HomeEmission Control > SensorsWalker 242-1037 Ignition Knock (Detonation) Sensor
Part #: 242-1037

Walker 242-1037 Ignition Knock (Detonation) Sensor

Walker Products
10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products
Fitment: Subaru, Legacy, Forester, and Impreza
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker Ignition Knock Sensor 242-1037

The Walker Products Ignition Knock (Detonation) Sensor 242-1037 is designed for precise detection of engine knock in Subaru vehicles. Compatible with Subaru Forester, Impreza, and Legacy models, this sensor helps maintain optimal engine performance by monitoring detonation events.

  • Wiring harness length: 108 inches for flexible installation
  • Single oblong female connector with one male blade terminal
  • Includes wiring harness for direct connection
  • Mounting hardware not included
  • Designed specifically for Subaru Forester, Impreza, and Legacy

Detailed Product Description

This ignition knock sensor from Walker Products features a 108-inch wiring harness, providing ample length for installation in various engine compartments. The sensor uses a single oblong-shaped female connector with one male blade terminal, ensuring a secure and reliable electrical connection. While mounting hardware is not included, the sensor is engineered to integrate seamlessly with the existing mounting points on compatible Subaru models. The included wiring harness simplifies the replacement process by eliminating the need for additional wiring modifications.

Walker Products Brand Line Information

Walker Products specializes in emission control components, including sensors designed to meet OEM specifications. The 242-1037 ignition knock sensor is part of their sensor lineup, focusing on accurate engine knock detection to support emission control and engine management systems. This product line emphasizes compatibility and durability for emission-related sensor applications.

Common Applications and Issues Addressed

  • Detects engine knock or detonation to prevent engine damage
  • Helps maintain proper ignition timing and fuel efficiency
  • Prevents check engine light triggers related to knock sensor faults
  • Supports emission control compliance in Subaru Forester, Impreza, and Legacy
  • Reduces engine noise caused by detonation

Installation Notes and Tips

  • Verify compatibility with Subaru Forester, Impreza, or Legacy before installation
  • Use the included wiring harness for a direct plug-and-play connection
  • Ensure the sensor is mounted securely using existing hardware or appropriate fasteners
  • Check connector terminals for corrosion or damage prior to installation
  • Follow vehicle manufacturer torque specifications when securing the sensor

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for their emission control sensors, including the 242-1037 ignition knock sensor. While specific warranty details are not provided here, Walker Products typically offers coverage consistent with OEM replacement parts. This sensor is manufactured to meet or exceed industry standards for durability and performance in Subaru Forester, Impreza, and Legacy vehicles.

BrandWalker
Part Number242-1037
PositionWalker Products
Connector GenderFemale
Connector Quantity1
Connector ShapeOblong
Mounting Hardware IncludedNo
Terminal GenderMale
Terminal Quantity1
Terminal TypeBlade
Wiring Harness IncludedYes
Wiring Harness Length108.0000

This part fits 10 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999SubaruLegacy2.5LH4N/AWalker Products
1998SubaruForester2.5LH4N/AWalker Products
1998SubaruImpreza2.5LH4N/AWalker Products
1998SubaruImpreza2.2LH4N/AWalker Products
1998SubaruLegacy2.5LH4N/AWalker Products
1998SubaruLegacy2.2LH4N/AWalker Products
1997SubaruImpreza2.2LH4N/AWalker Products
1997SubaruImpreza1.8LH4N/AWalker Products
1997SubaruLegacy2.5LH4N/AWalker Products
1997SubaruLegacy2.2LH4N/AWalker Products

* 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:

0907099144-744149KNS00117158-0919213-18262KNC00145506215S2295602466501770040751761483.51787614ID0199J5677002KNS0005KS39KS96KS96TS8684SU4989

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