1991 GMC R3500 Transmission — Variants, Fitment & Tag Check

One transmission variant is listed for the 1991 GMC R3500. Attributes, interchange numbers, and fitment notes.

Only one variant is listed for this vehicle and part, so there is nothing to choose between.

Variant T281107

4L80E Automatic Transmission Assembly

Illustrative photo of T281107 Illustrative photo of T281107 Illustrative photo of T281107 Illustrative photo of T281107
Illustrative images — not the exact unit listed
Average R&R6.0
Bell HousingNo Bolt Hole at the 12 O'clock Position
Bell Housing IncludedYes
Conversion Harness Adapter IncudedYes
Cooler IncludedNo
Cooler Lines2 Inch Apart
Cooler Replacement RequiredNo
Extended WarrantyNo
Fluid TypePZL-LVMULTI
LockupYes
Neutral Safety SwitchNo Bosses on Driver Side
Output TypeBolt on Yoke
Pan Bolts17
Premium LaborYes
ProductVideoURLhttps://etereman.wistia.com/medias/f44yzn8cjx
Radiator IncludedNo
Radiator Replacement RequiredNo
Shift Type3/4 Inch Manual Shift Shaft Size
Tail HousingWith
Torque Converter IncludedYes
Transmission Family4L80E
Transmission Fluid13
Transmission Speeds4-Speed

Interchange numbers (vendor)

OEM cross-references

None listed.

Hollander numbers

Frequently asked questions

What transmission fits a 1991 GMC R3500?

One variant is listed: T281107 (4L80E Automatic Transmission Assembly).

How do I know which variant fits my 1991 GMC R3500?

Only one variant is listed for this vehicle and part.

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.