Walker 242-91055 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Chrysler, Dodge, Jeep, and Ram Vehicles

The Walker 242-91055 Ignition Knock (Detonation) Sensor is designed to detect engine knocking and ensure optimal engine performance. Compatible with a wide range of Chrysler, Dodge, Fiat, Jeep, and Ram models, this sensor helps maintain engine efficiency and prevent damage caused by detonation.

• Compatible with Chrysler, Dodge, Fiat, Jeep, and Ram vehicles including 300, 500X, Grand Cherokee, Ram 1500, and Wrangler
• Part number 242-91055 ensures precise fit and function
• Part of the Walker Products FSK line, known for emission control sensor reliability
• Detects engine knock to optimize ignition timing and protect engine components
• Direct replacement sensor designed for easy installation and accurate performance

About the Walker Products FSK Line

The Walker Products FSK line focuses on emission control sensors that meet or exceed OEM specifications. This product line emphasizes durability and precise sensor performance to support engine management systems. The 242-91055 Ignition Knock Sensor is engineered to provide consistent knock detection, helping maintain proper combustion and reduce harmful emissions in compatible vehicles.

Product Details and Compatibility

The Walker 242-91055 Ignition Knock Sensor is engineered for use in a variety of Chrysler, Dodge, Fiat, Jeep, and Ram models. It is compatible with vehicles such as the Chrysler 300, Dodge Charger, Jeep Grand Cherokee, Ram 1500, and Fiat 500X, among others. This sensor detects engine detonation by monitoring vibrations and sending signals to the engine control unit (ECU), which adjusts ignition timing accordingly to prevent engine damage.

Common Applications and Issues Addressed

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

Installation Notes and Tips

Installation of the Walker 242-91055 sensor requires locating the factory knock sensor mounting point on the engine block. Ensure the engine is cool before removal and installation. Use proper torque specifications to avoid sensor damage. It is recommended to inspect wiring and connectors for corrosion or damage during replacement to ensure reliable sensor operation.

Quality Assurance and Warranty

Walker Products FSK sensors are manufactured to meet strict quality standards and OEM specifications. The 242-91055 Ignition Knock Sensor undergoes rigorous testing to ensure durability and accurate performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to provide confidence in product reliability.