The Petebilt 2006 Through 2015 HVAC Blower Motor Switch is a practical and effective solution for fixing a common failure point without unnecessary cost. Made with a plastic housing material and a black finish, this switch features a manual activation and a twist switch style with 8 male blade terminals. It is sold individually and is easy to install, as it is plug and play for straightforward repair. Designed to fit most Peterbilt 2006-2015 379 and 384 models, this switch serves as a direct OE replacement with the number Q21-6012.