HomeEmission Control > SensorsWalker 242-1041 Ignition Knock (Detonation) Sensor
Part #: 242-1041

Walker 242-1041 Ignition Knock (Detonation) Sensor

Walker Products
⚙️ 50 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products
🚗Fitment: Toyota and Lexus, Solara, Camry, Highlander, RAV4, Celica, MR2, ES300, Supra, and Cressida
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Overview of Walker Products Ignition Knock Sensor 242-1041

The Walker Products Ignition Knock (Detonation) Sensor 242-1041 is designed for precise detection of engine knock in select Lexus and Toyota vehicles. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.

  • Length: 43.85 mm for proper fitment
  • Blade terminal type with one male terminal
  • Single female square connector for secure connection
  • Threaded end diameter of 12 mm for mounting compatibility
  • Mounting hardware and wiring harness not included

Detailed Product Description

The Walker Products ignition knock sensor 242-1041 is engineered to detect engine detonation by sensing vibrations caused by knocking. It features a 43.85 mm length and a 12 mm threaded end diameter, ensuring compatibility with specific Lexus and Toyota models such as the Camry, Celica, Cressida, ES300, Highlander, MR2, RAV4, Solara, and Supra. The sensor includes a single blade terminal with a male gender and a single female square connector, designed for reliable electrical connection without additional wiring harnesses or mounting hardware.

Walker Products is a recognized brand line known for its focus on emission control components, providing sensors that meet OEM specifications for durability and performance. This ignition knock sensor is part of their emission control sensor lineup, emphasizing accurate engine monitoring to support emission compliance and engine efficiency.

Common Applications and Issues Addressed

  • Detects engine knock to prevent potential engine damage
  • Helps maintain proper ignition timing and fuel efficiency
  • Prevents rough idling and engine hesitation caused by detonation
  • Supports emission control systems by providing accurate knock data
  • Reduces risk of engine misfire related to knock sensor failure

Installation Notes and Tips

  • Ensure compatibility with Lexus and Toyota models listed before installation
  • Use appropriate tools for the 12 mm threaded end to secure sensor
  • Check connector orientation; the sensor uses a female square connector with one terminal
  • Mounting hardware is not included; reuse existing hardware or source separately
  • Verify sensor wiring and connections for proper electrical contact

Quality Assurance and Warranty

Walker Products ignition knock sensor 242-1041 is manufactured to meet industry standards for emission control sensors. While mounting hardware and wiring harness are not included, the sensor itself is built to provide reliable performance in compatible Lexus and Toyota vehicles. Warranty details should be confirmed with the parts provider or manufacturer documentation.

BrandWalker
Part Number242-1041
PositionWalker Products
Connector GenderFemale
Connector Quantity1
Connector ShapeSquare
Length43.8500
Mounting Hardware IncludedNo
Terminal GenderMale
Terminal Quantity1
Terminal TypeBlade
Threaded End Diameter12.0000
Wiring Harness IncludedNo

This part fits 50 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003ToyotaSolara2.4LL4N/AIgnition Knock (Detonation) Sensor by DENSO.; Walker Products
2002ToyotaSolara2.4LL4N/AIgnition Knock (Detonation) Sensor by DENSO.; Walker Products
2001ToyotaCamry2.2LL4N/AWalker Products
2001ToyotaHighlander2.4LL4N/A2001 and older models; Walker Products
2001ToyotaRAV42.0LL4N/ATo fit vehicles up to January 2004.; Walker Products
2001ToyotaSolara2.2LL4N/AWalker Products
2000ToyotaCamry2.2LL4N/AWalker Products
2000ToyotaRAV42.0LL4N/AWalker Products
2000ToyotaSolara2.2LL4N/AWalker Products
1999ToyotaCamry2.2LL4N/AWalker Products
1999ToyotaCelica2.2LL4N/AWalker Products
1999ToyotaRAV42.0LL4N/AWalker Products
1999ToyotaSolara2.2LL4N/AWalker Products
1998ToyotaCamry2.2LL4N/AWalker Products
1998ToyotaCelica2.2LL4N/AWalker Products
1998ToyotaRAV42.0LL4N/AWalker Products
1997ToyotaCamry2.2LL4N/AWalker Products
1997ToyotaCelica2.2LL4N/AWalker Products
1997ToyotaRAV42.0LL4N/AWalker Products
1996ToyotaCamry2.2LL4N/AWalker Products
1996ToyotaCelica2.2LL4N/AWalker Products
1996ToyotaRAV42.0LL4N/AWalker Products
1995ToyotaCamry2.2LL4N/AWalker Products
1995ToyotaCelica2.2LL4N/AWalker Products
1995ToyotaMR22.2LL4N/AWalker Products
1994ToyotaCamry2.2LL4N/AWalker Products
1994ToyotaCelica2.2LL4N/AWalker Products
1994ToyotaMR22.2LL4N/AWalker Products
1994ToyotaMR22.0LL4N/AWalker Products
1993LexusES3003.0LV6N/AWalker Products
1993ToyotaCamry3.0LV6N/AWalker Products
1993ToyotaCamry2.2LL4N/AWalker Products
1993ToyotaCelica2.2LL4N/AWalker Products
1993ToyotaMR22.2LL4N/AWalker Products
1993ToyotaMR22.0LL4N/AWalker Products
1993ToyotaSupra3.0LL6N/AWalker Products
1992LexusES3003.0LV6N/AWalker Products
1992ToyotaCamry3.0LV6N/AWalker Products
1992ToyotaCamry2.2LL4N/AWalker Products
1992ToyotaCelica2.2LL4N/AWalker Products
1992ToyotaCressida3.0LL6N/AWalker Products
1992ToyotaMR22.2LL4N/AWalker Products
1992ToyotaMR22.0LL4N/AWalker Products
1992ToyotaSupra3.0LL6N/AWalker Products
1991ToyotaCelica2.2LL4N/AWalker Products
1991ToyotaMR22.2LL4N/AWalker Products
1991ToyotaSupra3.0LL6N/AWalker Products
1990ToyotaCelica2.2LL4N/ASensor Only
1990ToyotaSupra3.0LL6N/AWalker Products
1989ToyotaSupra3.0LL6N/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:

144-716144-768158-1598213-1817213-2257290075S229889615-2003089615-3203089615-3204089615-33020AS10020AS10085AS10130ID0200KS22KS80S8647SU4039

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