6.6L Duramax Billet Coolant Block Off Plate (2001-2023) - FPE-DMAX-CBOP All improves fuel economy

improves fuel economy

Retains and normalizes internal turbine housing temperatures for lower spool times

Part Number: AP63803ADR3

In recent testing the Bladerunner intercooler produced a 200 degree temperature drop at the intercooler and a 100 degree EGT (Exhaust Gas Temperature) drop as well as increasing air flow by 74% over stock

6.6L Duramax Billet Coolant Block Off Plate (2001-2023) - FPE-DMAX-CBOP All improves fuel economyUpgrade your rear engine cover and stop the coolant leaks for good! Our blocking plate 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. APPLICATION NOTES Direct Replacement for GM P N: 97941204 Price includes applicable