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Ignition Knock (Detonation) Sensor (Genuine) for 2017-2023 Subaru Ascent, Impreza, Legacy, Outback NEW

Out of Stock
$ 179 .45

Product Notes

Production: 02/01/2017-

Brand: Genuine
Condition: New
LIFE
TIME
Lifetime Warranty Included
This part is backed by our industry-leading lifetime warranty. Shop with total confidence.
100%money-back 120-dayreturns OE-gradequality
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Specifications & Info



Vehicle Fitment Guide

This part fits the following vehicles:

Subaru 4 models (tapclick to expand)(tapclick to hide)
Ascent 2019-2023 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base SUV 2019 - 2023 H4 2.4L Turbo AWD Automatic CVT
Convenience SUV 2019 - 2023 H4 2.4L Turbo AWD Automatic CVT
Limited SUV 2019 - 2023 H4 2.4L Turbo AWD Automatic CVT
Onyx Edition SUV 2022 - 2023 H4 2.4L Turbo AWD Automatic CVT
Onyx Edition Limited SUV 2023 H4 2.4L Turbo AWD Automatic CVT
Premier SUV 2019 - 2023 H4 2.4L Turbo AWD Automatic CVT
Premium SUV 2019 - 2023 H4 2.4L Turbo AWD Automatic CVT
Touring SUV 2019 - 2023 H4 2.4L Turbo AWD Automatic CVT
Impreza 2017-2023 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base Hatchback 2017 - 2023 H4 2.0L AWD Automatic CVT & Manual
Base Sedan 2017 - 2023 H4 2.0L AWD Automatic CVT & Manual
Convenience Hatchback 2017 - 2023 H4 2.0L AWD Automatic CVT & Manual
Convenience Sedan 2017 - 2022 H4 2.0L AWD Automatic CVT & Manual
Limited Hatchback 2017 - 2023 H4 2.0L AWD Automatic CVT
Limited Sedan 2017 - 2021 H4 2.0L AWD Automatic CVT
Premium Hatchback 2017 - 2023 H4 2.0L AWD Automatic CVT
Premium Sedan 2017 - 2023 H4 2.0L AWD Automatic CVT
Premium Sedan 2017 H4 2.0L AWD Manual
Sport Hatchback 2017 - 2023 H4 2.0L AWD Automatic CVT & Manual
Sport Sedan 2017 - 2023 H4 2.0L AWD Automatic CVT & Manual
Sport-tech Hatchback 2019 - 2021 H4 2.0L AWD Manual
Sport-tech Hatchback 2018 - 2023 H4 2.0L AWD Automatic CVT
Sport-tech Sedan 2019 - 2021 H4 2.0L AWD Manual
Sport-tech Sedan 2018 - 2022 H4 2.0L AWD Automatic CVT
Touring Hatchback 2017 - 2023 H4 2.0L AWD Automatic CVT & Manual
Touring Sedan 2017 - 2022 H4 2.0L AWD Automatic CVT & Manual
Legacy 2017-2023 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL
Body Style Years Engine Attributes
2.5i Sedan 2017 - 2019 H4 2.5L AWD Automatic CVT
2.5i Limited Sedan 2017 - 2019 H4 2.5L AWD Automatic CVT
2.5i Premium Sedan 2017 - 2019 H4 2.5L AWD Automatic CVT
2.5i Sport Sedan 2017 - 2019 H4 2.5L AWD Automatic CVT
2.5i Touring Sedan 2018 - 2019 H4 2.5L AWD Automatic CVT
3.6R Limited Sedan 2017 - 2019 H6 3.6L AWD Automatic CVT
3.6R Touring Sedan 2018 H6 3.6L AWD Automatic CVT
Base Sedan 2020 - 2023 H4 2.5L AWD Automatic CVT
Convenience Sedan 2020 - 2022 H4 2.5L AWD Automatic CVT
GT Sedan 2023 H4 2.4L Turbo AWD Automatic CVT
Limited Sedan 2020 - 2023 H4 2.5L AWD Automatic CVT
Limited GT Sedan 2020 - 2022 H4 2.4L Turbo AWD Automatic CVT
Limited XT Sedan 2020 - 2022 H4 2.4L Turbo AWD Automatic CVT
Premier Sedan 2020 - 2021 H4 2.5L AWD Automatic CVT
Premier GT Sedan 2020 - 2022 H4 2.4L Turbo AWD Automatic CVT
Premium Sedan 2020 - 2023 H4 2.5L AWD Automatic CVT
Sport Sedan 2023 H4 2.4L Turbo AWD Automatic CVT
Sport Sedan 2020 - 2022 H4 2.5L AWD Automatic CVT
Touring Sedan 2020 - 2023 H4 2.5L AWD Automatic CVT
Touring XT Sedan 2020 - 2023 H4 2.4L Turbo AWD Automatic CVT
Outback 2017-2023 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL
Body Style Years Engine Attributes
2.5i Wagon 2017 - 2019 H4 2.5L AWD Automatic CVT
2.5i Limited Wagon 2017 - 2019 H4 2.5L AWD Automatic CVT
2.5i Premier Wagon 2018 - 2019 H4 2.5L AWD Automatic CVT
2.5i Premium Wagon 2017 - 2019 H4 2.5L AWD Automatic CVT
2.5i Touring Wagon 2017 - 2019 H4 2.5L AWD Automatic CVT
3.6R Limited Wagon 2017 - 2019 H6 3.6L AWD Automatic CVT
3.6R Premier Wagon 2018 - 2019 H6 3.6L AWD Automatic CVT
3.6R Premium Wagon 2017 H6 3.6L AWD Automatic CVT
3.6R Touring Wagon 2017 - 2019 H6 3.6L AWD Automatic CVT
Base Wagon 2020 - 2023 H4 2.5L AWD Automatic CVT
Convenience Wagon 2020 - 2023 H4 2.5L AWD Automatic CVT
Field Wagon 2023 H4 2.4L Turbo AWD Automatic CVT
Limited Wagon 2020 - 2023 H4 2.5L AWD Automatic CVT
Limited XT Wagon 2020 - 2023 H4 2.4L Turbo AWD Automatic CVT
Onyx Edition Wagon 2023 H4 2.5L AWD Automatic CVT
Onyx Edition XT Wagon 2020 - 2023 H4 2.4L Turbo AWD Automatic CVT
Outdoor XT Wagon 2020 - 2021 H4 2.4L Turbo AWD Automatic CVT
Premier Wagon 2020 - 2022 H4 2.5L AWD Automatic CVT
Premier XT Wagon 2020 - 2023 H4 2.4L Turbo AWD Automatic CVT
Premium Wagon 2020 - 2023 H4 2.5L AWD Automatic CVT
Touring Wagon 2023 H4 2.4L Turbo AWD Automatic CVT
Touring Wagon 2020 - 2023 H4 2.5L AWD Automatic CVT
Touring XT Wagon 2020 - 2023 H4 2.4L Turbo AWD Automatic CVT
Wilderness Wagon 2022 - 2023 H4 2.4L Turbo AWD Automatic CVT
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.

Fits Years: 2017 2018 2019 2020 2021 2022 2023

Fits Models: Ascent, Impreza, Legacy, Outback

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120
Day Return Window

4× the Industry Standard

Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

NEW
Direct-Fit Replacement

Engineered To OEM Specs

Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.

What buyers are saying.

★★★★★ 4.9 1,451 verified reviews

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