11-16 Duramax Merchant Automotive Allison Maximum Transmissions Cooling Note Surface rust not eligible

Note Surface rust not eligible

There are 4 tabs around the housing that fit into spots in the rear housing to position the pump

The 10th character indicates the model year

Includes CCV reroute kit

Insert spent 9mm casings (not included) for custom revolver look

11-16 Duramax Merchant Automotive Allison Maximum Transmissions Cooling Note Surface rust not eligibleDescription ALLISON TRANSMISSION OVERVIEW The 5 speed and 6 speed Allison automatic transmissions backing the Duramax diesel engines in GM 2500HD and 3500 pickups is a smooth shifting transmission that works very well in stock applications. But the factory Allison transmissions tend to have issues coping with heavy towing and hauling or even mild performance upgrades not to mention serious struggles with high performance modifications. As the go to