2001-2017 GM 6.6L Duramax 2500HD / 3500HD Fleece Billet Coolant Block Off Plate Feautres: - Billet coolant block off plate with an integral O-ring
- Thicker than the stock plate
- Integral square cut O-ring with no gasket required
The 2001-2017 GM 6.6L Duramax 2500HD / 3500HD Fleece Billet Coolant Block Off Plate Prevents Leakage
Take care of all the important components of your engine by replacing your coolant block off plate with the 2001-2017 GM 6.6L Duramax 2500HD / 3500HD Fleece Billet Coolant Block Off Plate. This block off plate is much thicker than your stock unit, which makes it much less prone to leakage as you put the miles on your truck. Each block off plate comes with a square-cut O-ring that further reinforces the seal that prevents leakage. There are no additional gaskets that are required to create this seal and complete the installation process.
Fitment: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 GM 6.6L Duramax 2500HD / 3500HD