Radio Function Switch – GM (42639310)

This Radio Function Switch (42639310) from GM Genuine Parts replaces the original part on the same mounting points and connector. It plugs into the factory connector and keeps the original mounting footprint. Catalogue application notes: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors. Match 42639310 to the number on the failed component. Count the pins or check the connector keyway if two numbers look interchangeable. GM Genuine Parts are the components installed during production or validated by General Motors for GM vehicles. Ships from our US warehouse.