2021 Toyota Highlander Ignition Sensors

Keep Your 2021 Toyota Highlander in Top Shape with Quality Ignition Sensors

Whether you’re repairing or upgrading your Ignition Sensor, using high-quality parts is key to keeping your 2021 Toyota Highlander looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Knock Sensors. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2021 Toyota Highlander Ignition Sensor at Advance Auto Parts is around $167.05, with a range that starts at $147.99 and goes up to $181.99. With 3 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Ignition Knock (Detonation) Sensor, Genuine OE Ignition Knock (Detonation) Sensor, and FAE Knock Sensor start at just $147.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Ignition Sensor, don’t forget to check out other key components like Ignition Coils and Boots and Spark Plugs. At Advance Auto Parts, we’re here to help you keep your 2021 Toyota Highlander in peak condition, inside and out.

Essential 2021 Toyota Highlander Ignition Sensors

NTK – Ignition Knock (Detonation) Sensor (Part No.ID0166)

Ignition Knock (Detonation) Sensor

from

$177.99
Building upon a foundation of premium full-line products established under NGK ignition and NTK oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand: NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • Reinforced and extra-strength components are used to reduce chance of part failure and prevent corrosion and moisture penetration. Mounting threads match OE for easy, worry free installation.
  • NTK’s Ignition Knock Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper ignition timing. This advanced technology is used for durability, drivability and fuel economy.
  • The Ignition Knock (Detonation) Sensor monitors vibrations caused by engine knock, or detonation, to alter the ignition timing and prevent detonation.
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Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC3663)

Ignition Knock (Detonation) Sensor

from

$84.99
MotoRad 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

FAE – FAE Knock Sensor (Part No.F6020176532FAE)

FAE Knock Sensor

from

$171.18
The FAE OE quality knock sensor is engineered to the exact specifications of the vehicle manufacturer to ensure the replacement sensor is the same in quality and function as the part installed as first equipment.

Product Features:
  • OEM quality direct fit application
  • Ground-isolated design with two-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Mounting hole is the same size as OE
  • Maintains OE specifications for frequency response
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NTK – Ignition Knock (Detonation) Sensor (Part No.ID0215)

Ignition Knock (Detonation) Sensor

from

$133.99
Building upon a foundation of premium full-line products established under NGK ignition and NTK oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand: NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • Reinforced and extra-strength components are used to reduce chance of part failure and prevent corrosion and moisture penetration. Mounting threads match OE for easy, worry free installation.
  • NTK’s Ignition Knock Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper ignition timing. This advanced technology is used for durability, drivability and fuel economy.
  • The Ignition Knock (Detonation) Sensor monitors vibrations caused by engine knock, or detonation, to alter the ignition timing and prevent detonation.
See More

Encore Automotive – Genuine OE Ignition Knock (Detonation) Sensor (Part No.SKS-J50006)

Genuine OE Ignition Knock (Detonation) Sensor

from

$147.99
Encore Automotive Genuine OE knock sensor detects excessive/unusual pulses caused by the engine ignition and makes proper adjustments to reduce the risk of damaging pistons. Encore Automotive is dedicated to bringing the latest original equipment technologies to the Aftermarket to provide the highest overall value.

Product Features:
  • Genuine OE Part
  • Highly accurate engine vibration detection
  • Excellent material quality
See More

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC3674)

Ignition Knock (Detonation) Sensor

from

$181.99
MotoRad 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

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBA3771)

Ignition Knock (Detonation) Sensor

from

$169.99
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.
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Most Popular Knock Sensors for 2021 Toyota Highlanders

Enhance your 2021 Toyota Highlander with one of the 3 Knock Sensors we have in stock, starting at just $147.99.

Carquest Premium – Ignition Knock (Detonation) Sensor (Part No.SBC3674)

Ignition Knock (Detonation) Sensor

from

$181.99
MotoRad 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

FAE – FAE Knock Sensor (Part No.F6020176532FAE)

FAE Knock Sensor

from

$171.18
The FAE OE quality knock sensor is engineered to the exact specifications of the vehicle manufacturer to ensure the replacement sensor is the same in quality and function as the part installed as first equipment.

Product Features:
  • OEM quality direct fit application
  • Ground-isolated design with two-wire shielded harness helps protect the sensor signal from electro-magnetic interference (EMI)
  • Mounting hole is the same size as OE
  • Maintains OE specifications for frequency response
See More

Encore Automotive – Genuine OE Ignition Knock (Detonation) Sensor (Part No.SKS-J50006)

Genuine OE Ignition Knock (Detonation) Sensor

from

$147.99
Encore Automotive Genuine OE knock sensor detects excessive/unusual pulses caused by the engine ignition and makes proper adjustments to reduce the risk of damaging pistons. Encore Automotive is dedicated to bringing the latest original equipment technologies to the Aftermarket to provide the highest overall value.

Product Features:
  • Genuine OE Part
  • Highly accurate engine vibration detection
  • Excellent material quality
See More

FAQs for 2021 Toyota Highlander Ignition Sensors

What are the best-selling Ignition Sensors for 2021 Toyota Highlanders?

Out of 3 Ignition Sensors that fit 2021 Toyota Highlanders, the following parts are the top sellers:

What’s the price range for 2021 Toyota Highlander Ignition Sensors?

The prices of Ignition Sensors for the 2021 Toyota Highlander range from $147.99 up to $181.99 for the most premium parts.

What is the average price of an Ignition Sensors Ignition Sensor for a 2021 Toyota Highlander?

The average price for Ignition Sensors for the 2021 Toyota Highlander is $167.05. Keep in mind the variety of part types within our Ignition Sensor category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Ignition Sensors for other Toyota Highlander model years?

Yes, we carry Ignition Sensors for 20 model years of Toyota Highlanders between 2001 and 2022. The following model years are the most popular for Ignition Sensor purchases: 2022, 2020, 2019, 2018, 2017, 2016, 2015, 2014, and 2013.

What are the cheapest Ignition Sensors for my 2021 Toyota Highlander?

The cheapest 2021 Toyota Highlander Ignition Sensors we carry are:

Does Advance Auto Parts sell Ignition Sensors for any other 2021 Toyota models?

Yes. We stock Ignition Sensors for 10 other popular 2021 Toyota models. Some of the most popular are 2021 Corolla Ignition Sensors, 2021 4Runner Ignition Sensors, 2021 Camry Ignition Sensors, 2021 Land Cruiser Ignition Sensors, and 2021 Avalon Ignition Sensors.

What types of Ignition Sensors do you sell for my 2021 Toyota Highlander?

We currently have just 1 Ignition Sensor in stock for a 2021 Toyota Highlander, and as of 4/10/25, it is a Knock Sensor.

Can I get help with 2021 Toyota Highlander Ignition Sensor orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Toyota Ignition Sensors and more.

What is your return policy for Toyota Highlander Ignition Sensors?

Advance Auto Parts keeps returns simple. For new Toyota Highlander Ignition Sensors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.