VW Transporter T6.1 Fuel Pipe High Pressure Hose Line SET 2.0 TDI 04L130321F

VW Transporter T6.1 High-Pressure Fuel Line 2.0 TDI is an original part from the Lines, Hoses, and Tubes group, designed for precise fuel supply to the injection system of a diesel engine. It ensures stable high-pressure fuel delivery, which translates to smooth engine operation and proper compatibility with the factory pump and injectors.

Specifications and technical data

• SKU: 04L130321F-1
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 04L130321F
• Substitutable numbers: 04L130321F, 04L 130 321 F, 05L 130 301, 05L130301, 05L 130 302 A, 05L130302A, 05L 130 303, 05L130303, 05L 130 304, 05L130304
• Part type: Hose
• Category: Hoses, Lines & Pipes

Purpose and Function in the Fuel System

The high-pressure fuel line in a 2.0 TDI engine is responsible for the safe and leak-free delivery of fuel from the common rail to the appropriate injection system component. The design of this type of line is engineered for:

• resistance to the very high operating pressures typical of modern diesels,
• dimensional stability under engine operating temperature changes,
• precise fit to the geometry of the VW Transporter T6.1 engine.

This ensures the correct injection characteristics are maintained, allowing the engine control unit to sustain set operating parameters without undesirable pressure drops or leaks.

Construction and Fit for VW Transporter T6.1

The offered line belongs to the group of OEM elements from the Volkswagen brand, meaning its geometry, connection diameters, and mounting method comply with factory technical documentation. This facilitates installation in the engine bay without modifications and allows for maintaining the original routing of the line relative to other components.

The part has been specifically designed for the 2.0 TDI units used in the VW Transporter T6.1, minimizing the risk of improper fit, installation stress, or interference with engine accessories. Such a precise fit contributes to maintaining the fuel system's integrity over the long term.

Benefits of Using an Original High-Pressure Line

Using a high-pressure line from the same design group as the factory part allows for maintaining the fuel system operating parameters as intended by the vehicle manufacturer. Key benefits include:

• stable pressure in the common rail, promoting smooth engine operation and correct fuel dosage across the entire RPM range,
• maintaining the factory routing of the line, reducing the risk of chafing and mechanical damage,
• easier diagnostics and servicing, as the system remains consistent with Volkswagen's service documentation.

When replacing a line in a used vehicle, this is important for both the durability of the engine and operational safety, especially during prolonged driving under load.

Condition, Verification, and Service Application

The item is offered as a used high-pressure fuel line, providing a cost-effective service solution when a damaged section of the system needs replacement while keeping repair costs reasonable. This type of part can be used for standard replacement of a worn-out line as well as for repairs following work on the injection system, such as after replacing injectors or the pump.

Selecting a line compatible with the 2.0 TDI unit in the VW Transporter T6.1 helps reduce vehicle downtime in the workshop and facilitates maintaining the integrity of the entire fuel system, which is particularly important for commercial vehicles operating in intensive service cycles.

System Expansion – Other Volkswagen Lines, Hoses, and Tubes

If you are planning a comprehensive repair or upgrade of the engine area in your Volkswagen and need other parts from the same group, such as return lines, flexible fuel hoses, or rigid supply tubes, check the available parts in the Volkswagen Lines, Hoses, and Tubes category.

For users who are simultaneously servicing the thermal comfort systems in their vehicle, a practical guide on selecting and operating air conditioning and heating components may be helpful. You can find it in the article Air Conditioning and Heating – Part Selection and Maintenance for Year-Round Comfort, which discusses, among other things, the specifics of using used OEM parts.