Arnott C-4426 Active to Passive Suspension Conversion Kit - Front and Rear

Coil Spring Conversion for GM Trucks

Arnott C-4426 converts the front and rear air suspension on select 2015-2020 GM pickup trucks to a steel coil spring setup. This active-to-passive suspension conversion kit is built for drivers who want a direct replacement solution for the factory air system on Chevrolet Silverado 1500 and GMC Sierra applications.

Designed and assembled in the U.S., the Arnott C-4426 kit uses strut assemblies with American steel coil springs and includes Arnott’s Electronic Bypass Module to disable suspension warning lights after the conversion.

Key Features

• Active to passive suspension conversion kit for factory air suspension systems
• Steel coil spring construction with black finish
• Standard replacement suspension grade
• Open-end compression spring design
• Includes Arnott patented Electronic Bypass Module for dashboard warning light control
• US designed and assembled
• Part number C-4426 for easy identification

Detailed Description

Arnott C-4426 is a coil spring conversion kit engineered for 2015-2020 GM pickup trucks in the GMT K3XX platform. It replaces the original front and rear air suspension with steel coil springs, providing a straightforward path away from air suspension components while maintaining a clean, OE-style fitment approach. This kit is a practical choice for Chevrolet Silverado 1500 and GMC Sierra owners seeking a passive suspension conversion with a standard replacement design. The C-4426 part number is commonly searched by buyers comparing GM Silverado 1500 and GMC Sierra suspension conversion options.

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

What It Helps Address

• Air suspension warning lights on the dashboard
• Failure-prone air spring or air strut components
• Loss of ride support from aging air suspension parts
• Need to convert from active air suspension to steel coil springs
• Suspension service on 2015-2018 Chevrolet Silverado 1500 and GMC Sierra trucks

Installation Notes and Tips

Install the conversion kit on the front and rear suspension positions specified for the vehicle application. The included Electronic Bypass Module is used to turn off suspension warning lights after the air system is removed. Verify year, make, model, and suspension configuration before installation to confirm the truck matches the listed fitment for the C-4426 kit.

Quality Assurance

Arnott designs and assembles this kit in the United States and uses American steel coil springs for the conversion assemblies. The Electronic Bypass Module is covered by Arnott’s patented technology, US Pat. No. 9,329,917.

• Fits 2015-2018 Chevrolet Silverado 1500, front and rear
• Fits 2015-2018 GMC Sierra, front and rear
• Fits 2015-2018 GMC Sierra 1500, front and rear