monstertransmission.com

1.9
1.9 Based on 81 reviews

Vehicle Transmissions are as much of a necessity to your drivetrain as is the engine. Some transmissions are re-manufactured with a firmer shift and set with various shift points. Not one remanufacturer of transmissions covers all of these scenarios so......

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Average Rating

1.9

/
5

81 Reviews

5 Star
23%
4 Star
0%
3 Star
1%
2 Star
2%
1 Star
73%

All Reviews

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Was charged a core deposit fee without any notes on “we won’t take back this model of transmission b

Was charged a core deposit fee without any notes on “we won’t take back this model of transmission back because having your old transmission shipped back is more expensive”….kind of messed up because I waited over 3 months for them to find a core for a 97 4l60e so clearly it’s not like they’re just laying around for $10 at a yard sale. Either don’t charge the core fee, if the type of model is not cost efficient to ship back, or be honest and charge a $300 shipping fee and NOT promise a “quick and simple core return”.

1
Date of experience: Feb 26, 2026
Jermaine C.
Exceptional customer service and quick shipping!

The support team was outstanding, providing extremely helpful and prompt assistance. The shipping was impressive—not only more affordable than I anticipated, especially given my location, but also very speedy. I will certainly purchase from them again. Thank you!

5
Date of experience: Dec 30, 2025
Ross Sanders
Great experience after initial issues

Initially, I had concerns with the shifting when I purchased it new, and after 95k miles, it overheated on the highway, requiring a tow. I added a thermal bypass and had the fluid flushed at the dealer. The truck was shifting roughly and had noticeable torque converter shudder on the way home, so I didn’t drive it afterwards. I decided to take a chance and replaced the torque converter with a stock 1600rpm. After a test drive today, it was incredibly smooth and shifted perfectly, with temperatures in the 160's. I'm grateful for the helpful advice I received over the phone and for the availability of the parts at a discount. Overall, I'm very satisfied.

5
Date of experience: Dec 20, 2025
flubio googlemeister
2017 Silverado 6L80 xmission overheated

purchased new, never liked the shifting, 95k miles, overheated on the highway had to get towed home. added thermal bypass, had fluid flushed at dealer. truck was shifting hard and sloppy with lots of torque converter shudder on the way home. did not drive it afterwards. took a chance it was just the torque converter and purchased stock 1600rpm, went for a drive today and it was so smooth and shifted so well, temps are in the 160's. thank you Monster for the advice on the phone and having the parts I needed available and on sale. I am very happy all around.

5
Date of experience: Dec 19, 2025
J&R Auto Body & Collision
Best Customer service

We've had a great experience with Monster Transmission. They provide great customer service and asked all of our questions. The process and shipping was quick and easy!

5
Date of experience: Dec 04, 2025
Warren Ksiez
Purchased a billet 6L80 converter

Purchased a billet 6L80 converter. Nice people, best products.

5
Date of experience: Nov 21, 2025
Tanner Thorson
"easy ordering

"easy orderingordering process was easy. shipping was quick."

5
Date of experience: Nov 20, 2025
Jennifer Smith
This place a complete scam

This place a complete scam. They send out junk equipment then give you a run around about honoring their warranty. Beware of them!!!

1
Date of experience: Nov 18, 2025
Matthew Kelly
"2006 ram transmission

"2006 ram transmissionsupper happy with the product and service. when I originally put my order in I used the wrong shipping address. I called and emailed them after hours and the next morning they called me back and got my order changed. They also ran through my vehicle with me to make sure I had ordered the proper transmission. The transmission arrived quickly and as expected. was installed easily and now the other core is on its way back"

5
Date of experience: Nov 10, 2025
Stuart Vogt
Had to replace malfunctioning RAM transmission

Ordered and received the transmission within a week. Installation by my shop went smoothly, but had to work out the tune after a couple of days of driving. All good now. Scheduling the core return was also easy. Great price and included the fluid."

5
Date of experience: Nov 07, 2025

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Business Details

  • Vehicle Transmissions are as much of a necessity to your drivetrain as is the engine. Some transmissions are re-manufactured with a firmer shift and set with various shift points. Not one remanufacturer of transmissions covers all of these scenarios so...

  • language https://monstertransmission.com

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