Volkswagen Phaeton 3D Fuel Rail Line Pipe Left N/S 5.0 Diesel 07Z133317J

The Volkswagen Phaeton 3D Left Injector Rail 5.0 Diesel is a specialized component of the diesel engine fuel system, designed for precise fuel distribution to the injectors. This part is from a dismantled vehicle, allowing for an economical yet technically sound repair of the common rail system in a Phaeton with a 5.0 Diesel engine.

Specifications and technical data

• SKU: 07Z133317J
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 07Z133317J
• Substitutable numbers: 07Z133317J, 07Z 133 317 J
• Location on the vehicle: Left
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Function of the Injector Rail

The left injector rail in the 5.0 Diesel engine is responsible for stable fuel supply to its respective cylinder group under high pressure. A correctly selected rail ensures:

• even fuel distribution to the injectors on the left side of the V10 unit,
• maintenance of proper common rail system operating parameters across a wide range of loads,
• stable engine operation during startup, acceleration, and constant speed driving.

Selecting the correct rail is crucial for maintaining engine smoothness, reducing smoke, and protecting injectors from overload.

Compatibility with Volkswagen Phaeton 5.0 Diesel

The Volkswagen Phaeton 3D Left Injector Rail 5.0 Diesel is designed to work with the V10 diesel engine, where the fuel system requires precisely matched components. The part is intended for installation on the left side of the vehicle, in accordance with the factory engine equipment layout.

Before purchasing, it is recommended to verify compatibility with the specific engine version and model year of the Phaeton to ensure full mechanical and hydraulic compatibility with the existing injection system.

Benefits of Using an Original Injector Rail

Using an original injector rail in the diesel fuel system offers several practical benefits:

• maintaining original operating parameters of the diesel engine,
• better cooperation with injectors compared to low-quality aftermarket alternatives,
• reduced risk of leaks and pressure drops in the common rail system,
• more stable engine operation under heavy load and high RPMs.

For a demanding model like the Phaeton with a 5.0 Diesel engine, the correct selection of injection system components directly impacts engine durability and driving comfort.

Condition, Installation, and Service Recommendations

The offered rail comes from the Injector Nozzles category, highlighting its close connection to the precise fuel supply system. The component is designed for diesel fuel engines and should therefore only be installed in structurally compatible diesel units.

During installation, it is recommended to:

• use new seals and appropriately selected high-pressure lines,
• check system tightness after starting the engine,
• diagnose fuel pressure parameters using a tester to confirm the correct operation of the rail and injectors.

Technical Support and Additional Materials

To better understand how problems with diesel engine injection systems manifest and when replacing the rail or injectors is justified, check out the article: Diesel Injector Failures – How to Recognize Them and What Their Neglect Entails. This is a practical addition to your knowledge when planning a repair for a Phaeton 5.0 Diesel.

If you are looking for other parts from the injector nozzles category dedicated to this brand, check out the Volkswagen injector nozzles available in our store to complete the entire fuel system according to manufacturer requirements.