Description
The 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 |
|---|---|
| Part Number | 0 444 042 132 (0444042132) |
| Part Type | DEF / Urea Supply Module (Denoxtronic 2.2) |
| Voltage | 12 V |
| Check Valve | No (without integrated check valve) |
| Engine Compatibility | Cummins ISX, ISB, ISC (EPA10 / EPA13 SCR) |
| Weight | ~5.0 lb |
Cross References
This DEF supply module replaces or is equivalent to the following part numbers:
- Bosch: 0 444 042 128, 0 444 042 132, 0 444 042 035
- Bosch (alt): 0 986 44D 203, 0 986 44D 205, F 00E 200 534
- Cummins: 4387304, 4387304RX, 2871879
- Navistar / International: 3838069C1, 3838069C2, 2050811, 2050811PRX
- Also known as: A052B661
Applications
This 12 V DEF supply module fits the SCR aftertreatment on:
- Cummins ISX12 / ISX15 (EPA10 and EPA13, model years 2010–2016)
- Cummins ISB / ISB6.7 (medium-duty truck and Dodge Ram 6.7L pickups)
- Cummins ISC / ISL (EPA10 and EPA13 medium-duty)
Commonly found on Class 8 tractors (Peterbilt 386 / 579, Kenworth T660 / T680 / T880, International ProStar / LT, Freightliner Cascadia, Western Star) and medium-duty trucks running Cummins ISB / ISC EPA10–EPA13 with the Bosch Denoxtronic 2.2 system.
Two 12 V variants of this module exist — 0 444 042 132 (without check valve) and 0 444 042 134 (with check valve). Confirm your existing module’s check-valve configuration before ordering. For 24 V applications use the corresponding 24 V part number.
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