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5509448 Genuine Cummins Doser Fluid Supply Module

P/N: 5509448 Manufactured by: Cummins
Original price $1,380.00 - Original price $1,380.00
Original price
$1,380.00
$1,380.00 - $1,380.00
Current price $1,380.00
1 in Stock
Condition: New
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At Line Truck Parts LLC, we are committed to providing reliable automotive parts and a transparent customer experience. Eligible parts purchased directly from our website are covered by a 2-Year Limited Warranty, giving you added confidence in your purchase. Learn More

Product Overview

The 5509448 is a genuine Cummins doser fluid supply module specified for EPA21 15L ISX and QSX diesel engine applications, operating as part of the exhaust aftertreatment fluid delivery system. This module supports the supply of dosing fluid required by the emissions control equipment, providing a dedicated fluid delivery component within the engine's aftertreatment arrangement.

Product Features

The 5509448 Cummins doser fluid supply module is an aftertreatment system component intended for managing dosing fluid delivery in EPA21 15L ISX and QSX engine configurations.

  • Supplies dosing fluid to the designated exhaust aftertreatment delivery system
  • Supports fluid availability for the engine's emissions dosing equipment during operation
  • Functions within the specified EPA21 diesel emissions control system configuration
  • Serves as a dedicated supply component for the exhaust dosing circuit
  • Integrates with the fluid delivery arrangement used on compatible Cummins engines
  • Provides the required supply function for ISX and QSX 15L applications

General Specifications

Condition New
Part Number 5509448
Brand Cummins
Part Type Doser Fluid Supply Module
Engine Applications EPA21 15L ISX / QSX
System Exhaust Aftertreatment
Weight 9.80 lbs
Fitment Type Direct Replacement


Installation Notes

The 5509448 should be installed after identifying the correct fluid supply module location, inspecting the associated fluid connections, and confirming that the existing aftertreatment system arrangement corresponds to the specified Cummins application. Following installation, inspect the connected fluid circuit for leakage, verify proper system operation, and complete any applicable Cummins aftertreatment diagnostic or priming procedures required by the vehicle service instructions.

Always verify the original module part number, EPA21 engine specification, aftertreatment system configuration, and fluid connection arrangement before installation.