2021932 | Genuine Paccar® EGR Control Valve AD-HF® The purpose of using a

The purpose of using a DEF tank in a truck is to reduce harmful exhaust emissions so the truck can:

Not enough fuel is reaching the engine due to pressure regulation failure

which protects bearings

whistle sounds

Relieve crankcase pressure

2021932 | Genuine Paccar® EGR Control Valve AD-HF® The purpose of using aDescription: An EGR Control Valve (Exhaust Gas Recirculation valve) 2021932 is an emissions component that controls the flow of exhaust gases back into the engines intake system. EGR Control Valve For Paccar Engine MX13, Kenworth and Peterbilt 2013 2017 Part Number: 2021932 Condition: New Manufacture Brand: Paccar Fits 2021932 For trucks equipped with the PACCAR MX 13 engine, such as: Kenworth heavy duty trucks with a 20132017 MX 13 engine Peterbilt