Coolant Block-Off Plate Billet Aluminum

2001-2025 6.6L Duramax

Features:

• CNC machined billet aluminum
• Leakage-free O-ring face seal design
• Viton O-ring included

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 made from Viton for maximum longevity. The PPE Billet Block-Off Plate installs using the OEM fasteners.