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NAPA Auto Parts - The Rock Parts Co

  • Kerbside pickup
  • Delivery
  • In-store shopping
165 Caprice Ct, Castle Rock, CO, 80109, United States
Open · Closes at 6 PM


7:30 AM - 6 PM
7:30 AM - 6 PM
7:30 AM - 6 PM
7:30 AM - 6 PM
7:30 AM - 6 PM
8 AM - 5 PM
9 AM - 4 PM


151 reviews


"Excellent service, and friendly staff!"

"Im an automotive technician working in this area for the last 8 years."

"Decent place with great prices"

Rachel Layman · 1 year ago

Patrick is the absolute best and found my dad a mystery part online and didn’t give up cause they didn’t have it in stock. Truly good worker and very knowledgeable

Owner's response · 1 year ago

Hey Rachel. We love hearing this and we're glad we could help you find the parts you needed! Thank you for taking the time to write a review. -NAPA

Jimi Acquavella · 1 year ago

So I picked up a very expensive set of headlight bulbs and when I went to install them a couple of days later I noticed that the bulbs looked like they had already been installed in another car, took them back and explained the situation, NAPA took the bulbs back and ordered me in another set No questions asked! Thanks Rick was great in helping me get the parts I needed for my 71 VW dune buggy!

Owner's response · almost 2 years ago

Hey Jimi, we're glad we could help! Thanks for the review. - NAPA

CHRISTO4751 · 1 year ago

I've been coming to the Castle Rock location for 22 years! They are a very reputable, family owned and operated NAPA franchise!!

Thomas Hermes · almost 1 year ago

Most knowledgeable parts guys around always has been they do everything but fix it for you

Owner's response · almost 1 year ago

Hey Thomas. We love hearing this and we're glad we could help you find the parts you needed! Thank you for taking the time to write a review. -NAPA

Jose Duarte · 1 year ago

Poor customer service they tend to bring their personal problems to work and pay it off with the customer

Owner's response · 1 year ago

Hi Jose, thanks for letting us know about this. That’s not the customer experience we strive for. Would you mind giving us a call at 1 (800) 538-6272, so we can learn more about your experience? - NAPA

Charity Dunn · more than 3 years ago

It is a great place to get parts especially when you talk to Randy. He is their best employee. Always friendly & always willing to make sure you get everything you need when you have him helping you. There is one guy there who isn't as professional as Randy but maybe it is because he is new or something.

Owner's response · more than 3 years ago

Thanks for the shout-out to Randy! We love hearing this and we're glad we could help! -NAPA

Lynn Morris · 2 years ago

This is my favorite auto parts store. Team is extremely knowledgeable. My husband calls before he sends me out.. sure makes picking up parts easy. Thank You

Owner's response · 2 years ago

We're glad we could help! Thanks for the review. - NAPA

Joseph Light · 6 years ago

I have never had an experience this good in a parts store in 20+ years of shopping. The staff (Keith in particular) were incredibly helpful, kind, polite, and knew exactly what they were doing. No condescending tone during their questions, no BS, there is not a single bad thing I can possibly say about them. I drive from 30 miles away, through dozens of other part stores, specifically to use this store.

Owner's response · 6 years ago

Joseph, thank you for this great review! We love knowing that our customers had a great experience in our store and it means a lot to us that we have earned your trust to be your go to parts store. We look forward to being able to help you again next time!

JL Johnson · almost 6 years ago

Terrible customer service complete with attitude. And, don't trust them, went to have rotors resurfaced. They said probably cant be done as they're too close to min spec and warped. But, he was happy to sell a me a new set, i was skeptical (another clerk wasn't any better) based on his attitude. ... I left and had them resurfaced at another shop who indicated they were well within spec and they turned well without issue. I was also considering a new set based on a 20% of sale online/in-store. However, they wouldn't honor the ad and said the rotors were an "ineligible" product even though I COULD order online and receive the discount..not ineligible there... They won't honor ads running on the NAPA website, bad attitude, and dishonest. I will never do business at Castle Rock "Rock Parts" NAPA store again and will recommend others don't either. I've always had a good experience at other NAPA stores, never at this one..

Robert Acsell · 3 years ago

I bought a master lock hitch pin lock from the castle rock location. I had the product for about 2 months before the key broke off in the lock. I didn’t keep the receipt because seriously... if I kept a receipt for all that I I buy ide have an library. Anyways I was a member and knew they track the purchases so I thought it would be no problem. Well when the associate came to help he said he would have to ask the manager before he did anything. Really, for a 20 dollar product you have on the shelf right now? and ide have to wait at least a day because I didn’t have the receipt.I thought that was weird because it shouldn’t be a problem to do an exchange anyways but I told him I was a member and he should just be able to look it up on my account. Well looks like when I bought it... the sales associate didn’t put it under my account. So I didn’t have the product tracking. Either way I can’t understand how an exchange for a defective product would be such an issue. I’ve worked in retail and defective products get sent back to the manufacture at no cost to the store. Especially with someone like Napa who spends millions on locks and such. The associate said he could not help me... but I just think he didn’t want to. so not being as clearly petty as Napa is, I threw the lock in the trash along with my membership to Napa. Right where it belongs. I’ll be traveling farther for my auto parts now. Amazing how a company is willing to lose a dollar to save a dime. So disappointing. By the way... this just happened.... time stamp it management. It’s a good training opportunity if this isn’t how you normally operate. By the way... this easy my first ever attempted exchange in a Napa. It’s really unfortunate because the company I work for also has an account with Napa for dump truck parts. Seeing as I’m the guy who goes out and buys the parts... looks like someone else gets that business too. Napa lost way more than I did with this breakup lol.

Owner's response · 3 years ago

Thanks for taking time to write a review, Robert. We appreciate your honest opinion and we will pass this along to our Customer Experience team . -NAPA


Service options

Kerbside pickup
In-store pick-up
In-store shopping


Wheelchair-accessible car park
Wheelchair-accessible entrance


Quick visit


Debit cards
NFC mobile payments
Credit cards


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