Walker
Walker Products

Walker 242-1084 Ignition Knock (Detonation) Sensor

Brand Walker 242-1084
Connector Gender Female
Connector Quantity 1
Connector Shape Square
Length 43.0600
Mounting Hardware Included No
Terminal Gender Male
Terminal Quantity 1
Terminal Type Blade
Threaded End Diameter 12.0000
Wiring Harness Included No
Product line Walker Products
Fits Toyota, Geo, and Lexus · 39 vehicles

OE-standard quality. Built to meet or exceed OEM specifications.

Single-connector design. Square female connector with a male blade terminal.

Ignition knock sensor. Detects detonation for precise engine management.

Cross-references Beck/Arnley 158-0814, NTK ID0167 and Standard Ignition KS101 for the same application. See all 11.

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Walker 242-1084 Knock Sensor Overview

Walker Products 242-1084 is an ignition knock (detonation) sensor built for select Toyota, Lexus, and Geo applications. It is a direct-fit engine management component with a square female connector, male blade terminal, and a 12.0000 threaded end diameter for the listed vehicles.

Walker Products has supplied fuel system and engine sensor components since 1946, with manufacturing and engineering support focused on meeting OEM standards and specifications. The Walker Products line includes engine management parts such as cam and crankshaft sensors, throttle position sensors, oxygen sensors, and fuel injectors.

Key Features

  • Ignition knock (detonation) sensor for engine timing feedback
  • Part number 242-1084 for application lookup and service matching
  • Square connector shape with 1 female connector
  • 1 male blade terminal for the listed harness configuration
  • Threaded end diameter: 12.0000
  • Length: 43.0600
  • Wiring harness included: No
  • Mounting hardware included: No

Detailed Description

Walker 242-1084 is used in knock-sensing systems that monitor engine detonation and send a signal to the engine control system. On the listed Toyota Supra, Toyota Celica, Toyota Tercel, Toyota Paseo, Toyota Pickup, Lexus GS300, Lexus SC300, and Geo Prizm applications, the sensor supports accurate ignition control when the original sensor is worn or no longer responding correctly. This part cross-references Standard Ignition KS101 for the same application.

For buyers searching for a Toyota Supra knock sensor replacement, Lexus SC300 ignition knock sensor, or Toyota Tercel detonation sensor, this Walker Products 242-1084 listing provides the fitment details needed for application matching.

Vehicle Fitment

  • Fits 1995-1998 Toyota Paseo, N/A; Fits Nippondenso Ignition Knock (Detonation) Sensor.
  • Fits 1998 Toyota Supra, N/A; Ignition Knock (Detonation) Sensor by DENSO.
  • Fits 1995-1996 Toyota Supra, N/A; Ignition Knock (Detonation) Sensor by DENSO.
  • Fits 1995-1998 Toyota Tercel, N/A; Fits Nippondenso Ignition Knock (Detonation) Sensor.
  • Fits 1995-1997 Geo Prizm, N/A.
  • Fits 1995-1997 Lexus GS300, N/A; Ignition Knock (Detonation) Sensor by DENSO.
  • Fits 1995-1997 Lexus SC300, N/A.
  • Fits 1995-1997 Toyota Celica, N/A; Fits vehicles with Nippondenso distributor rotors.
  • Fits 1997 Toyota Supra, N/A.
  • Fits 1995 Toyota Pickup, N/A.
  • Fits 1993-1994 Geo Prizm, N/A; Sensor Only.
  • Fits 1992-1994 Lexus SC300, N/A; Sensor Only.
  • Fits 1992-1994 Toyota 4Runner, N/A; Sensor Only.
  • Fits 1992-1994 Toyota Paseo, N/A; Calif-ESV; Sensor Only.
  • Fits 1993-1994 Toyota Pickup, N/A; Sensor Only.
  • Fits 1992 Toyota Pickup, N/A; From 08/1991; Sensor Only.

Installation Notes

Verify connector shape, terminal style, and threaded end diameter before installation. Compare the original sensor and harness connection to the Walker 242-1084 unit, and follow the vehicle service manual for torque, routing, and diagnostic procedures. On Toyota and Lexus applications, confirm whether the vehicle uses the listed Nippondenso or DENSO-related configuration before ordering.

Quality Assurance

Walker Products is an ISO 9001/IATF16949 certified manufacturer with in-house engineering, product management, and manufacturing support. The company states that its engine sensors and related components are produced to meet or exceed OEM standards and specifications.

This part fits 39 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1998ToyotaPaseo1.5LL4N/AFits Nippondenso Ignition Knock (Detonation) Sensor.; Walker Products
1998ToyotaSupra3.0LL6N/AIgnition Knock (Detonation) Sensor by DENSO.; Walker Products
1998ToyotaTercel1.5LL4N/AFits Nippondenso Ignition Knock (Detonation) Sensor.; Walker Products
1997GeoPrizm1.8LL4N/AWalker Products
1997LexusGS3003.0LL6N/AIgnition Knock (Detonation) Sensor by DENSO.; Walker Products
1997LexusSC3003.0LL6N/AWalker Products
1997ToyotaCelica1.8LL4N/AFits vehicles with Nippondenso distributor rotors.; Walker Products
1997ToyotaPaseo1.5LL4N/AFits Nippondenso Ignition Knock (Detonation) Sensor.; Walker Products
1997ToyotaSupra3.0LL6N/AWalker Products
1997ToyotaTercel1.5LL4N/AFits Nippondenso Ignition Knock (Detonation) Sensor.; Walker Products
1996GeoPrizm1.8LL4N/AWalker Products
1996LexusGS3003.0LL6N/AIgnition Knock (Detonation) Sensor by DENSO.; Walker Products
1996LexusSC3003.0LL6N/AWalker Products
1996ToyotaCelica1.8LL4N/AFits vehicles with Nippondenso distributor rotors.; Walker Products
1996ToyotaPaseo1.5LL4N/AFits Nippondenso Ignition Knock (Detonation) Sensor.; Walker Products
1996ToyotaSupra3.0LL6N/AIgnition Knock (Detonation) Sensor by DENSO.; Walker Products
1996ToyotaTercel1.5LL4N/AFits Nippondenso Ignition Knock (Detonation) Sensor.; Walker Products
1995GeoPrizm1.8LL4N/AWalker Products
1995LexusGS3003.0LL6N/AIgnition Knock (Detonation) Sensor by DENSO.; Walker Products
1995LexusSC3003.0LL6N/AWalker Products
1995ToyotaCelica1.8LL4N/AFits vehicles with Nippondenso distributor rotors.; Walker Products
1995ToyotaPaseo1.5LL4N/AFits Nippondenso Ignition Knock (Detonation) Sensor.; Walker Products
1995ToyotaPickup2.4LL4N/AWalker Products
1995ToyotaSupra3.0LL6N/AIgnition Knock (Detonation) Sensor by DENSO.; Walker Products
1995ToyotaTercel1.5LL4N/AFits Nippondenso Ignition Knock (Detonation) Sensor.; Walker Products
1994GeoPrizm1.8LL4N/ASensor Only
1994LexusSC3003.0LL6N/ASensor Only
1994Toyota4Runner2.4LL4N/ASensor Only
1994ToyotaPaseo1.5LL4N/ACalif-ESV; Sensor Only
1994ToyotaPickup2.4LL4N/ASensor Only
1993GeoPrizm1.8LL4N/ASensor Only
1993LexusSC3003.0LL6N/ASensor Only
1993Toyota4Runner2.4LL4N/ASensor Only
1993ToyotaPaseo1.5LL4N/ACalif-ESV; Sensor Only
1993ToyotaPickup2.4LL4N/ASensor Only
1992LexusSC3003.0LL6N/ASensor Only
1992Toyota4Runner2.4LL4N/ASensor Only
1992ToyotaPaseo1.5LL4N/ACalif-ESV; Sensor Only
1992ToyotaPickup2.4LL4N/AFrom 08/1991; Sensor Only
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Beck/Arnley — 158-0814NTK — ID0167Standard Ignition — KS101VEMO — V70-72-00545S2250213-42189615-2204094854346AS10037S8644SU4759