Walker 921-2400 Ignition Coil

Walker 921-2400 Ignition Coil

Walker 921-2400 is a single ignition coil for direct replacement on select Cadillac, Chevrolet, and GMC applications. It supports consistent spark delivery for vehicles that use a single-coil ignition setup, including Silverado 1500 and Sierra 1500 models.

Key Features

• Single coil ignition coil for OE-style replacement
• Fits 2019-2022 Chevrolet Silverado 1500, N/A, Single Coil
• Fits 2022 Chevrolet Silverado 1500 LTD, N/A, Single Coil
• Fits 2019-2022 GMC Sierra 1500, N/A, Single Coil
• Fits 2022 GMC Sierra 1500 Limited, N/A, Single Coil
• Fits 2020-2022 Cadillac CT4, N/A, Single Coil
• Walker part number 921-2400 for application matching

Detailed Description

This ignition coil is cataloged for vehicles with a single-coil ignition configuration and is listed for 2019-2022 Chevrolet Silverado 1500, 2022 Chevrolet Silverado 1500 LTD, 2019-2022 GMC Sierra 1500, 2022 GMC Sierra 1500 Limited, and 2020-2022 Cadillac CT4. Walker 921-2400 is the part number to verify when matching the correct ignition coil to these applications.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Engine misfire caused by a weak ignition coil
• Rough idle related to inconsistent spark output
• Hard starting tied to ignition coil failure
• Loss of power under load from poor coil performance
• Check engine light conditions associated with ignition system faults

Installation Notes and Tips

Confirm the vehicle year, make, model, and ignition configuration before ordering. This listing is for N/A position applications with a single-coil setup, so match the original part number and connector style to the vehicle service information before installation. Walker 921-2400 should be installed on the correct application only.

Quality Assurance

Walker is the brand line identified for this ignition coil, and 921-2400 is cataloged for specific GM and Cadillac fitments to support accurate replacement selection.