2006 Cadillac STS Transmission — Variants, Fitment & Tag Check

4 transmission variants are listed for the 2006 Cadillac STS. 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 T281316

5L40E Automatic Transmission Assembly

Illustrative photo of T281316
Illustrative images — not the exact unit listed

In our own completed orders for this vehicle and part, T281316 appeared in 1 of 2 orders (50%).

Average R&R11.1
Bell Housing IncludedYes
Cooler IncludedNo
Cooler Replacement RequiredNo
Extended WarrantyNo
Fluid TypePZL-LVMULTI
LockupYes
Pan Bolts20
Premium LaborYes
ProductVideoURLhttps://etereman.wistia.com/medias/v5zwgifdi4
Radiator IncludedNo
Radiator Replacement RequiredNo
Shift TypeShift Lever Passenger Side
Starter3 O'clock Starter Pocket
Tail HousingWith
Torque Converter IncludedYes
Transmission Family5L40E
Transmission Fluid12
Transmission Speeds5-Speed
Vent TubeShort and Straight with Cap

Interchange numbers (vendor)

OEM cross-references

None listed.

Hollander numbers

Variant T281318

5L40E Automatic Transmission Assembly

Illustrative photo of T281318
Illustrative images — not the exact unit listed
Average R&R10.7
Bell Housing IncludedYes
Cooler IncludedNo
Cooler Replacement RequiredNo
Extended WarrantyNo
Fluid TypePZL-LVMULTI
LockupYes
Pan Bolts20
Premium LaborYes
ProductVideoURLhttps://etereman.wistia.com/medias/v5zwgifdi4
Radiator IncludedNo
Radiator Replacement RequiredNo
Shift TypeShift Lever Driver Side
Starter3 O'clock Starter Pocket
Tail HousingWith
Torque Converter IncludedYes
Transmission Family5L40E
Transmission Fluid13
Transmission Speeds5-Speed

Interchange numbers (vendor)

OEM cross-references

None listed.

Hollander numbers

Variant T281351

5L50E Automatic Transmission Assembly

Illustrative photo of T281351
Illustrative images — not the exact unit listed
Average R&R6.0
Bell Housing IncludedYes
Cooler IncludedNo
Cooler Replacement RequiredNo
Extended WarrantyNo
Fluid TypePZL-LVMULTI
LockupYes
Pan Bolts20
Premium LaborYes
ProductVideoURLhttps://etereman.wistia.com/medias/v5zwgifdi4
Radiator IncludedNo
Radiator Replacement RequiredNo
Shift TypeShift Lever Passenger Side
Tail HousingWith
Torque Converter IncludedYes
Transmission Family5L50E
Transmission Fluid9
Transmission Speeds5-Speed

Interchange numbers (vendor)

OEM cross-references

None listed.

Hollander numbers

Variant T281352

5L50E Automatic Transmission Assembly

Illustrative photo of T281352
Illustrative images — not the exact unit listed
Average R&R8.5
Bell Housing IncludedYes
Cooler IncludedNo
Cooler Replacement RequiredNo
Extended WarrantyNo
Fluid TypePZL-LVMULTI
LockupYes
Pan Bolts20
Premium LaborYes
ProductVideoURLhttps://etereman.wistia.com/medias/v5zwgifdi4
Radiator IncludedNo
Radiator Replacement RequiredNo
Shift TypeShift Lever Driver Side
Starter12 O'clock Position
Tail HousingWith
Torque Converter IncludedYes
Transmission Family5L50E
Transmission Fluid9
Transmission Speeds5-Speed

Interchange numbers (vendor)

OEM cross-references

None listed.

Hollander numbers

Frequently asked questions

What transmission fits a 2006 Cadillac STS?

4 variants are listed: T281316, T281318, T281351, T281352. Which one fits depends on the tag on your unit.

How do I know which variant fits my 2006 Cadillac STS?

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 2006 Cadillac STS?

The attributes that differ between variants are: Average R&R, Shift Type, Starter, Transmission Family, Transmission Fluid.

Which variant shows up most in your own orders for a 2006 Cadillac STS?

T281316 appeared in 1 of 2 completed orders (50%).

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.