1999 Buick Park Avenue Transmission — Variants, Fitment & Tag Check

2 transmission variants are listed for the 1999 Buick Park Avenue. 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.

What tells the variants apart

The attributes below differ between variants. Find the matching value on your unit's tag or in your vehicle's records.

Variant T280411

4T65E Automatic Transmission Assembly

Illustrative photo of T280411 Illustrative photo of T280411 Illustrative photo of T280411 Illustrative photo of T280411
Illustrative images — not the exact unit listed
Average R&R7.2
Bell Housing IncludedYes
Connector TypeSide Pan
Cooler IncludedNo
Cooler Replacement RequiredNo
CoversAluminum 6 Bolt Mount
Extended WarrantyNo
Fluid TypePZL-LVMULTI
LockupYes
Pan Bolts20
Premium LaborYes
ProductVideoURLhttps://etereman.wistia.com/medias/sp99n65idh
Radiator IncludedNo
Radiator Replacement RequiredNo
Tail HousingWith
Torque Converter IncludedYes
Transmission Family4T65E
Transmission Fluid13
Transmission Speeds4-Speed

Interchange numbers (vendor)

OEM cross-references

None listed.

Hollander numbers

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 Park Avenue?

2 variants are listed: T280411, T280417. Which one fits depends on the tag on your unit.

How do I know which variant fits my 1999 Buick Park Avenue?

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.

What tells the transmission variants apart for a 1999 Buick Park Avenue?

The attributes that differ between variants are: Connector 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.