3681902 | Yumak® Single Cylinder Air Compressor For Cummins Engines Pulley or SCR Doser) 2AT002 is

or SCR Doser) 2AT002 is a component in modern diesel vehicles that sprays DEF (Diesel Exhaust Fluid) into the exhaust system to reduce emissions

Pump running constantly

Often the first and most common sign of pump failure

SPN 639 FMI 2 – Loss of Communication

This happens when the hydraulic pressure isn’t being properly boosted or balanced during braking

3681902 | Yumak® Single Cylinder Air Compressor For Cummins Engines Pulley or SCR Doser) 2AT002 isDescription: A single cylinder compressor 3681902 is an air compressor that uses one piston and one cylinder to compress air. It is a simple, compact, and efficient design commonly used in light to medium duty applications. Single Cylinder Air Compressor For Cummins Engines ISX, L, M, N, ISC, B, QSX15, ISX Part Number: 3681902 Condition: New Manufacture Brand: Yumak Specifications 3681902 Cylinder Diameter 85 mm Volume 318 cm Piston Operating Distance