The Audi A4 B7 A5 A6 2.0 TDI Turbocharger Oil Hose is an original turbocharger and parts component designed for 2.0 TDI diesel engines. It ensures a stable oil supply to the turbocharger, which is crucial for its durability and trouble-free operation in Audi engines.
Specifications and technical data
- SKU: 03L145771AS
- Mark: Audi
- Condition: Used
- OEM Part Number: 03L145771AS
- Substitutable numbers: 03L145771AS, 03L 145 771 AS
- Fuel type: Diesel
- Category: Turbos & Parts
Purpose and role in the charging system
The turbocharger oil line in the Audi A4 B7, A5, and A6 models with the 2.0 TDI engine is responsible for precise lubrication of the turbocharger rotor and bearings . Proper oil flow minimizes friction, reduces overheating, and reduces the risk of turbocharger seizure, which directly translates into stable engine operation and maintaining factory performance parameters.
This component is particularly important in diesel engines, where the turbocharger operates under significant load. A functioning oil line helps maintain adequate pressure and cleanliness of the lubricant within the turbocharger, supporting the long-term operation of the entire turbocharging system.
Technical characteristics and compatibility
This hose comes from the original Audi line of parts, retaining the factory geometry, connection diameters, and fitment to the 2.0 TDI engine mounts. This ensures predictable installation, without the need for modifications or adapters.
The product is categorized as a turbocharger and parts, making it easier to select the right turbocharger for your entire system. Using a hose that meets factory specifications ensures proper oil routing from the engine block to the turbocharger, reducing the risk of leaks and pressure drops.
The condition, origin, and benefits of using a used item
The oil line is a used, disassembled part, offering a cost-effective solution while maintaining original build quality. Unlike many aftermarket replacements, the OEM component is designed for specific Audi engines, taking into account the operating conditions of a diesel engine.
Using a used oil line in good condition is a reasonable compromise between price and functionality. It allows for:
- restoring proper turbocharger lubrication after a failure or leak of the old hose,
- maintaining compliance with the factory oil system specifications,
- reducing repair costs while maintaining the original standard of workmanship.
Application in 2.0 TDI diesel engines
The hose was designed for diesel engines, where the thermal and pressure loads on the turbocharger system are particularly high. 2.0 TDI engines require a stable oil supply to the turbocharger to maintain proper operation, flexibility, and component durability.
Selecting a hose dedicated to a specific diesel engine configuration reduces the risk of problems such as oil pressure drop, delayed lubrication after start-up, or local overheating of rotor components. This, in turn, translates into more predictable vehicle operation and a reduced risk of costly turbo repairs.
Supplementing the offer and additional materials
If you're looking for other turbocharger oil lines for Audi, check out our dedicated category: Audi turbocharger oil lines . This will help you easily assemble the turbocharger components that are right for your model.
When planning major modifications or refreshing your car, it's worth considering the interior as well. For inspiration on how to use used interior components, check out "Car Interior Tuning with Global Parts – Second-Hand Seats and Steering Wheels ," which describes how to thoughtfully improve the ergonomics and aesthetics of your cabin while maintaining a reasonable cost.
