Walker 242-1101 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Select GM and Saab Models

The Walker Products 242-1101 Ignition Knock (Detonation) Sensor is designed to accurately detect engine knock and help optimize ignition timing. Compatible with a range of Buick, Cadillac, Chevrolet, GMC, Pontiac, Saab, and Saturn vehicles, this sensor supports efficient engine performance and emission control.

• Length: 49.78 mm for precise fitment
• Blade terminal type with 2 male terminals
• Includes mounting hardware for straightforward installation
• Single female oblong connector for secure electrical connection
• Compatible with multiple GM and Saab models including Chevrolet Camaro, Buick LaCrosse, Cadillac CTS, and Saab 9-5

Walker Products Brand Line Overview

Walker Products specializes in emission control components, offering sensors and related parts engineered to meet OEM specifications. The 242-1101 ignition knock sensor is part of this product line, ensuring reliable detection of engine detonation to maintain optimal combustion and reduce harmful emissions in compatible vehicles.

Detailed Product Description

This ignition knock sensor measures 49.78 mm in length and features a blade terminal type with two male terminals, designed to interface with a single female oblong connector. The included mounting hardware simplifies installation, ensuring a secure and stable fit. While the wiring harness is not included, the sensor’s design supports direct replacement in vehicles such as the Chevrolet Equinox, Cadillac XT5, Buick Enclave, and Saturn Aura. The sensor’s role is critical in detecting engine knock or detonation, allowing the engine control unit to adjust ignition timing accordingly.

Common Applications and Issues Addressed

• Detects engine knocking to prevent potential damage
• Helps maintain proper ignition timing for fuel efficiency
• Supports emission control compliance in GM and Saab vehicles
• Reduces engine noise caused by detonation
• Prevents check engine light triggers related to knock sensor faults

Installation Notes and Tips

• Ensure the mounting surface is clean and free of debris before installation
• Use the included mounting hardware to secure the sensor firmly
• Verify connector orientation matches the female oblong connector on the vehicle wiring
• Do not reuse old mounting bolts to avoid improper sensor grounding
• Consult vehicle-specific service manual for torque specifications and sensor location

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for the 242-1101 ignition knock sensor, ensuring compatibility and durability. This sensor meets or exceeds OEM specifications for emission control sensors. Warranty details are provided by the manufacturer and typically cover defects in materials and workmanship under normal use.