The 6L80 is GM's modern 6-speed RWD — Dexron HP-only, friction-sensitive, and unforgiving of incorrect fluid. The rebuild is shorter than a 4L80E but the tolerances are tighter. Source the right friction module and the unit comes back like new.
Years
2006-present
Fits
GM Silverado, Sierra, Camaro, Corvette, Cadillac CTS-V
Parts In Stock
Full catalog at Gearbox Insider
Ship Time
Same-day before 2pm ET
Common 6L80 Failures & Fixes
Use this as a starting point for diagnosis. Click through to the specific part once you've narrowed it down.
| Symptom | Most Likely Fix |
|---|---|
| Wavy 2-3 shift | 1-2-3-4 clutch pack |
| Stuck in 2nd gear (TCC code) | wave-plate or TCC solenoid |
| Solenoid body failure | master solenoid kit |
| Fluid contamination | complete fluid + filter + magnet kit |
What's In the 6L80 Catalog
The full Sonnax-grade aftermarket and OE-equivalent catalog for the 6L80 family is on Gearbox Insider. That's where the inventory lives, ships from, and updates in real-time.
- Master rebuild kits (gaskets, seals, friction modules)
- Valve body kits (Sonnax)
- Solenoid sets (shift, EPC, TCC)
- Speed sensors (ISS & OSS)
- Clutch packs & bands
- Pumps, drums, planets, sprags
- Pressure regulator & boost valve kits
- Bushings, bearings, thrust washers
Why Buy From Us
Spec parts
not "compatible"
not "compatible"
Ship before
2pm Eastern
2pm Eastern
Shipping
no minimum
no minimum
Built by & for
transmission pros
transmission pros
Related Guides
Diagnostic and rebuild guides for the 6L80 on Gearbox Insider:
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