4 transmission variants are listed for the 1991 GMC C3500. 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.
4L80E Automatic Transmission Assembly
| Average R&R | 6.0 |
|---|---|
| Bell Housing | No Bolt Hole at the 12 O'clock Position |
| Bell Housing Included | Yes |
| Conversion Harness Adapter Incuded | Yes |
| Cooler Included | No |
| Cooler Lines | 2 Inch Apart |
| Cooler Replacement Required | No |
| Extended Warranty | No |
| Fluid Type | PZL-LVMULTI |
| Lockup | Yes |
| Neutral Safety Switch | No Bosses on Driver Side |
| Output Type | Slip on Yoke |
| Pan Bolts | 17 |
| Premium Labor | Yes |
| ProductVideoURL | https://etereman.wistia.com/medias/f44yzn8cjx |
| Radiator Included | No |
| Radiator Replacement Required | No |
| Shift Type | 3/4 Inch Manual Shift Shaft Size |
| Tail Housing | With |
| Torque Converter Included | Yes |
| Transmission Family | 4L80E |
| Transmission Fluid | 13 |
| Transmission Speeds | 4-Speed |
None listed.
4L80E Automatic Transmission Assembly
| Average R&R | 6.0 |
|---|---|
| Bell Housing | No Bolt Hole at the 12 O'clock Position |
| Bell Housing Included | Yes |
| Conversion Harness Adapter Incuded | Yes |
| Cooler Included | No |
| Cooler Lines | 2 Inch Apart |
| Cooler Replacement Required | No |
| Extended Warranty | No |
| Fluid Type | PZL-LVMULTI |
| Lockup | Yes |
| Neutral Safety Switch | No Bosses on Driver Side |
| Output Type | Bolt on Yoke |
| Pan Bolts | 17 |
| Premium Labor | Yes |
| ProductVideoURL | https://etereman.wistia.com/medias/f44yzn8cjx |
| Radiator Included | No |
| Radiator Replacement Required | No |
| Shift Type | 3/4 Inch Manual Shift Shaft Size |
| Tail Housing | With |
| Torque Converter Included | Yes |
| Transmission Family | 4L80E |
| Transmission Fluid | 13 |
| Transmission Speeds | 4-Speed |
None listed.
4L80E Automatic Transmission Assembly
| Average R&R | 6.3 |
|---|---|
| Bell Housing | No Bolt Hole at the 12 O'clock Position |
| Bell Housing Included | Yes |
| Conversion Harness Adapter Incuded | Yes |
| Cooler Included | No |
| Cooler Lines | 2 Inch Apart |
| Cooler Replacement Required | No |
| Extended Warranty | No |
| Fluid Type | PZL-LVMULTI |
| Lockup | Yes |
| Neutral Safety Switch | No Bosses on Driver Side |
| Output Type | Slip on Yoke |
| Pan Bolts | 17 |
| Premium Labor | Yes |
| ProductVideoURL | https://etereman.wistia.com/medias/f44yzn8cjx |
| Radiator Included | No |
| Radiator Replacement Required | No |
| Shift Type | 3/4 Inch Manual Shift Shaft Size |
| Tail Housing | With |
| Torque Converter Included | Yes |
| Transmission Family | 4L80E |
| Transmission Fluid | 13 |
| Transmission Speeds | 4-Speed |
None listed.
4L80E Automatic Transmission Assembly
| Average R&R | 6.0 |
|---|---|
| Bell Housing | No Bolt Hole at the 12 O'clock Position |
| Bell Housing Included | Yes |
| Conversion Harness Adapter Incuded | Yes |
| Cooler Included | No |
| Cooler Lines | 2 Inch Apart |
| Cooler Replacement Required | No |
| Extended Warranty | No |
| Fluid Type | PZL-LVMULTI |
| Lockup | Yes |
| Neutral Safety Switch | No Bosses on Driver Side |
| Output Type | Bolt on Yoke |
| Pan Bolts | 17 |
| Premium Labor | Yes |
| ProductVideoURL | https://etereman.wistia.com/medias/f44yzn8cjx |
| Radiator Included | No |
| Radiator Replacement Required | No |
| Shift Type | 3/4 Inch Manual Shift Shaft Size |
| Tail Housing | With |
| Torque Converter Included | Yes |
| Transmission Family | 4L80E |
| Transmission Fluid | 13 |
| Transmission Speeds | 4-Speed |
None listed.
4 variants are listed: T281101, T281102, T281106, T281107. 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, Output Type.
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.