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4377650 Genuine Cummins SCR DEF Injection Doser

P/N: 4377650 Manufactured by: Cummins
Original price $745.00 - Original price $745.00
Original price
$745.00
$745.00 - $745.00
Current price $745.00
1 in Stock
Condition: New
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Description

The 4377650 is a Cummins Genuine SCR DEF injection doser designed for Cummins aftertreatment systems. It injects diesel exhaust fluid into the exhaust stream in controlled amounts to support proper NOx conversion within the SCR catalyst.

General Specifications

Condition New
Part Number 4377650
Brand Cummins
Part Type SCR DEF Injection Doser
Weight 4.2 lb


Product Features

The 4377650 SCR DEF injection doser is built to match factory performance and installation requirements:

β€’ Designed for integration with Cummins SCR aftertreatment systems
β€’ Provides accurate DEF metering based on ECM control signals
β€’ Interfaces directly with OEM exhaust emissions strategy
β€’ Manufactured to Cummins emission compliance standards
β€’ Ensures proper DEF atomization in the exhaust flow
β€’ Supports stable SCR catalyst performance under load

Application Notes

The 4377650 is intended for Cummins engines equipped with the corresponding OEM SCR aftertreatment configuration. Installation should include inspection of DEF supply lines and electrical connections to ensure proper system operation.

Always verify part number and engine serial number before installation.

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