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4387304RX Genuine Cummins DEF Pump For Diesel Emissions System

P/N: 4387304RX Manufactured by: Cummins
Original price $650.00 - Original price $650.00
Original price
$650.00
$650.00 - $650.00
Current price $650.00
4 in Stock
Condition: New
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Description

The 4387304RX DEF pump is a genuine Cummins diesel exhaust fluid delivery component designed for SCR-equipped engines. It supplies DEF at the calibrated pressure and flow required for proper aftertreatment performance.

General Specifications

Condition New
Part Number 4387304RX
Brand Cummins
Part Type DEF Pump
Weight 7.8 lb
Dimensions 10.2 x 9.11 x 6.15 in


Product Features

The 4387304RX DEF pump is built to match factory performance and installation requirements:

  • Provides controlled DEF delivery to the SCR system
  • Maintains specified operating pressure and flow rate
  • Supports proper selective catalytic reduction function
  • Designed for Cummins diesel emissions systems
  • Manufactured to OEM engineering tolerances
  • Ensures steady DEF circulation during engine operation

Application Notes

The 4387304RX DEF pump is intended for engines equipped with the factory Cummins SCR aftertreatment setup. Proper priming and system verification are required after installation to confirm correct DEF operation.

Always verify part number, engine model, and emissions system configuration before installation.

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