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Walker 242-91047 Ignition Knock (Detonation) Sensor
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:
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2013 | Ram | 1500 | 4.7L | V8 | N/A | Walker Products FSK | ||
| 2012 | Jeep | Liberty | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2012 | Ram | 1500 | 4.7L | V8 | N/A | Walker Products FSK | ||
| 2012 | Ram | 1500 | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2011 | Dodge | Nitro | 4.0L | V6 | N/A | Walker Products FSK | ||
| 2011 | Dodge | Nitro | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2011 | Jeep | Liberty | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2011 | Ram | 1500 | 4.7L | V8 | N/A | Walker Products FSK | ||
| 2011 | Ram | 1500 | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2011 | Ram | Dakota | 4.7L | V8 | N/A | Walker Products FSK | ||
| 2011 | Ram | Dakota | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2010 | Chrysler | Town & Country | 4.0L | V6 | N/A | Walker Products FSK | ||
| 2010 | Dodge | Dakota | 4.7L | V8 | N/A | Walker Products FSK | ||
| 2010 | Dodge | Dakota | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2010 | Dodge | Grand Caravan | 4.0L | V6 | N/A | Walker Products FSK | ||
| 2010 | Dodge | Nitro | 4.0L | V6 | N/A | Walker Products FSK | ||
| 2010 | Dodge | Nitro | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2010 | Dodge | Ram 1500 | TRX4 | 4.7L | V8 | N/A | Walker Products FSK | |
| 2010 | Dodge | Ram 1500 | ST | 4WD | 4.7L | V8 | N/A | Walker Products FSK |
| 2010 | Dodge | Ram 1500 | SLT | 4WD | 4.7L | V8 | N/A | Walker Products FSK |
| 2010 | Dodge | Ram 1500 | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2010 | Jeep | Commander | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2010 | Jeep | Grand Cherokee | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2010 | Jeep | Liberty | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2009 | Chrysler | Aspen | 4.7L | V8 | N/A | Walker Products FSK | ||
| 2009 | Chrysler | Town & Country | 4.0L | V6 | N/A | Walker Products FSK | ||
| 2009 | Dodge | Dakota | 4.7L | V8 | N/A | Walker Products FSK | ||
| 2009 | Dodge | Dakota | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2009 | Dodge | Durango | 4.7L | V8 | N/A | Walker Products FSK | ||
| 2009 | Dodge | Durango | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2009 | Dodge | Grand Caravan | 4.0L | V6 | N/A | Walker Products FSK | ||
| 2009 | Dodge | Nitro | 4.0L | V6 | N/A | Walker Products FSK | ||
| 2009 | Dodge | Nitro | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2009 | Dodge | Ram 1500 | 4.7L | V8 | N/A | Walker Products FSK | ||
| 2009 | Dodge | Ram 1500 | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2009 | Jeep | Commander | 4.7L | V8 | N/A | Walker Products FSK | ||
| 2009 | Jeep | Commander | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2009 | Jeep | Grand Cherokee | 4.7L | V8 | N/A | Walker Products FSK | ||
| 2009 | Jeep | Grand Cherokee | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2009 | Jeep | Liberty | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2009 | Mitsubishi | Raider | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2008 | Chrysler | Aspen | 4.7L | V8 | N/A | Walker Products FSK | ||
| 2008 | Chrysler | Pacifica | 4.0L | V6 | N/A | Walker Products FSK | ||
| 2008 | Chrysler | Town & Country | 4.0L | V6 | N/A | Walker Products FSK | ||
| 2008 | Dodge | Dakota | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2008 | Dodge | Durango | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2008 | Dodge | Grand Caravan | 4.0L | V6 | N/A | Walker Products FSK | ||
| 2008 | Dodge | Nitro | 4.0L | V6 | N/A | Walker Products FSK | ||
| 2008 | Dodge | Nitro | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2008 | Dodge | Ram 1500 | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2008 | Jeep | Commander | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2008 | Jeep | Grand Cherokee | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2008 | Jeep | Liberty | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2008 | Mitsubishi | Raider | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2007 | Chrysler | Pacifica | 4.0L | V6 | N/A | Walker Products FSK | ||
| 2007 | Dodge | Dakota | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2007 | Dodge | Durango | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2007 | Dodge | Nitro | 4.0L | V6 | N/A | Walker Products FSK | ||
| 2007 | Dodge | Nitro | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2007 | Dodge | Ram 1500 | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2007 | Jeep | Commander | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2007 | Jeep | Grand Cherokee | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2007 | Jeep | Liberty | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2007 | Mitsubishi | Raider | 3.7L | V6 | N/A | Walker Products FSK | ||
| 2005 | Chrysler | Pacifica | 3.5L | V6 | N/A | Fits vehicles manufactured from June 20th, 2005; Walker Products FSK | ||
| 2004 | Chrysler | Concorde | 2.7L | V6 | N/A | Walker Products FSK | ||
| 2004 | Chrysler | Pacifica | 3.5L | V6 | N/A | Walker Products FSK | ||
| 2004 | Dodge | Intrepid | 2.7L | V6 | N/A | Walker Products FSK | ||
| 2003 | Chrysler | Concorde | 2.7L | V6 | N/A | Walker Products FSK | ||
| 2003 | Dodge | Intrepid | 2.7L | V6 | N/A | Walker Products FSK | ||
| 2002 | Chrysler | 300M | 3.5L | V6 | N/A | Walker Products FSK | ||
| 2002 | Chrysler | Concorde | 3.5L | V6 | N/A | Walker Products FSK | ||
| 2002 | Chrysler | Concorde | 2.7L | V6 | N/A | Walker Products FSK | ||
| 2002 | Dodge | Intrepid | 3.5L | V6 | N/A | Walker Products FSK | ||
| 2002 | Dodge | Intrepid | 2.7L | V6 | N/A | Walker 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.