Remanufactured 6L90 Transmissions That Deliver Under Load
The 6L90 was built for bigger jobs โ but it’s also known for big problems. Torque converter failure, fluid breakdown, and harsh shifts aren’t rare. Theyโre expected.
ACE remanufactures 6L90 units the way your shop needs them: updated, tested, and ready to install. No extra downtime. No return headaches. Just solid solutions for heavy-use platforms.
6L90 Problems We Know Youโve Seen
- Torque converter clutch failure and metal contamination
- Cracked bell housings or stator shaft wear
- Line pressure issues and delayed engagement
- Shift flare or harsh transitions under load
- Fluid breakdown in fleet or towing environments
We reman every unit with failure-prone parts replaced and OE updates included. Nothing leaves the floor untested.
What Sets Our 6L90 Builds Apart
- ๐ ๏ธ Fully remanufactured from case to tail
- ๐ Dyno tested under heavy-load simulation
- โ๏ธ Includes updated valve bodies, converter clutch improvements, and new bushings
- ๐ข๏ธ Included with Mobil 1 synthetic transmission fluid
- ๐ฆ Same-day shipping on most builds
- ๐ก๏ธ Backed by a 3-year / unlimited mileage warranty
Common Vehicles Running the 6L90
We supply drop-in 6L90 units for:
- Chevy Silverado HD (2500 / 3500)
- GMC Sierra HD (2500 / 3500)
- Chevy Express / GMC Savana 2500 & 3500 Vans
- Chevy Suburban / Yukon XL (Heavy-Duty Fleet Packages)
- Some Police / Municipal / Ambulance Chassis
Not sure about fitment or calibration? Call our team. Weโll confirm it in minutes.
Why Fleet & Commercial Shops Trust ACE
- โ More uptime โ fewer comebacks and failed installs
- โฑ๏ธ Save 4โ8 labor hours per build vs. internal rebuilds
- ๐ง Live install support available when your tech needs help
- ๐ Transferable warranty builds resale value and trust
- ๐ฒ 18-month warranty option available for price-sensitive fleet jobs
Shop-Tested. Fleet-Trusted.
- โ๏ธ 3-Year / Unlimited Mileage Warranty
- โ๏ธ Includes parts, labor, shipping & Mobil 1 fluid
- โ๏ธ Nationwide coverage from a real team
- ๐ฒ Lower-cost option available when needed
Letโs Get Your Next 6L90 Out the Door
๐ Request a quote in under a minute
๐ Talk to a real tech to match the unit
๐ Most 6L90s ship same-day
The 6L90 doesnโt need to be a headache. Put a reman in your shop that you can trust.