42554878 GM Steering column clock spring

What is this part?

The GM steering wheel clock spring 42554878 is a genuine OEM electrical component designed to maintain electrical connections within the steering wheel while it rotates.

What does it do?

This OEM clock spring provides continuous electrical contact between the steering wheel and vehicle systems such as the airbag, horn, steering wheel controls, and cruise control. It allows the steering wheel to rotate while keeping wiring intact through a flexible ribbon cable. A genuine GM clock spring is manufactured to factory specifications, ensuring reliable signal transmission and correct rotation range. Proper clock spring operation is essential for airbag functionality and steering wheel control systems.

When to replace

The GM steering wheel clock spring 42554878 should be replaced if the airbag warning light is on, steering wheel buttons stop working, the horn fails, or clicking noises occur when turning the wheel. Internal ribbon cable damage or over-rotation may cause malfunction. Installing a genuine OEM clock spring helps restore proper electrical connections and safety system operation.

Compatibility

The genuine GM steering wheel clock spring 42554878 is compatible with selected GM vehicles. This OEM component is engineered for precise fitment within the steering column assembly. Compatibility may vary depending on airbag type, steering wheel control configuration, and model year. Please verify the part number 42554878 before purchase.

Installation: DIY or service?

Installation of this genuine OEM GM steering wheel clock spring 42554878 involves working with the airbag system and steering alignment. Professional installation is strongly recommended to ensure correct centering, prevent damage, and maintain airbag safety.