O'Reilly Auto Parts store #3550 in Castle Rock, Colorado is a reliable destination for automotive parts, tools, and services. The store carries a wide range of products and offers free services like battery testing, wiper blade and bulb installation, fluid recycling, and Check Engine light testing. Customers praise the store's cleanliness, organization, and the knowledgeable and friendly staff who are always willing to assist in locating the required components. The store also has a free Loaner Tool program, and customers can get their brake rotors and drums resurfaced on-site. With over 6,000 O'Reilly Auto Parts stores across the US, this location is a convenient option for locals and travelers alike.
They were amazing. I walked in and asked for bulbs and unfortunately i was about 45 cents short, but the young guy at the register spotted me for it and made my week. These dudes are amazing.
August 2026
Very helpful and friendly staff. They go above and beyond to help you.
June 2026
Guys were really helpful & kind. It was really nice that they helped me out in getting what I needed.
