Audi A4 B9 Turbocharger Turbo Charger Actuator 1.4 TFSI 04E145722H

The Audi A4 B9 1.4 TFSI Turbocharger is an original equipment turbocharger component designed for the 1.4 TFSI petrol engine in the B9 generation Audi A4. A used OEM turbocharger is a sensible choice for drivers who want to restore proper engine dynamics while keeping service costs under control.

Specifications and technical data

• SKU: 04E145722H
• Mark: Audi
• Condition: Used
• OEM Part Number: 04E145722H
• Substitutable numbers: 04E145722H, 04E 145 722 H
• Fuel type: Petrol
• Category: Turbos & Parts

Technical characteristics of the Audi A4 B9 1.4 TFSI turbocharger

The turbocharger for the 1.4 TFSI engine was designed specifically for the requirements of Audi petrol engines, ensuring adequate boost throughout the entire rpm range. The OEM design guarantees compliance with factory operating parameters of the intake and exhaust systems, resulting in stable performance and proper interaction with the engine control electronics.

This component comes from the turbocharger and parts group, making it fully adapted to the thermal and mechanical loads typical of modern TFSI engines. Using the right turbocharger is crucial for maintaining proper boost pressure, engine refinement, and fuel consumption.

Intended use and compatibility with petrol engine

This turbocharger is designed to work with the 1.4 TFSI petrol engine in the Audi A4 B9. This means it is compatible with:

• combustion characteristics of the unit with direct gasoline injection,
• factory boost control system,
• original manifolds and intake pipes.

This allows for installation similar to the factory setup, without the need for structural modifications. Proper fuel matching reduces the risk of problems with exhaust gas temperature, incorrect boost pressure, or engine control unit errors.

Used condition - conscious service choice

A used Audi turbocharger is a solution for users seeking a compromise between repair costs and maintaining original OEM quality. This type of component allows for:

• maintaining the factory engine operating characteristics,
• reduced costs compared to a new turbocharger,
• maintaining compatibility with factory engine accessories components.

Before installation, the standard service procedure is recommended: inspection of the lubrication system, oil and intake lines, and oil and filter replacement to ensure the smoothest possible operation after replacement.

Benefits of using an original Audi turbocharger

Choosing an original turbocharger for your Audi A4 B9 brings a number of practical benefits in everyday use:

• Factory fit – compatible with mountings, wiring and engine management system for easy installation and reduced workshop time.
• Stable operating parameters – proper boost pressure and predictable response to gas, important both in city driving and on the road.
• Consistency with the rest of the equipment – no need for adaptation or modification, as is the case with substitutes with different characteristics.

For workshops and individual users, this means a lower risk of complaints and easier diagnosis in the event of any future faults.

Other Audi turbochargers and used parts knowledge

If you're looking for other turbochargers for Audi, check out our dedicated category: Audi turbochargers . There you'll find a wide selection of components for various models and engine versions of this brand.

When choosing aftermarket parts, it's important to rely on trusted sources and adopt an informed purchasing approach. For more practical tips, see the article: Used Parts – Your Guide to the Best Deals in Automotive Stores , which describes how to responsibly choose used components and what to look for when installing them.