6.6L Duramax Billet Coolant Block Off Plate (2001-2025) Apparel S372 SXE Billet 500-750 horsepower

S372 SXE Billet 500-750 horsepower (Hot street/ racing)

the X-TRA Cool Radiators integrated mounting points have been strengthened for durability

For 05-07 Ford Powerstroke 6

do not have a transmission fluid heat exchanger

6.6L Duramax Billet Coolant Block Off Plate (2001-2025) Apparel S372 SXE Billet 500-750 horsepowerUpgrade your rear engine cover and stop the coolant leaks for good! The fleece performance 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. Direct Replacement for GM P N: 97941204 and 12698239