UnderDog Diesel Billet Coolant Block-Off Plate - 2001-2024 GM 6.6L Duramax

Billet Coolant Block-Off Plate - 2001-2024 GM 6.6L Duramax from UnderDog Diesel. Available configurations and required selections are shown in the product options.

Professional installation is recommended. Supporting modifications or calibration may be required for some performance applications. Confirm vehicle fitment before ordering.