Description
Have you developed a leak around your pressure relief valve block off located on the fuel rail? If so, more than likely, the o-ring has failed and in need of replacement. This is a direct replacement Viton O-RIng to reseal your PRV block off with an easy fix.
Vehicle Fitment
2004.5-2010 6.6L GM Duramax LLY/LBZ/LMM|2007.5-2018 Dodge 6.7L Cummins
