PPE Power Coolant Block-Off Plate Billet Aluminum - GM 6.6L Duramax 2001-2026 - Black 119000820

Fits: 2001-2026 GM 6.6L Duramax

The OEM block off plate uses a gasket and can leak over time. The PPE billet block off plate is thicker and uses an O-ring seal. The O-ring is made from Viton more maximum longevity. The PPE billet block off plate installs using the OEM fasteners.