Description
Upgrade your rear engine cover and stop the coolant leaks for good!
Our blocking plate is thicker than the stock plate and has an integral square cut O-ring with no gasket required. OE covers are prone to leakage over time, our billet coolant block off plate with an integral O-ring is an upgrade for your rear engine cover and will the stop the coolant leaks for good.
- 2001 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
- 2002 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
- 2003 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
- 2004 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
- 2004.5 GM Silverado/Sierra 2500/3500 6.6L LLY Duramax
- 2005 GM Silverado/Sierra 2500/3500 6.6L LLY Duramax
- 2006 GM Silverado/Sierra 2500/3500 6.6L LLY/LBZ Duramax
- 2007 GM Silverado/Sierra 2500/3500 6.6L LLY/LBZ Duramax (classic body style)
- 2007.5 GM Silverado/Sierra 2500/3500 6.6L LMM Duramax (new body style)
- 2008 GM Silverado/Sierra 2500/3500 6.6L LMM Duramax
- 2009 GM Silverado/Sierra 2500/3500 6.6L LMM Duramax
- 2010 GM Silverado/Sierra 2500/3500 6.6L LMM Duramax
- 2011 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
- 2012 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
- 2013 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
- 2014 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
- 2015 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
- 2016 GM Silverado/Sierra 2500/3500 6.6L LML Duramax
- 2017 GM Silverado/Sierra 2500/3500 6.6L L5P Duramax
- 2018 GM Silverado/Sierra 2500/3500 6.6L L5P Duramax
- 2019 GM Silverado/Sierra 2500/3500 6.6L L5P Duramax
- 2020 GM Silverado/Sierra 2500/3500 6.6L L5P Duramax
- 2021 GM Silverado/Sierra 2500/3500 6.6L L5P Duramax
- 2022 GM Silverado/Sierra 2500/3500 6.6L L5P Duramax
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