Holstein 2KNC0414 Ignition Knock (Detonation) Sensor

Holstein Knock Sensor for GM Applications

Holstein Parts 2KNC0414 is an ignition knock sensor for a wide range of Chevrolet, GMC, Cadillac, Buick, Pontiac, Saturn, Hummer, Saab, and Isuzu vehicles. It is used in GM engine management systems that monitor detonation and help maintain proper ignition timing.

Key Features

• Ignition knock (detonation) sensor for emission control and engine management systems
• Holstein Parts brand line coverage for GM and related platform applications
• Direct replacement fitment across many Chevrolet Silverado, GMC Sierra, and Cadillac models
• Cross-references Delphi AS10261 and Standard Ignition KS211 for the same application
• Part number 2KNC0414 for catalog and search identification

Detailed Description

Holstein Parts 2KNC0414 is a replacement knock sensor used to detect engine knock so the vehicle computer can adjust timing as needed. This part number is listed for broad fitment on vehicles such as the Chevrolet Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 1500, Sierra 2500 HD, Sierra 3500 HD, Cadillac CTS, and Chevrolet Camaro. It also covers many other GM platforms from 2004 through 2021, including the Chevrolet Tahoe, Suburban, Express vans, and GMC Savana models. The Holstein Parts line is positioned for direct-fit replacement needs where accurate knock detection is required for proper engine control.

This part cross-references Delphi AS10261 and Standard Ignition KS211 for the same application.

What It Helps Address

• Knock sensor fault codes
• Audible spark knock or pinging under load
• Incorrect ignition timing control
• Reduced engine performance caused by detonation-related faults
• Check engine light concerns tied to knock sensor circuit issues

Installation Notes and Tips

• Verify the OE number and connector style before ordering, especially on 2007 Silverado and Sierra applications with 2-wire notes.
• Inspect the harness and mounting surface during replacement to avoid repeat sensor faults.
• Clear diagnostic trouble codes after installation and confirm the repair with a scan tool.
• Use the vehicle’s exact year, make, and model to confirm coverage for Chevrolet Silverado 3500 HD, GMC Sierra 2500 HD, and Cadillac CTS applications.

Quality Assurance

Holstein Parts 2KNC0414 is cataloged as a direct replacement sensor for the listed GM applications and related interchange numbers.