Transmission · Automatic 4-speed · 4.8L
400-RL01232A Transmission interchange
400-RL01232A is a Redline transmission interchange code that fits 5 vehicles from 2006–2010, option Automatic 4-speed · 4.8L.
INFERRED
Inferred: matched by vehicle specs. Likely right; confirm before you sell.
Fits
| Year | Make | Model | Option |
|---|---|---|---|
| 2006 | GMC | Sierra 1500 | Automatic 4-speed · 4.8L |
| 2007 | GMC | Sierra 1500 | Automatic 4-speed · 4.8L |
| 2008 | GMC | Sierra 1500 | Automatic 4-speed · 4.8L |
| 2009 | GMC | Sierra 1500 | Automatic 4-speed · 4.8L |
| 2010 | GMC | Sierra 1500 | Automatic 4-speed · 4.8L |
OEM numbers
17803781, 17803883, 17803945, 17803946, 19370271, 19370273, 19431743, 19431745, 19431746, 19431748, 19431749, 89037490, 89037492, 89037514, 89037515How to verify
- Check the ID tag or transmission code against the OEM numbers above.
- Decode the VIN to confirm year, model and powertrain.
- Compare the part physically: mounts, connectors and dimensions.
Information is a guide only. Verify fitment before sale. No warranty is given.
Last updated 2026-10-03