Used 2020 GMC Sierra 2500 HD transmissions
4 transmission options for the 2020 GMC Sierra 2500 HD, 4 in stock to buy online. Engine size: 6.6L. Transmissions: automatic. Drivetrain: 4X2 and 4X4. Units differ by engine code, so check the VIN code column against your VIN, or send us your VIN and we'll match it before anything ships.
2020 GMC Sierra 2500 HD transmissions
4 options · $3,970 – $8,785
| Transmission | VIN code | Mileage | Price | Availability |
|---|---|---|---|---|
| (AT, 6.6L), Diesel, 4x2, Opt MGM, ID OMCFTF-T009619 | By VIN | 26,000–86,000 mi | from $4,967 | In stock |
| (AT, 6.6L), Diesel, 4x4, Opt MGM, ID OMEFTF-T009618 | By VIN | 46,620–104,000 mi | from $5,039 | In stock |
| (AT, 6.6L), Diesel, 4x4, Opt MGM, ID OMKFTF-T009617 | By VIN | 26,000–98,000 mi | from $5,509 | In stock |
| (AT, 6.6L), Gasoline, 4x2TF-T009616 | By VIN | 13,000–55,000 mi | from $3,970 | In stock |
Which 2020 Sierra 2500 HD unit fits yours?
The VIN code tells them apart. Decode your VIN, or text it to us and we'll confirm the match.