HomeEmission Control > SensorsStandard KS98T Ignition Knock (Detonation) Sensor
Part #: KS98T

Standard KS98T Ignition Knock (Detonation) Sensor

13 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$32.87Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Subaru, Forester, Impreza, Legacy, and Outback
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard KS98T Ignition Knock Sensor

The Standard KS98T Ignition Knock (Detonation) Sensor is designed for precise detection of engine knock in select Subaru models. This sensor features a female plug-in connector and a bolt mount design, ensuring secure and reliable installation in your Subaru Forester, Impreza, Legacy, or Outback.

  • Connector Gender: Female for secure electrical connection
  • Connector Type: Plug in for easy integration
  • Mounting Type: Bolt mount for stable attachment
  • Terminal Gender: Male
  • Terminal Quantity: 1 terminal for signal transmission

Detailed Product Description

The KS98T ignition knock sensor from Standard is engineered to detect engine detonation by monitoring vibrations caused by knocking. Its female plug-in connector allows for a straightforward electrical connection, while the bolt mount ensures the sensor remains firmly attached to the engine block. The single male terminal provides a direct and reliable signal path to the engine control unit (ECU). This sensor is compatible with Subaru Forester, Impreza, Legacy, and Outback models, making it a suitable replacement part for maintaining engine performance and efficiency.

Common Applications and Issues Addressed

  • Detects engine knock to prevent potential damage
  • Helps maintain optimal ignition timing
  • Reduces engine noise caused by detonation
  • Improves fuel efficiency by enabling proper ECU adjustments
  • Prevents check engine light triggers related to knock sensor faults

Installation Notes and Tips

When installing the Standard KS98T sensor, ensure the bolt mount is securely fastened to the engine block to maintain accurate vibration detection. The female plug-in connector should be connected firmly to avoid intermittent electrical issues. It is recommended to inspect the wiring harness for any damage before installation. Proper torque specifications should be followed to avoid sensor damage.

Quality Assurance and Warranty

Standard provides reliable automotive components designed to meet OEM specifications. The KS98T ignition knock sensor undergoes quality control testing to ensure durability and performance. Please refer to Standard's warranty policy for specific coverage details.

BrandStandard
Part NumberKS98T
Connector GenderFemale
Connector TypePlug in
Mounting TypeBolt mount
Terminal GenderMale
Terminal Quantity1

This part fits 13 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002SubaruForester2.5LH4N/A
2002SubaruImpreza2.5LH4N/A
2001SubaruForester2.5LH4N/A
2001SubaruImprezaN/A
2001SubaruLegacy2.5LH4N/A
2001SubaruOutback2.5LH4N/A
2000SubaruForester2.5LH4N/A
2000SubaruImprezaN/A
2000SubaruLegacy2.5LH4N/A
2000SubaruOutback2.5LH4N/A
1999SubaruForester2.5LH4N/A
1999SubaruImprezaN/A
1999SubaruLegacy2.5LH4N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

144-745158-097417-07672-KS40213-182822060AA070242-10382KNC00055S229460000076501871-6668729257D480249010081917031AS10092DKS503DKS503SBKDSA32KNS0006KS40KS98S8683SBA3677

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.