Jullian M.
Everything was quick and on time
Everything was quick and on time. Transmission work as it should
Response from Quantum GearSep 18, 2026
Jullian, glad it was painless. Thanks for coming back to let us know.

At Quantum Gear, we understand that a failing transmission is stressful — and that trusting someone with a repair this important isn't an easy decision. That's why we focus on doing things the right way, from the first click to the day your unit arrives.We specialize in remanufactured GM automatic transmissions, with our core lineup built around the 6L80 and 6L90. Every unit goes through a complete remanufacturing process, where worn and failure-prone components are replaced and restored. Before anything ships, each transmission is tested on a dynamometer, so we know it performs the way it should — not just on paper, but under real load.We ship nationwide. Ordering is done online, and your unit is delivered by freight straight to you, wherever you are in the country.Whether you're a repair shop, a mechanic, or a driver simply trying to get your vehicle back on the road, our goal is the same: make the process clear and straightforward, and hand you a unit you can rely on. No guesswork, no runaround — just a properly remanufactured transmission and people who are ready to help when you have questions.
Quantum Gear (quantumgear.us) has 121 customer reviews on Five Star Index, with an average rating of 4.9 out of 5.
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121 approved reviews, newest moderated first
Jullian M.
Everything was quick and on time. Transmission work as it should
Response from Quantum GearSep 18, 2026
Jullian, glad it was painless. Thanks for coming back to let us know.
Brad B.
No problems at all. Very quick to answer questions. Everything went just how they said it would. From ordering to picking up the old tranny there were no problems.
Response from Quantum GearSep 18, 2026
Brad, appreciate you. Hope it gives you a long stretch of nothing to think about.
Brent B.
Ordering was easy and customer service was excellent. I did pick up and everyone was nice and assisted loading in my truck. Transmission works great. Will buy from again if i need.
Response from Quantum GearSep 17, 2026
Brent, it was good having you at the shop. Glad the guys got you loaded up and on your way. Hope it serves you well for a long time, and you know where we are.
Daniel
Just great customer service and responsiveness from your team. Thank you
Response from Quantum GearSep 17, 2026
Daniel, thank you. That's the part of the job we care about most, so it's nice to hear it landed. Take care.
Adrian
Customer service was awesome and everything is working perfectly.
Response from Quantum GearSep 14, 2026
Adrian, that's exactly what we like to hear. Enjoy the ride and don't be a stranger.
Steve C.
Great communication with seller service great product. Honest prices
Response from Quantum GearSep 14, 2026
Steve, thank you. We try to treat people the way we'd want to be treated when we're the ones buying, so this means a lot.
Ryan L.
Transmission arrived quickly. Shipping core back was a breeze. And price was competitive. Transmission is working great
Response from Quantum GearSep 14, 2026
Ryan, this one made my morning. Hope that truck treats you well for a long time, and you know where to find us if another one ever needs doing.
Paul H.
Fast shipping
Response from Quantum GearSep 14, 2026
Ha, that's all we needed to hear, Paul. Thanks for taking the time.