Skip to product information
1 of 9

Intermotor Ignition Knock (Detonation) Sensor KS303

Intermotor Ignition Knock (Detonation) Sensor KS303

Regular price $77.66
Regular price Sale price $77.66
Sale Sold out

Out of stock

Quantity

Need this part?

This item is currently unavailable. Ask us about availability or help finding a suitable replacement.

Ask about availability or fitment

Year, make, model and engine help us check fitment.

We'll reply to your inquiry by email. This is not an automatic restock alert.

Shipping & returns

This selection is unavailable. Ask us to confirm availability and timing.

Shipping details

In-stock orders are processed within 48 hours; transit time is additional.

International orders include export processing and customs clearance. Duties, taxes and brokerage are extra; final freight charges may change after remeasurement.

Read the shipping policy

Returns

Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.

Read the full return policy
Return details & how to start

Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.

Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.

Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.

Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.

After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.

Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.

For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.

Specifications

Product details shared across all variants.

Product type
Ignition Knock (Detonation) Sensor
Category
Knock Sensors
Item condition
New
Shipping weight
0.4 lb
Barcode
00707390717319

Billable shipping weight; may include dimensional weight.

Ignition Knock (Detonation) Sensor. (KS303) by Intermotor

Our knock sensors are designed to respond to knock frequencies up to 1000 Hz accommodating shifts in engine knock frequency making it a more flexible sensor responding to correct engine knock over a broad range of vehicle conditions. Manufacturing processes include an automated data acquisition system to continuously monitor the sensor output to ensure that it responds with appropriate voltage output at the specified frequency range. All units are 100% tested using an accelerometer vibration test to ensure trouble-free operation. Featuring the broadest sensor coverage in the market, we meet the service professionals needs with the highest quality product every time he opens the box.



Vehicle Fitments:

Year Make Model Submodel
2006 Saab 9-2X 2.5i, Aero
2008 Subaru Forester 2.5 X, Sports 2.5 X, Sports 2.5 XT, 2.5 XT, 2.5 XS, 2.5 XS Premium, Anniversary Edition
2013 Subaru Forester X Convenience
2006 - 2008 Subaru Forester X L.L. Bean Edition
2009 - 2013 Subaru Forester X Premium, X Touring, X Limited
2006 - 2013 Subaru Forester X, XT Limited
2007 - 2012 Subaru Forester XS, XSL
2008 - 2009 Subaru Forester XT
2010 - 2013 Subaru Forester XT Premium
2010 - 2012 Subaru Forester XT Sports
2011 - 2013 Subaru Forester XT Touring
2008 Subaru Impreza 2.0R
2009 - 2010 Subaru Impreza 2.5 GT
2010 - 2011 Subaru Impreza 2.5i Premium
2006 - 2011 Subaru Impreza 2.5i, Outback Sport
2014 Subaru Impreza I Limited
2013 - 2014 Subaru Impreza I Sport, i
2009 - 2012 Subaru Impreza R
2008 - 2014 Subaru Impreza Sport
2012 - 2014 Subaru Impreza Sport Limited, Premium, Limited, Touring, Base, Sport Premium
2010 Subaru Impreza WRX GT, 2.5i Limited, WRX STI Special Edition, WRX SE
2009 - 2014 Subaru Impreza WRX Premium
2007 - 2014 Subaru Impreza WRX STI Limited
2006 - 2007 Subaru Impreza WRX TR
2006 - 2014 Subaru Impreza WRX, WRX STI, WRX Limited
2011 Subaru Impreza XV
2007 - 2009 Subaru Legacy 2.5i Special Edition, GT Limited
2009 Subaru Legacy 2.5i Touring, 2.0R, Base, 3.0 R, 3.0 R Premier
2008 - 2009 Subaru Legacy 3.0 R Limited
2008 Subaru Legacy 3.0, Limited, 2.0, Touring
2006 - 2008 Subaru Legacy GT
2006 - 2009 Subaru Legacy GT spec.B, 2.5i Limited, 2.5i
2007 Subaru Outback 2.5i Basic
2007 - 2009 Subaru Outback 2.5i, 2.5i Limited, XT Limited
2009 Subaru Outback 3.0 R Limited, 2.5i Special Edition, 3.0 R Premier
2008 Subaru Outback Base, 2.5 XT, Touring, 2.5i L.L. Bean Edition, 3.0 R, 2.5i Limited L.L. Bean Edition, Limited, Premier
2007 - 2008 Subaru Outback R L.L. Bean Edition, XT
2013 - 2014 Subaru WRX Limited
2014 Subaru WRX SE
2012 - 2014 Subaru WRX STI, Base
2015 Subaru WRX STI Launch Edition
2015 - 2020 Subaru WRX STI Limited, Base
2019 Subaru WRX STI S209
2016 Subaru WRX STI Series.HyperBlue
2017 - 2020 Subaru WRX STI Sport-tech, Sport
2018 - 2020 Subaru WRX STI STI
2018 Subaru WRX STI Type RA
View full details

Vehicle fitment