01-17 Duramax Fleece Coolant Block Off Plate Fuel Fast guide to Smarty's software

Fast guide to Smarty's software levels

Why Install Traction Bars on a Duramax

For use only on OEM center link in OEM position

Enhances flow through the manifold to reduce pressure drop due to flow restrictions

Shift On-The-Fly Power Level Adjustments (Select Powerstroke Applications)*

01-17 Duramax Fleece Coolant Block Off Plate Fuel Fast guide to Smarty's softwareUpgrade your rear engine cover and stop the coolant leaks for good! Fleece's blocking plate for 2001 2017 GM Duramax diesels is thicker than the stock plate and has an integral square cut O ring with no gasket required. OE covers are prone to leakage over time, our billet coolant block off plate with an integral O ring is an upgrade for your rear engine cover and will the stop the coolant leaks for good. Direct Replacement for GM P N: 97941204 Fleece