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Bosch DEF Supply Dosing Module for SCR System

Bosch DEF Supply Dosing Module for SCR System

Part number
38-DCB-42132B
Price range
$875.00
Last checked
Oct 28, 2026

Spec sheet

Collected from 1 supplier page - confirm fit with the supplier before ordering.

4387304 Bosch DEF Supply Dosing Module for SCR System designed for SCR-equipped diesel engines. This module delivers precise amounts of DEF into the exhaust stream—helping reduce emissions and keep your engine running at full performance.

Suppliers (1)

  • Midwest Bus Parts
    Bosch DEF Supply Dosing Module for SCR System · In stock
    Checked Oct 28, 2026
    $875.00
    View at supplier

Specifications and fitment

Part #
4387304
Applications
Cummins ISB / ISC / ISL engines, School buses + medium/heavy-duty trucks, EPA13 SCR systems
Cross Reference Part Numbers
10011050, 4387304, 3838069C1, 3838069C2, 0444042132, 0444042178, A052B661, 2871879, 10045629, F00E200534, 820.DP90657, BOS91555

Features

  • Genuine Bosch OEM Design – Trusted emissions component
  • Direct replacement fit
  • Precise DEF Injection – Ensures proper SCR function
  • Plug-and-Play Installation
  • Built for Harsh Environments – Resistant to heat + crystallization

Fits

  • Cummins ISB / ISC / ISL engines
  • School buses + medium/heavy-duty trucks
  • EPA13 SCR systems

Price history

DateSupplierPriceStock
Oct 28, 2026Midwest Bus Parts$875.00In stock