5578983NX Genuine Cummins SCR DEF Injection Doser

Name: 5578983NX Genuine Cummins SCR DEF Injection Doser
Brand: Cummins
Price: 745.00 USD
Availability: InStock

P/N: 5578983NX Manufactured by: Cummins

$745.00 - $745.00

$745.00

$745.00 - $745.00

$745.00

1 in Stock

Condition: New

We accept:

Need help choosing the right part?Contact our support team

+1 828-705-1030

Monday – Saturday | 8:00 AM – 8:00 PM (EST)

2-3 Day Free Shipping

Return within 30-Days

Packed Ready to Ship

24/7 Expert Support

2-Year Warranty

Unit Auto Parts LLC provides a complimentary 2-Year Warranty on all automotive parts. Shop with confidence knowing your purchase is protected. Learn More

Description

The 5578983NX is a Cummins Genuine SCR DEF injection doser engineered for Cummins aftertreatment systems. It injects diesel exhaust fluid into the exhaust stream in controlled amounts to support effective NOx reduction and proper SCR catalyst operation.

General Specifications

Condition	New
Part Number	5578983NX
Brand	Cummins
Part Type	SCR DEF Injection Doser
Weight	4.2 lb

Product Features

The 5578983NX SCR DEF injection doser is built to match factory performance and installation requirements:

• Designed for Cummins SCR aftertreatment configuration
• Provides accurate DEF delivery based on ECM control strategy
• Integrates directly with OEM exhaust emissions systems
• Manufactured to Cummins emissions and durability standards
• Ensures correct DEF spray pattern within exhaust flow
• Supports consistent SCR catalyst efficiency under load

Application Notes

The 5578983NX is intended for Cummins engines equipped with the corresponding OEM SCR aftertreatment setup. Installation should include inspection of DEF lines, mounting hardware, and electrical connections to ensure proper system operation.

Always verify part number and engine serial number before installation.