Audi SQ5 FY Air Intake Intercooler Line Pipe Left N/S 3.0 TFSI 80A145673D

Audi SQ5 FY 3.0 TFSI Left Intercooler Hose Pipe Tube is an original boost system component from the Hoses, Tubes, and Pipes category, designed for gasoline engines with automatic transmissions. This used part ensures factory-standard air routing to the intercooler on the left side of the vehicle, maintaining proper flow characteristics and system tightness. It's a practical solution for users who want to preserve the integrity of the intake system design in their SQ5.

Specifications and technical data

• SKU: 80A145673D
• Mark: Audi
• Condition: Used
• OEM Part Number: 80A145673D
• Substitutable numbers: 80A145673D, 80A 145 673 D
• Location on the vehicle: Left
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Hoses, Lines & Pipes

Purpose and Function in the Boost System

The left intercooler hose in the Audi SQ5 FY 3.0 TFSI is responsible for directing compressed air within the boost system, between the turbocharger, intercooler, and intake manifold. A correctly selected component helps maintain stable boost pressure, reduce flow losses, and ensure adequate intake air cooling, which translates to consistent engine performance.

Thanks to its dedicated placement on the left side of the vehicle, the hose is tailored to the engine bay geometry, the routing of other hoses, and the specific equipment for automatic transmission versions. Using an original part minimizes the risk of interference with other components and facilitates correct installation.

Compatibility with 3.0 TFSI Engine and Automatic Transmission

The hose is designed to work with the 3.0 TFSI gasoline engine, where the boost system operates under increased thermal and pressure loads. The component's design is adapted to the characteristics of the gasoline engine, including higher intake air temperatures and dynamic pressure changes during acceleration.

An automatic transmission configuration requires proper hose routing in the engine bay to avoid interference with the gearbox housing, oil lines, or wiring harness. Using the dedicated left-side hose maintains the system's factory routing and simplifies servicing.

Benefits of Using an Original Audi Hose

Choosing an original Audi intercooler hose offers several practical benefits for everyday use:

• factory fit for the SQ5 FY model with the 3.0 TFSI engine,
• preservation of the original intake system geometry,
• correct routing on the left side of the vehicle,
• compatibility with gasoline and automatic transmission configurations,
• reduced risk of leaks and boost pressure drops.

This makes the hose a functional solution for repairs after mechanical damage, replacement of boost system components, or restoring the car to its factory specification.

Practical Installation and Operational Tips

When installing the left-side intercooler hose, pay attention to its correct positioning relative to other hoses, tubes, and pipes in the engine bay. Ensure proper seating on the spigots, secure fastening of clamps or connectors, and avoid any tension that could cause micro-cracks during system operation.

After installation, it is recommended to check the boost system for leaks and verify that the hose does not rub against bodywork or equipment. A correctly installed component supports stable operation of the 3.0 TFSI engine, reduces the risk of power loss, and helps maintain consistent performance during dynamic driving.

Expanding the System and Selecting Other Components

If you are planning comprehensive maintenance of the intake system in your SQ5 and also need other components from the charged air hoses, vacuum hoses, or cooling system pipes categories, check the available parts in the Audi Hoses, Tubes, and Pipes category.

For major repairs or system upgrades, it is worth familiarizing yourself with tips on assembling original used components. Practical advice can be found in the article Comprehensive Sourcing of Used Car Parts, which discusses the advantages of a One-Stop-Shop approach and the conscious selection of parts over random aftermarket alternatives.