Bosch 0 444 042 178 DEF Supply Module 12V W/O Check Valve blue Severson A80BL3557

Severson A80BL3557

This TP-3DC valve is used on Class 8 highway tractors with dual-circuit FMVSS-121 air-brake systems pulling trailers

Detroit Diesel: 23520380

RB (1989–2005)

Direct replacement for GM 25011106

Bosch 0 444 042 178 DEF Supply Module 12V W/O Check Valve blue Severson A80BL3557The Bosch 0 444 042 132 is a 12 volt DEF (Diesel Exhaust Fluid) supply module for the Bosch Denoxtronic 2. 2 SCR system used on Cummins ISX, ISB, and ISC engines. The module pumps and meters DEF from the tank to the dosing valve at the SCR catalyst inlet. This is the variant without an integrated check valve (Bosch supersedes 0 444 042 128 and 0 444 042 035). Replaces Cummins 4387304 4387304RX and Navistar 3838069C1. Specifications Manufacturer Bosch