HomeEmission Control > SensorsWalker 242-91047 Ignition Knock (Detonation) Sensor
Part #: 242-91047

Walker 242-91047 Ignition Knock (Detonation) Sensor

Walker Products FSK
⚙️ 75 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products FSK
🚗Fitment: Ram, Jeep, Dodge, Chrysler, and Mitsubishi, 1500, Liberty, Nitro, Dakota, Town & Country, Grand Caravan, Ram 1500, Commander, Grand Cherokee, Aspen, Durango, Raider, Pacifica, Concorde, Intrepid, and 300M
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Overview of Walker Ignition Knock Sensor 242-91047

The Walker Ignition Knock (Detonation) Sensor 242-91047 is designed for precise detection of engine knock in various Chrysler, Dodge, Jeep, Mitsubishi, and Ram vehicles. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.

  • Compatible with Chrysler 300M, Concorde, Intrepid, and Pacifica models
  • Fits Dodge Dakota, Durango, Grand Caravan, and Ram 1500 vehicles
  • Suitable for Jeep Commander, Grand Cherokee, Liberty, and Nitro
  • Also compatible with Mitsubishi Raider and Ram 1500 trucks
  • Walker Products FSK brand line ensures reliable emission control sensor quality

Walker Products FSK Brand Line Details

The Walker Products FSK line specializes in emission control sensors designed to meet or exceed OEM specifications. This product line focuses on delivering accurate sensor performance to support engine management systems, helping reduce emissions and improve fuel efficiency. The 242-91047 ignition knock sensor is part of this line, providing dependable operation for a range of domestic and import vehicles.

Product Description and Function

The Walker 242-91047 ignition knock sensor detects engine detonation by sensing vibrations caused by knocking. It transmits this data to the vehicle’s engine control module, which adjusts ignition timing to prevent engine damage and maintain smooth operation. This sensor is engineered to fit specific Chrysler, Dodge, Jeep, Mitsubishi, and Ram models, ensuring proper fit and function.

Common Applications and Issues Addressed

  • Prevents engine knocking and pinging that can cause damage
  • Helps maintain optimal ignition timing for fuel efficiency
  • Reduces risk of engine misfire related to detonation
  • Supports emission control by ensuring proper combustion
  • Eliminates check engine light triggers related to knock sensor faults

Installation Notes and Tips

Installation of the Walker 242-91047 sensor requires locating the factory knock sensor mounting point on compatible vehicles such as the Jeep Grand Cherokee or Dodge Ram 1500. Ensure the sensor connector is securely attached and wiring is intact. Torque specifications should follow manufacturer guidelines to avoid sensor damage. It is recommended to clear any diagnostic trouble codes after installation.

Quality Assurance and Warranty

Walker Products FSK ignition knock sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain the integrity of your vehicle’s emission control and engine management systems.

This part fits 75 vehicles. Search below:

YearMakeModelSubmodelDrive TypeLitersCylindersPositionNotes
2013Ram15004.7LV8N/AWalker Products FSK
2012JeepLiberty3.7LV6N/AWalker Products FSK
2012Ram15004.7LV8N/AWalker Products FSK
2012Ram15003.7LV6N/AWalker Products FSK
2011DodgeNitro4.0LV6N/AWalker Products FSK
2011DodgeNitro3.7LV6N/AWalker Products FSK
2011JeepLiberty3.7LV6N/AWalker Products FSK
2011Ram15004.7LV8N/AWalker Products FSK
2011Ram15003.7LV6N/AWalker Products FSK
2011RamDakota4.7LV8N/AWalker Products FSK
2011RamDakota3.7LV6N/AWalker Products FSK
2010ChryslerTown & Country4.0LV6N/AWalker Products FSK
2010DodgeDakota4.7LV8N/AWalker Products FSK
2010DodgeDakota3.7LV6N/AWalker Products FSK
2010DodgeGrand Caravan4.0LV6N/AWalker Products FSK
2010DodgeNitro4.0LV6N/AWalker Products FSK
2010DodgeNitro3.7LV6N/AWalker Products FSK
2010DodgeRam 1500TRX44.7LV8N/AWalker Products FSK
2010DodgeRam 1500ST4WD4.7LV8N/AWalker Products FSK
2010DodgeRam 1500SLT4WD4.7LV8N/AWalker Products FSK
2010DodgeRam 15003.7LV6N/AWalker Products FSK
2010JeepCommander3.7LV6N/AWalker Products FSK
2010JeepGrand Cherokee3.7LV6N/AWalker Products FSK
2010JeepLiberty3.7LV6N/AWalker Products FSK
2009ChryslerAspen4.7LV8N/AWalker Products FSK
2009ChryslerTown & Country4.0LV6N/AWalker Products FSK
2009DodgeDakota4.7LV8N/AWalker Products FSK
2009DodgeDakota3.7LV6N/AWalker Products FSK
2009DodgeDurango4.7LV8N/AWalker Products FSK
2009DodgeDurango3.7LV6N/AWalker Products FSK
2009DodgeGrand Caravan4.0LV6N/AWalker Products FSK
2009DodgeNitro4.0LV6N/AWalker Products FSK
2009DodgeNitro3.7LV6N/AWalker Products FSK
2009DodgeRam 15004.7LV8N/AWalker Products FSK
2009DodgeRam 15003.7LV6N/AWalker Products FSK
2009JeepCommander4.7LV8N/AWalker Products FSK
2009JeepCommander3.7LV6N/AWalker Products FSK
2009JeepGrand Cherokee4.7LV8N/AWalker Products FSK
2009JeepGrand Cherokee3.7LV6N/AWalker Products FSK
2009JeepLiberty3.7LV6N/AWalker Products FSK
2009MitsubishiRaider3.7LV6N/AWalker Products FSK
2008ChryslerAspen4.7LV8N/AWalker Products FSK
2008ChryslerPacifica4.0LV6N/AWalker Products FSK
2008ChryslerTown & Country4.0LV6N/AWalker Products FSK
2008DodgeDakota3.7LV6N/AWalker Products FSK
2008DodgeDurango3.7LV6N/AWalker Products FSK
2008DodgeGrand Caravan4.0LV6N/AWalker Products FSK
2008DodgeNitro4.0LV6N/AWalker Products FSK
2008DodgeNitro3.7LV6N/AWalker Products FSK
2008DodgeRam 15003.7LV6N/AWalker Products FSK
2008JeepCommander3.7LV6N/AWalker Products FSK
2008JeepGrand Cherokee3.7LV6N/AWalker Products FSK
2008JeepLiberty3.7LV6N/AWalker Products FSK
2008MitsubishiRaider3.7LV6N/AWalker Products FSK
2007ChryslerPacifica4.0LV6N/AWalker Products FSK
2007DodgeDakota3.7LV6N/AWalker Products FSK
2007DodgeDurango3.7LV6N/AWalker Products FSK
2007DodgeNitro4.0LV6N/AWalker Products FSK
2007DodgeNitro3.7LV6N/AWalker Products FSK
2007DodgeRam 15003.7LV6N/AWalker Products FSK
2007JeepCommander3.7LV6N/AWalker Products FSK
2007JeepGrand Cherokee3.7LV6N/AWalker Products FSK
2007JeepLiberty3.7LV6N/AWalker Products FSK
2007MitsubishiRaider3.7LV6N/AWalker Products FSK
2005ChryslerPacifica3.5LV6N/AFits vehicles manufactured from June 20th, 2005; Walker Products FSK
2004ChryslerConcorde2.7LV6N/AWalker Products FSK
2004ChryslerPacifica3.5LV6N/AWalker Products FSK
2004DodgeIntrepid2.7LV6N/AWalker Products FSK
2003ChryslerConcorde2.7LV6N/AWalker Products FSK
2003DodgeIntrepid2.7LV6N/AWalker Products FSK
2002Chrysler300M3.5LV6N/AWalker Products FSK
2002ChryslerConcorde3.5LV6N/AWalker Products FSK
2002ChryslerConcorde2.7LV6N/AWalker Products FSK
2002DodgeIntrepid3.5LV6N/AWalker Products FSK
2002DodgeIntrepid2.7LV6N/AWalker Products FSK

* 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:

292202KNC01295S6356ID0297KS191KS67S8791SU3217

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