Welcome to Hidden Valley Auto Parts. Since 1961 Hidden Valley Auto Parts has been servicing Phoenix and the surrounding areas and we are an excellent source of quality classic and antique auto parts. Hidden Valley Auto Parts is family owned and operated and our technicians have over 75 years of experience to answer any questions you may have regarding your classic and antique automobiles. Our inventory consists of over 2500 cars and trucks ranging from the 1930's to early 2000's. All parts come with a limited 90 day warranty.