Fleece Performance 11-16 GM 2500/3500 LML Duramax Return Fuel Pressure Test Port 2008-chevrolet-hhr-esi9846181 Stainless Steel Flange

Stainless Steel Flange

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Year Make Model Submodel 1952-1958 Chevrolet Truck Base 1966

Fleece Performance 11-16 GM 2500/3500 LML Duramax Return Fuel Pressure Test Port 2008-chevrolet-hhr-esi9846181 Stainless Steel FlangeThe return fuel pressure test port for the 2011 2016 LML Duramax is designed to aid the technician in troubleshooting return fuel pressure, often necessary when diagnosing CP4 pump failures. When installed in the return fuel system, it allows for a pressure gauge to be connected to the return fuel side to monitor pressure. Installation Instructions Warranty This Part Fits: Year Make Model Submodel 2015 2016 Chevrolet Silverado 2500 HD High Country