Steadfast Auto

Welcome to Steadfast Auto, manufacturer of premium quality aftermarket automotive parts and accessories. Steadfast Auto is the solution to the low quality parts plaguing the aftermarket today. Our goal is to provide superior aftermarket parts for today's most popularly modified vehicles such as the Ford Mustang. We are constantly adding new products and vehicles to our catalog so check back often.

Featured Product

Mustang Billet Aluminum HVAC Knobs

Mustang Billet Aluminum HVAC Knobs

Tired of the boring plastic Heating, Ventilation, and Air Conditioning controls of your 1990 to 2004 Ford Mustang? This easy to install kit includes 3 billet aluminum replacement knobs designed to perfectly replace your Mustang's Fan Speed, Temperature, and AC/Heat/Vent/Defrost selector knobs. For more details on our Mustang Billet HVAC Kits please visit our Mustang Billet HVAC Knobs Page.