4 transmission variants are listed for the 1991 GMC C1500. 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.
MG5 Manual Transmission Assembly
| Bell Housing | Integral Bell Housing |
|---|---|
| Brackets Included | No |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm |
| Dyno Tested | Yes |
| Fluid Type | Synchromesh - 12345349 |
| Gaskets Included | No |
| Internal Shift | 3 Rail Internal Shift Mechanism |
| Output Type | RWD |
| Shifter Included | No |
| Slave Cylinder | External Slave Cylinder |
| Switches Included | No |
| Transmission Family | NV3500 |
| Transmission Speeds | 5-Speed |
None listed.
None listed.
700R4 Automatic Transmission Assembly
| Average R&R | 4.2 |
|---|---|
| Bell Housing Included | Yes |
| Cooler Included | No |
| Cooler Replacement Required | No |
| Covers | 4 Bolt Sheet Metal |
| Extended Warranty | No |
| Fluid Type | PZL-LVMULTI |
| Lockup | Yes |
| Pan Bolts | 16 |
| Premium Labor | Yes |
| ProductVideoURL | https://etereman.wistia.com/medias/v5zwgifdi4 |
| Radiator Included | No |
| Radiator Replacement Required | No |
| Speedometer Type | Steel Reluctor |
| Tail Housing | Without |
| Torque Converter Included | Yes |
| Transmission Family | 700R4 |
| Transmission Fluid | 11 |
| Transmission Speeds | 4-Speed |
None listed.
None listed.
700R4 Automatic Transmission Assembly
| Average R&R | 5.8 |
|---|---|
| Bell Housing Included | Yes |
| Cooler Included | No |
| Cooler Replacement Required | No |
| Covers | 4 Bolt Sheet Metal |
| Extended Warranty | No |
| Fluid Type | PZL-LVMULTI |
| Lockup | Yes |
| Pan Bolts | 16 |
| Premium Labor | Yes |
| ProductVideoURL | https://etereman.wistia.com/medias/v5zwgifdi4 |
| Radiator Included | No |
| Radiator Replacement Required | No |
| Speedometer Type | Steel Reluctor |
| Tail Housing | Without |
| Torque Converter Included | Yes |
| Transmission Family | 700R4 |
| Transmission Fluid | 11 |
| Transmission Speeds | 4-Speed |
None listed.
None listed.
700R4 Automatic Transmission Assembly
| Average R&R | 5.8 |
|---|---|
| Bell Housing Included | Yes |
| Cooler Included | No |
| Cooler Replacement Required | No |
| Covers | 4 Bolt Sheet Metal |
| Extended Warranty | No |
| Fluid Type | PZL-LVMULTI |
| Lockup | Yes |
| Pan Bolts | 16 |
| Premium Labor | Yes |
| ProductVideoURL | https://etereman.wistia.com/medias/v5zwgifdi4 |
| Radiator Included | No |
| Radiator Replacement Required | No |
| Speedometer Type | Plastic Gear |
| Tail Housing | Without |
| Torque Converter Included | Yes |
| Transmission Family | 700R4 |
| Transmission Fluid | 11 |
| Transmission Speeds | 4-Speed |
None listed.
None listed.
4 variants are listed: M150011, T280702, T280705, T280712. 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: Average R&R, Fluid Type, Speedometer Type, Transmission Family, Transmission Speeds.
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.