* Internal components: Gear ratios, valve body calibrations, and even the torque converter can differ significantly between different applications of the 4T60E.
* Input/Output shafts: The length and spline count of these shafts can vary, affecting compatibility.
* Case design: While the overall design is similar, minor case variations might exist.
* Control systems: The electronic control systems (wiring harnesses and connectors) can be different, requiring adaptation or replacement.
Therefore, while a 4T60E *might* fit physically in another vehicle that originally had a 4T60E, it's not guaranteed to work correctly. You absolutely *must* verify compatibility based on the specific year, make, and model of both the donor and recipient vehicles. Even then, you may need to address issues with the control system or other components.
Simply put: using a 4T60E from one car in another requires careful investigation and potentially significant modification. A transmission specialist should be consulted before attempting such a swap.
