
2001-2020 GM 6.6L Duramax Coolant Block-Off Plate - Billet Aluminum - Black
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.
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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.









