2012 GMC Sierra 2500 HD Transmission Internals

Looking for aftermarket parts to modify or upgrade your 2012 GMC Sierra 2500 HD with transmission internals? At Tunersports.com we carry a huge selection of the top name brand performance transmission internal parts and accessories.

Transmission Internal Parts:

BD Diesel Trans Components

SHIPS FROM MANUFACTURER 1031315 Allison transmissions utilize variable line pressure that adjusts to different engine load to improve fuel economy. The problem with this is that it drops line pressure after a shift, causing clutch slippage and failure in higher powered trucks. The BD pressure controller module boosts line pressure... BD Diesel Allison Pressure Controller - 2011-2016 Chevy Duramax 6.6L 2011-2014 GMC Sierra 2500 HD WT 2011-2016 GMC Sierra 2500 HD Denali / SLE / SLT $329.95 Details