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Walker Products

Walker 242-1043 Ignition Knock (Detonation) Sensor - Left

Brand Walker 242-1043
Position Left
Connector Gender Female
Connector Quantity 1
Connector Shape Round
Length 49.6500
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 Acura and Honda · 18 vehicles

OEM-standard quality. Built to meet or exceed original equipment specifications.

Engine sensor. Detects knock signals for precise engine management.

Blade terminal. Uses a round female connector with a single male terminal.

Cross-references Beck/Arnley 158-0821, Standard Ignition KS49 and Standard Ignition KS65 for the same application. See all 14.

$88.08Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $88.08
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker 242-1043 Ignition Knock Sensor

Walker Products 242-1043 is an ignition knock sensor for select Acura RL and Honda Civic applications. It is built to meet or exceed OEM standards and specifications, with application data supported by Walker’s engineering and product management resources.

Key Features

  • Ignition knock (detonation) sensor for engine management systems
  • Round connector with 1 female connector and 1 male terminal
  • Blade terminal type
  • Threaded end diameter: 12.0000
  • Length: 49.6500
  • No wiring harness included
  • No mounting hardware included

Product Details

Walker Products 242-1043 is part of Walker Products’ engine sensor lineup, a product line supported by the company’s long history in fuel system and engine management components. Walker has supplied automotive aftermarket parts since 1946 and manufactures to OEM-level standards under ISO 9001/IATF16949 quality systems. This knock sensor is used in engine control strategies that monitor detonation and help the ECU respond to abnormal combustion events. It is a direct-fit style replacement for select 1996-2004 Acura RL, 1996-2000 Honda Civic, and 1996-1997 Honda Civic del Sol applications. This part cross-references Standard Ignition KS49 and KS65 for the same application.

What It Helps Address

  • Knock sensor fault codes
  • Engine pinging or detonation-related drivability concerns
  • Check engine light conditions tied to knock sensor circuit issues
  • Rough engine operation caused by inaccurate detonation feedback
  • Failed sensor signal to the engine control module

Installation Notes

Verify connector style, threaded end diameter, and sensor length before installation. Confirm the vehicle application by year, make, model, and position: Fits 1996-2004 Acura RL, Left; Fits 1996-2000 Honda Civic, N/A; Fits 1996-1997 Honda Civic del Sol, N/A. Inspect the mounting surface and related wiring before replacing the sensor. For Honda Civic and Acura RL service work, match the original connector and terminal configuration to ensure proper fitment.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company backs its parts with in-house manufacturing, engineering, product management, and technical support resources, and operates under ISO 9001/IATF16949 certification.

This part fits 18 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2004AcuraRL—3.5LV6LeftWalker Products
2003AcuraRL—3.5LV6LeftWalker Products
2002AcuraRL—3.5LV6LeftWalker Products
2001AcuraRL—3.5LV6LeftWalker Products
2000AcuraRL—3.5LV6LeftWalker Products
2000HondaCivicEX1.6LL4N/AWalker Products
2000HondaCivic—1.6LL4N/AWalker Products
1999AcuraRL—3.5LV6LeftWalker Products
1999HondaCivicEX1.6LL4N/AWalker Products
1999HondaCivic—1.6LL4N/AWalker Products
1998AcuraRL—3.5LV6LeftWalker Products
1998HondaCivic—1.6LL4N/AWalker Products
1997AcuraRL—3.5LV6LeftWalker Products
1997HondaCivic—1.6LL4N/AWalker Products
1997HondaCivic del Sol—1.6LL4N/AWalker Products
1996AcuraRL—3.5LV6LeftWalker Products
1996HondaCivic—1.6LL4N/AWalker Products
1996HondaCivic del Sol—1.6LL4N/AWalker Products
Directly replaces or cross-references 14 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Beck/Arnley — 158-0821Standard Ignition — KS49Standard Ignition — KS655S2140104-014-F8144-714213-2308290122906830530-P2M-A01AS10073ID0089S8609SU4778