AAA Approved Auto Repair Shop Reviews Keller`s Professional Auto and Diesel, Inc. 10841 S Parker Road Parker, CO 80134 Tel: (303) 840-7500 Hours: M-F: 07:00 AM - 06:00 PM Sat: Closed Sun: Closed Reviews Sort Reviews by: Date » or Rating » 1 Reviews Parker, CO Reviewed : 01/30/2020 Comment : Dont change a thing...they had a full day already set and they found a way to get me looked at and they got me car fixed in the same day..I cant thank them enough