2020 6L80 Master Kit Builder
Build your own 2020 6L80 rebuild kit. Every part below is checked to fit a 2020 6L80, so the valve body, solenoids and kits match your year. Most parts come in two choices: Regular (direct replacement) or Upgrade (heavy-duty or performance). Pick only what your job needs and skip the rest.
1 Tick the parts you need2 Your total updates at the bottom3 Click Add selected to cart and check out once
Rebuild and Overhaul Kits
Rebuild / overhaul kit pick one
$230.99
Valve Body
Valve body
Regular
Verified for 2020 • fits 2010-2021
$410.00
Pistons, Servos and Accumulators
Pistons and accumulators
$150.99
2020 6L80 year notes for techs
- Valve body (2010-2021): Late-style valve body (Sonnax '10-later'). (source)
- Separator plate (2014-2021): Revised plate: low/reverse exhaust orifice reduced to .054 in. and a #8 checkball added in the center pocket to fix a 1st-gear engine-braking clunk. (source)
- Internal harness (2012-2021): Unigear-compatible speed sensor 24265536 (different height). (source)
- Pump (2009-2021): Pump cover with notched grooves for 2-piece seal rings (anti-rotation tab) and a rubber o-ring under the seal. (source)
- Drums and shells (2008-2021): 2008 MY design change to the 1-2-3-4 piston, 1-2-3-4 piston housing and 3-5-R piston: 1-2-3-4/3-5-R oil capacity reduced about 20%, with a matching TCM calibration change. (source)
- Drums and shells (2010-2021): Units built before June 2010 can crack the 1-2-3-4 piston. (source)
- Case (2012-2021): Unigear: the output ring gear and output shaft became one part (a cost reduction) from March 2012, with all units changed by end of 2012. (source)
- Switches and sensors (2007-2021): Updated IMS 24246427 (mid-2007 interim; nickel-plated contacts, stainless lead frame), backservices all earlier years. 2007 is a split year. (source)