Bosch Pressure Relief Valve (PRV) 01-04 GM 6.6L Duramax LB7 WSF-WS8-2-KA-CER-BLA Please choose whether your truck

Please choose whether your truck has the factory speaker in the A-Pillar or not from the drop down menu below:

MagnaFlow performance diesel exhaust comes with a lifetime warranty

Featuring injection molded MAF(Mass Air Flow) plate and IAT (Intake Air Temp) sensor port that insures a true o-ring seal to the sensor

they deliver increased flow and efficiency that are demanded in the Diesel environment

the injection pump

Bosch Pressure Relief Valve (PRV) 01-04 GM 6.6L Duramax LB7 WSF-WS8-2-KA-CER-BLA Please choose whether your truckIs your LB7 Duramax getting hard to start or feeling like it doesn't have the power it used to? Its likely that the pressure relief valve located on your Function Block needs to be replaced. This Pressure Relief Valve (PRV) is responsible for controlling high pressure fuel and bleeding off excessive pressure back into the fuel system when warranted. Because the valve is just a simple spring, it can wear out, causing pressure to be relieved too early,