Transmission Oil Cooler 01-05 GM 6.6L Duramax X-TRA Cool XD309 XDP Fuel Injectors We would recommend a regulated

We would recommend a regulated fuel return along with a fuel pump upgrade

Each radiator comes ready to install and is backed with the XDP 1-year

**Powder coat options have a 1-2 week lead time

6-Groove Pulley

4L intake manifold on the market

Transmission Oil Cooler 01-05 GM 6.6L Duramax X-TRA Cool XD309 XDP Fuel Injectors We would recommend a regulatedThe XDP X TRA Cool Direct Fit Transmission Oil Cooler XD309 is a direct upgrade for the factory transmission oil cooler in your 2001 2005 GM 6. 6L Duramax LB7 LLY. XDPs XTRA Cool Transmission Oil Coolers are made using techniques borrowed from the HD and semi truck industry to provide you with the ultimate in strength and durability. Built for more than just increased strength, the XD309 Features a high efficiency core that is specially designed to