Bosch 0 444 042 178 DEF Supply Module 12V W/O Check Valve 4 Post Battery Cable Air leak at the service

Air leak at the service or spring port

Cat wheel loaders

MX-13 (2017+)

This bearing set replaces or is equivalent to the following part numbers:

Bosch 0 444 042 178 DEF Supply Module 12V W/O Check Valve 4 Post Battery Cable Air leak at the serviceThe 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