perform to all relevant safety standards set for the lighting application.
  • TRUSTED BRAND: SYLVANIA is a trusted OEM automotive lighting manufacturer, with over 100 years of superior optical engineering experience
See More

Top-Rated Ignition and Tune-Up Products Brands For Your 2025 Subaru Legacy

Shop for the best-rated brands offering Ignition and Tune-Up Products and other products for your 2025 Subaru Legacies. Below you’ll find some of our best rated Ignition and Tune-Up Products from Sylvania, and more. Ignition and Tune-Up Products from these brands that fit a 2025 Legacy start at just $23.99 and are rated as high as 4.3 stars. OEM and aftermarket Ignition and Tune-Up Products don’t get more top quality, durable, and affordable than from the brands below.

Popular Sylvania 2025 Subaru Legacy Ignition and Tune-Up Products

When it comes to maintaining or upgrading your 2025 Subaru Legacy, using quality Ignition and Tune-Up Products is essential to ensure durability and a perfect fit. Sylvania ticks all of those boxes. We offer a wide selection of Sylvania Ignition and Tune-Up Products, specifically designed for the 2025 Subaru Legacy. With over 1 Sylvania brand Ignition and Tune-Up Products in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $23.99. Plus, with over 1 customer reviews and an average rating of 4.3 stars, you can trust that our Sylvania Ignition and Tune-Up Products will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
194 ZEVO: White LED Mini Bulb, Super Bright, 2 Pack
from $23.99
(1)
194 ZEVO: White LED Mini Bulb, Super Bright, 2 Pack
“Every bit as bright as I had hoped.”