DEEP PAN Allison Internal Transmission Filter For 2001-2019 Duramax

The DEEP Allison filter is an OE replacement for your Allison transmission with the upgraded deep pan and aftermarket deep pans as well. It will fit all 2001-2019 Duramax trucks. 

This filter is not for the standard sized pan that came from the factory! If you need that internal filter, we sell it right HERE