4128910C1 TUBE , DEF LINE, EURO, 3MM ID,

Name: 4128910C1 TUBE , DEF LINE, EURO, 3MM ID,
Brand: Navistar International
SKU: 4128910C1
Price: 136.47 USD
Availability: InStock

Vendor: Navistar International

Product type: Exhaust

Condition: New

Warranty: 1 Year Manufacturer

$136.47 ~~$171.34~~

4128910C1 Product Overview The 4128910C1 is a DEF line tube used in heavy-duty truck emission systems to carry diesel exhaust fluid (DEF).... See more details

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4128910C1 Product Overview

The 4128910C1 is a DEF line tube used in heavy-duty truck emission systems to carry diesel exhaust fluid (DEF). This Euro-style tube is designed to support proper fluid flow within the exhaust aftertreatment system. It is commonly found in Navistar International trucks and is available as either a genuine OEM part or a high-quality aftermarket replacement.

4128910C1 Truck Part Specifications

Below are the key specifications of the 4128910C1.

Part Number: 4128910C1
Type: DEF Line Tube
OEM Description: Tube, DEF Line, Euro, 3mm ID, 3200 mm length
Inner Diameter: 3 mm
Length: 3200 mm
System: Exhaust / Emissions (DEF)
Condition: OEM / Aftermarket available
Weight: Approx. 0.4994 lb

Compatibility & Fitment

This part is designed for heavy-duty trucks, particularly Navistar International vehicles equipped with DEF systems. It supports diesel exhaust fluid (DEF) delivery and emission control functions. Always confirm the part number before purchasing to ensure proper fitment.

Key Features & Benefits of 4128910C1 DEF Tube

The 4128910C1 DEF line tube is built to maintain consistent DEF flow and support efficient emission system performance.

Durable construction for extended use: Built for harsh operating environments
Reliable performance under heavy-duty conditions: Supports consistent DEF flow
OEM-equivalent fit and function: Matches original specifications
Leak-resistant design: Helps maintain system efficiency
Easy installation and replacement: Direct-fit design
Designed for long service life: Minimizes downtime and maintenance

4128910C1 Cross Reference

This part may be listed under the following variations and formats:

Replaces: 4128910C1
Interchange numbers: 4128910C1 Navistar
Alternate formats: 4128910C1, 4128910-C1, 4128910 C1

Why Choose This 4128910C1 Part

The 4128910C1 is built to OEM-grade standards or offered as a reliable aftermarket alternative, supporting consistent DEF system performance. It is manufactured to precise specifications for proper fit and durability in heavy-duty applications. For mechanics and fleet operators, it provides a dependable replacement option where accuracy and longevity matter. Fast, secure ordering also helps keep maintenance efficient and downtime to a minimum.

Navistar International Corporation is an American holding company. Created in 1986 as the successor to International Harvester, Navistar operates as the owner of International brand of trucks and diesel engines^[2]; the company also produces military vehicles through its Navistar Defense subsidiary along with bus production through IC Bus. Currently, Traton SE (formerly Volkswagen Truck and Bus) is the largest stakeholder of Navistar, owning 17% of the company.^[3]

Headquartered in Lisle, Illinois, the company has 13,000 employees worldwide (as of 2019).^[3] Navistar operates through a network of nearly 1,000 dealer outlets in the United States, Canada, Brazil, and Mexico and more than 60 dealers in 90 countries throughout the world.^[3] The company also provides financing for its customers and distributors principally through its wholly owned subsidiary, Navistar Financial Corporation.