1999 Buick Riviera Transmission — Variants, Fitment & Tag Check

One transmission variant is listed for the 1999 Buick Riviera. Attributes, interchange numbers, and fitment notes.

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

Variant T280417

4T65E Automatic Transmission Assembly

Illustrative photo of T280417 Illustrative photo of T280417
Illustrative images — not the exact unit listed
Average R&R7.2
Bell Housing IncludedYes
Connector Type19 Pins
Cooler IncludedNo
Cooler Replacement RequiredNo
CoversAluminum 6 Bolt Mount
Extended WarrantyNo
Fluid TypePZL-LVMULTI
LockupYes
Pan Bolts20
Passenger Side Axle Mount4 Bolt with Ribs
Premium LaborYes
ProductVideoURLhttps://etereman.wistia.com/medias/sp99n65idh
Radiator IncludedNo
Radiator Replacement RequiredNo
Starter4 O'clock Starter Pocket
Tail HousingWith
Torque Converter IncludedYes
Transmission Family4T65E
Transmission Fluid13
Transmission Speeds4-Speed

Interchange numbers (vendor)

OEM cross-references

None listed.

Hollander numbers

Frequently asked questions

What transmission fits a 1999 Buick Riviera?

One variant is listed: T280417 (4T65E Automatic Transmission Assembly).

How do I know which variant fits my 1999 Buick Riviera?

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.