Audi Q7 4L Porsche Cayenne 955 3.0 TDI Engine Air Intercooler Charger 7L6145804A

Visual condition of the part

The product shows signs of use visible in the photos.

Audi Q7 4L Porsche Cayenne 955 3.0 TDI Engine Air Intercooler Charger is an original intake system component designed for stable operation in demanding thermal conditions. Thanks to its factory design, it ensures efficient cooling of compressed air, which translates into better engine performance and repeatable output. This solution is intended for users looking for a proven OEM part instead of replacements of unknown origin.

Specifications and technical data

• SKU: 7L6145804A-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 7L6145804A
• Substitutable numbers: 7L6145804A, 7L6 145 804 A, 95511064010, 955 110 640 10
• Part type: Intercooler
• Category: Intercoolers

Purpose and function in the turbocharging system

The presented intercooler has been developed for 3.0 TDI units installed in the Audi Q7 4L generation and Porsche Cayenne 955. Its task is to lower the temperature of the air compressed by the turbocharger before it is delivered to the cylinders. A lower air charge temperature promotes stable combustion, improves knock resistance, and helps maintain the engine's nominal power across a wide range of loads.

In practice, a functional intercooler helps limit performance drops under prolonged load and supports the maintenance of correct exhaust emission parameters. This is particularly important in heavy SUVs, which often operate under higher thermal loads than passenger cars.

Benefits of using an original intercooler

Using an original intercooler in an Audi Q7 4L or Porsche Cayenne 955 brings a number of practical benefits:

• factory connection geometry facilitating installation at standard mounting points,
• properly selected capacity and heat exchange surface, matched to the characteristics of the 3.0 TDI engine,
• maintenance of the pressure drops in the intake system as specified by the manufacturer,
• compatibility with standard air hoses and accessory components.

As a result, replacing a worn-out intercooler with an original part allows for restoring the factory parameters of the turbocharging system without the need for installation modifications.

Used part condition and operational aspects

The offered intercooler is a used part, which provides an attractive cost-effective solution while maintaining the factory design. For many premium SUV users, this is a reasonable compromise between price and quality, especially when repairing the intake and charge air cooling systems.

When selecting an intercooler, it is worth paying attention to:

• the tightness of the core and connection ports,
• the absence of significant housing deformations,
• the condition of the cooling fins and any signs of corrosion.

Regular inspection of the charge air cooling system is particularly important during periods of high temperatures. You can find more about the impact of heat on the cooling system and the possibilities of saving money by using used parts in our guide Summer heat and used radiators and fans – how to reasonably reduce service costs.

Selection and integration with other system components

To ensure proper cooperation with the turbocharger and intake manifold, it is crucial to match the intercooler to the specific engine and body version. In the case of the Audi Q7 4L and Porsche Cayenne 955, this means maintaining compatibility with the factory air duct routing, front panel mounts, and aerodynamic covers.

When planning a repair or upgrade of the turbocharging system, it is worth considering a simultaneous verification of the condition of pressure hoses, clamps, and mounting elements. A consistent service approach reduces the risk of leaks that could lower the efficiency of air cooling and affect vehicle dynamics.

Summary

Audi Q7 4L Porsche Cayenne 955 3.0 TDI Engine Air Intercooler Charger is a practical solution for drivers who want to restore the correct parameters of the turbocharging system while maintaining the factory design. A used OEM component allows for reduced repair costs while maintaining the proper flow and air cooling characteristics. It is a good choice for those who expect predictable installation, correct cooperation with standard equipment, and stable engine operation in daily use.