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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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
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This company invites their customers to review, whether positive or negative
Replied to 84% of negative reviews
Typically replies within 1 week
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POOR CUSTOMER SERVICE
POOR CUSTOMER SERVICE. I ordered some simple parts (wiper blades). The box had tracking and was delivered EMPTY. The postman handed it to me, so there was no porch piracy involved. Probably fell out of the flimsy triangular cardboard packaging. Couldn't get parts replaced nor a refund. Still arguing with USPS to get refund for $75. Haven't got it yet. GM PARTS GIANT PICKED THE SHIPPER AND PAID THEM. THEY HAVE THE POSTAL RECEIPT - NOT ME. I have reordered the parts through GM Parts Direct and actually paid $5 less for the very same GM parts. NEVER AGAIN.
30 March 2026
Unprompted review
Fast delivery,very good quality,very…
Fast delivery,very good quality,very good communication and tracking
27 March 2026
Everything was perfect!
27 March 2026
I ordered an official OEM gas cap for…
I ordered an official OEM gas cap for my car. What I received was an un known gas cap, it was not in a GM or Delco bag.
Just a cardboard flat inside of an unmarked box
27 March 2026
Reply from GMPartsGiant.com
Thank you for your feedback.
We understand that receiving an item in anything less than expected condition can be frustrating.
We’re sorry to hear that you feel this way. To clarify, our products are genuine OEM items sourced directly from the original factory, not knockoffs or replicas. We understand misinformation is common, but we stand by the authenticity and quality of everything we sell.
We have documented your feedback and will be forwarding this packaging concern to prevent similar issues in the future. If the condition of the packaging affected the part, please let us know and we will be happy to assist you further.
easy to deal with and had the parts i…
easy to deal with and had the parts i needed also fast shoipping.
27 March 2026
Good prices and fast shipping
27 March 2026
It was the wrong part but I couldn’t…
It was the wrong part but I couldn’t return it because the enter button was not working properly
27 March 2026
Reply from GMPartsGiant.com
Thank you for your feedback.
If you need assistance submitting an RMA request, please reach out to us via LiveChat, email, or call us at 1-888-737-9766 if your device isn't functioning properly.
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.
For more information regarding our returns policy, please visit
www.gmpartsgiant.com/service/gm-return_policy
Life Savior!!
Needed a part for my 2003 Saturn VUE so when my local parts stores can’t help…..this is where I’ll go in the future.
27 March 2026
I ordered a sensor and paid for next…
I ordered a sensor and paid for next day shipping which was 92 dollars and didnt get it until a week later
27 March 2026
Reply from GMPartsGiant.com
Thank you for sharing your experience, and we are truly sorry to hear about the challenges you faced.
Please note that overnight shipping does not reduce the standard processing time of 1-3 business days. Overnight shipping only applies once the carrier has picked up the order and it is in transit. We have looked into your order and found that since the order was placed on a Saturday, shipment was processed and shipped within 2 business days on Tuesday.
We understand how important it is and your feedback is invaluable and will help us improve and better serve our customers in the future. Thank you!
Fast shipping
Fast shipping! Perfect fit! Windshield wiper screen, replacement for old broken screen on 2012 Chevrolet truck.
27 March 2026
Parts were genuine GM OEM exact and…
Parts were genuine GM OEM exact and cheaper than the dealer
27 March 2026
Many parts available and quick shipping…
Many parts available and quick shipping make this a pleasant experience. Hard to locate parts are available at your fingertips. Thank you for a great experience.
27 March 2026
Right part at a great price!
27 March 2026
GMPartsGiant.com is a legitimate honest company.
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 parts that do not last a significant timeframe. I also love that shipping is always prompt and fast. Prices for GMGiant are also reasonable considering your buying quality that last.
27 March 2026
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