The only negative about the process was the shipping cost vs delivery time. The cost was steep for the amount of time it took to arrive.
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Review summary
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Reviews shaping this summary
Great pricing with good availability of parts. Genuine GM part was set & functioning in a low mileage 2004 Chevrolet Avalanche. This was a complete blower motor kit, with all after market motors a com... See more
Great company! I have bought several parts from them. Ordered new gm injectors for my pickup and motor runs smooth compared to rough with aftermarket injectors and got a great price for them. They alw... See more
Company replied
I love GMPartsGiant.com because all I need to do is enter the VIN number for my wife's Cadillac Xt5 and it automatically pulls up the correct parts plus they're OEM Original, not some cheap knockoff p... See more
Company details
Written by the company
GM Parts Giant, by Genuine Parts Unlimited, Inc., is one of the largest distributors for OEM GM parts. Our online GM parts website offers customers the best discounted prices on OEM Chevrolet parts, GMC parts, Cadillac parts, and Buick parts. OEM stands for Original Equipment Manufacturer. In other words, it simply means our parts come direct from GM and GM AC Delco. Essentially, we do not sell aftermarket parts. We ship all of our parts from region based GM dealers within three business days to provide for fast service.
Written by the company
Contact info
United States
- 888-737-9766
- support@gmpartsgiant.com
- gmpartsgiant.com
4.2
Great
963 reviews
Asks customers to review
This company invites their customers to review, whether positive or negative
Replied to 82% of negative reviews
Typically replies within 1 week
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Great parts
Great parts. Correct parts. Arrived as scheduled.Cheaper than aftermarket. Great knowing that OEM parts are on my GMC that going to fit correctly and perform to factory specifications.
21 January 2026
Reply from GMPartsGiant.com
Thank you for your feedback!
We appreciate you taking the time to share your experience. We're glad to hear some things went well, but we also understand there were areas that could have been better.
We’re always looking to improve, so your input is valuable and helps us do just that.
Parts were excellent !came on Time !!
27 February 2026
Return policies are a joke and often send wrong parts
If you look on better Business bureau and other websites like Reddit, you will find they make it very hard for returns. If you plan on returning, you must keep the shipping box the shipping label,Pictures & invoice along with the way they sent it. It's not worth it . I mean, how often do you keep a shipping label off a box! Be aware they also send wrong parts often and you will eat them
6 February 2026
Unprompted review
Reply from GMPartsGiant.com
Thank you for your feedback.
We sincerely apologize for the confusion. Please allow us a chance to clarify, a RMA qualifies as wrong parts when the manufacturer mispacked an item, or the part number received does not match what was ordered. Since we don’t have visibility into a customer’s repair needs, we fulfill what is placed in the order.
If the correct part was shipped as ordered, the RMA will be categorized as no longer needed, and may be subject to a 20% restocking fee, we apologize for the inconvenience. Additionally, not all parts are eligible for return. For more information, please visit www.gmpartsgiant.com/service/gm-return_policy
We appreciate your input and will continue working to improve our processes.
Product deliver on time as promised
29 January 2026
The part was perfect and correct
The part was perfect and correct, could've included some installation instructions but I found those online. Very happy with the purchase.
29 January 2026
Great OEM Parts!
Straight forward, no hassle experience. Always has what I need when it comes to model specific. Great oem products. Thanks!
29 January 2026
It was great, everything the way I wanted it
It was great, everything I expected, good service
29 January 2026
The wrong part was sent
The wrong part was sent. Can I return it and be credited? Thanks!
29 January 2026
Reply from GMPartsGiant.com
Thank you for your feedback. We’ve looked into your order, and unfortunately it falls outside our 30-day return/RMA window. Because of this, we’re unable to process a replacement or return at this time.
We know this isn’t the outcome you were hoping for, and we sincerely apologize for the frustration this may cause. Your feedback is essential for improving our services.
Great service and fast shipping
29 January 2026
The ordering process was very smooth…
The ordering process was very smooth and the part arrived ahead of time. The part was perfect and the installation went very easy.
29 January 2026
Shipped right away and really nice
Shipped right away and really nice. Installed the cap that day and it's great!
29 January 2026
Factory original parts are better every…
Factory original parts are better every time versus aftermarket.
29 January 2026
Crazy expensive for what the part is
Crazy expensive for what the part is. But it got here in good time
29 January 2026
Reply from GMPartsGiant.com
Thank you for taking the time to leave a review. We understand that pricing plays a big role in any purchase decision, and we appreciate you choosing to move forward with us. Your feedback is valuable and helps us continue to improve.
We’re grateful for your support and hope you enjoyed the overall experience.
Made in America.
Easy to order the right part online. Received my order within a week.
29 January 2026
Fast shipping
Fast shipping, accurate part fitment, and great prices. Everything arrived as described and well packaged. Will definitely order from again.
29 January 2026
I liked that you could order the parts…
I liked that you could order the parts needed, just very hard to find the correct part, especially bolts and nuts for them.
29 January 2026
Reply from GMPartsGiant.com
Thank you for your feedback! We appreciate you taking the time to share your experience. We're glad to hear some things went well, but we also understand there were areas that could have been better.
GMPartsGiant.com features Parts Questions, a tool you could use to contact our parts specialists and locate the correct parts information, such as fitment, color, or part number.
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