Volkswagen Passat B6 Audi TT 8J Water Coolant Hose Pipe 2.0 TDI 3C0122073FB

Volkswagen Passat B6 Audi TT 8J Water Coolant Hose Pipe 2.0 TDI is an original component from the Cooling system hoses and pipes group, designed to operate in the demanding environment of the engine bay. This used OEM component ensures factory-spec connection geometry, which facilitates installation and helps maintain proper coolant circulation in 2.0 TDI units. It is a practical solution for users looking for a proven part at a reasonable price.

Specifications and technical data

• SKU: 3C0122073FB
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3C0122073FB
• Substitutable numbers: 3C0122073FB, 3C0 122 073 FB
• Rim width: 8
• Category: Coolant Hoses

Purpose and function in the cooling system

The coolant hose in Passat B6 and Audi TT 8J models is responsible for a stable connection between cooling system components, ensuring the flow of the working medium under variable pressure and across a wide temperature range. The properly selected shape and diameter of the hose reduce pressure drops, support uniform cooling of the 2.0 TDI engine, and help maintain the correct operating temperature of the powertrain.

Thanks to the preservation of factory design parameters, the hose works with the stock radiator, connectors, and mounting clamps, which minimizes the risk of leaks after replacement. This is particularly important in vehicles operated in mixed cycles, where the cooling system is exposed to frequent load changes.

Benefits of using an original coolant hose

Using an original coolant hose in Volkswagen and Audi cars offers a number of practical benefits:

• factory fitment to connectors and mounts in the engine bay,
• maintenance of the correct hose routing, which limits the risk of abrasion and vibration,
• compatibility with stock cooling system components,
• stable operation within typical temperature and pressure ranges for 2.0 TDI engines.

For the user, this means easier installation, a lower risk of leaks, and more predictable cooling system behavior in daily operation. Choosing a used OEM component is often a beneficial compromise between cost and build quality.

Condition, installation, and service application

The offered hose comes from dismantling and is classified as a used part, which allows for cost-effective cooling system repair while maintaining the manufacturer's original specifications. This type of component is particularly useful for:

• fixing leaks resulting from cracks or wear of the old hose,
• preventive cooling system maintenance after engine overheating,
• comprehensive replacement of rubber and flexible elements around the radiator.

The hose is ready for installation in place of the factory element, without the need for system modifications. In practice, this shortens repair time and facilitates work in both professional service centers and independent workshops.

Compatibility with other cooling system components

Due to its classification in the Cooling system hoses and pipes category, this element works with the radiator, thermostat, water pump, and other flexible hoses within the 2.0 TDI engine area. Properly matching the hose to the specific vehicle configuration allows for maintaining the cooling efficiency designed by the manufacturer, which has a direct impact on the durability of the powertrain and the stability of operating parameters.

If you are planning a comprehensive repair or upgrade of the engine area in your Volkswagen and need other elements from the same group, such as additional hoses, return lines, or heater connection sections, check the available parts in the Volkswagen cooling system hoses and pipes category.

Technical support and operation in high temperatures

The cooling system in vehicles with a 2.0 TDI engine is particularly stressed during the summer, city driving, and towing. A functional coolant hose helps maintain tightness and stable fluid flow, which reduces the risk of overheating. To better understand the impact of high temperatures on the entire cooling system and the possibilities for savings when using used components, it is worth reading the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.

By combining an original coolant hose with a properly selected radiator and fans, you can build a stable, predictable cooling system that handles intensive use and long-term driving in high ambient temperatures well.