5506855NX Genuine Cummins SCR DEF Injection Doser

Name: 5506855NX Genuine Cummins SCR DEF Injection Doser
Brand: Cummins
Price: 745.00 USD
Availability: InStock

P/N: 5506855NX 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 5506855NX is a Cummins Genuine SCR DEF injection doser engineered for Cummins aftertreatment systems. It meters diesel exhaust fluid into the exhaust stream with controlled precision to support proper NOx reduction and emissions compliance.

General Specifications

Condition	New
Part Number	5506855NX
Brand	Cummins
Part Type	SCR DEF Injection Doser
Weight	4.2 lb

Product Features

The 5506855NX SCR DEF injection doser is built to match factory performance and installation requirements:

• Engineered for Cummins SCR aftertreatment configurations
• Delivers precise DEF dosing based on ECM command signals
• Integrates directly with OEM exhaust emissions control strategy
• Manufactured to Cummins durability and emissions standards
• Promotes proper DEF atomization within the exhaust stream
• Supports consistent SCR catalyst efficiency under load

Application Notes

The 5506855NX is intended for Cummins engines equipped with the corresponding OEM SCR aftertreatment setup. Installation should include inspection of DEF supply lines, electrical connectors, and mounting surfaces to ensure proper operation.

Always verify part number and engine serial number before installation.