10 transmission variants are listed for the 2020 GMC Sierra 2500 HD. Compare attributes, check the tag on your unit, and find the one that fits.
More than one variant is listed. Please verify the tag on your unit before ordering. A VIN shows the part your vehicle was built with, but if it has been replaced, the tag on the unit in your vehicle may be different, and the tag on your unit is what determines fitment.
The attributes below differ between variants. Find the matching value on your unit's tag or in your vehicle's records.
6L90 Automatic Transmission Assembly
| Average R&R | 5.8 |
|---|---|
| Bell Housing | 2 Bolt Holes at 12 O'clock |
| Bell Housing Included | Yes |
| Cooler Included | No |
| Cooler Replacement Required | No |
| Extended Warranty | Yes |
| Fluid Type | PZL-LVMULTI |
| Lockup | Yes |
| Pan Bolts | 18 |
| Premium Labor | Yes |
| ProductVideoURL | https://etereman.wistia.com/medias/nfarprq800 |
| Radiator Included | No |
| Radiator Replacement Required | No |
| Tail Housing | Without |
| Torque Converter Included | Yes |
| Transmission Family | 6L90 |
| Transmission Fluid | 10 |
| Transmission Speeds | 6-Speed |
None listed.
6L90 Automatic Transmission Assembly
| Bell Housing | 2 Bolt Holes at 12 O'clock |
|---|---|
| Bell Housing Included | Yes |
| Cooler Included | No |
| Cooler Replacement Required | No |
| Extended Warranty | Yes |
| Fluid Type | PZL-LVMULTI |
| Lockup | Yes |
| Pan Bolts | 18 |
| Premium Labor | Yes |
| ProductVideoURL | https://etereman.wistia.com/medias/nfarprq800 |
| Radiator Included | No |
| Radiator Replacement Required | No |
| Tail Housing | With |
| Torque Converter Included | Yes |
| Transmission Family | 6L90 |
| Transmission Fluid | 10 |
| Transmission Speeds | 6-Speed |
None listed.
10L1000 Automatic Transmission Assembly
| Bell Housing Included | Yes |
|---|---|
| Extended Warranty | Yes |
| Premium Labor | Yes |
| Torque Converter Included | Yes |
None listed.
None listed.
10L1000 Automatic Transmission Assembly
| Bell Housing Included | Yes |
|---|---|
| Extended Warranty | Yes |
| Premium Labor | Yes |
| Torque Converter Included | Yes |
None listed.
None listed.
10L1000 Automatic Transmission Assembly
| Bell Housing Included | Yes |
|---|---|
| Extended Warranty | Yes |
| Premium Labor | Yes |
| Torque Converter Included | Yes |
None listed.
None listed.
10L1000 Automatic Transmission Assembly
| Bell Housing Included | Yes |
|---|---|
| Extended Warranty | Yes |
| Premium Labor | Yes |
| Torque Converter Included | Yes |
None listed.
None listed.
10L1000 Automatic Transmission Assembly
| Bell Housing Included | Yes |
|---|---|
| Extended Warranty | Yes |
| Premium Labor | Yes |
| Torque Converter Included | Yes |
None listed.
None listed.
10L1000 Automatic Transmission Assembly
| Bell Housing Included | Yes |
|---|---|
| Extended Warranty | Yes |
| Premium Labor | Yes |
| Torque Converter Included | Yes |
None listed.
None listed.
10L1000 Automatic Transmission Assembly
| Bell Housing Included | Yes |
|---|---|
| Extended Warranty | Yes |
| Premium Labor | Yes |
| Torque Converter Included | Yes |
None listed.
None listed.
10L1000 Automatic Transmission Assembly
| Bell Housing Included | Yes |
|---|---|
| Extended Warranty | Yes |
| Premium Labor | Yes |
| Torque Converter Included | Yes |
None listed.
None listed.
10 variants are listed: T282139, T282140, T282851, T282852, T282853, T282854, T282855, T282856, T282857, T282858. Which one fits depends on the tag on your unit.
Check the tag on your unit before ordering. Please verify the tag on your unit before ordering. A VIN shows the part your vehicle was built with, but if it has been replaced, the tag on the unit in your vehicle may be different, and the tag on your unit is what determines fitment.
The attributes that differ between variants are: Tail Housing.
Fitment data from the ETE catalog, our own completed orders, and Hollander interchange data. Numbering systems are listed separately and never merged. When a record lists more than one variant, the tag on your unit is the final word on fitment.