Audi A6 C7 3.0 TFSI Water Coolant Pipe Hose Line Left N/S 4G0145926

The Audi A6 C7 3.0 TFSI Left Coolant Hose is an original cooling system component, specifically designed for the 3.0 TFSI engine. With its factory fit, it ensures stable coolant flow on the left side of the engine bay, supporting a safe operating temperature. This is a practical solution for users who want to maintain the original cooling system design in their Audi.

Specifications and technical data

• SKU: 4G0145926
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0145926
• Substitutable numbers: 4G0145926, 4G0 145 926
• Location on the vehicle: Left
• Part type: Pipe
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The left coolant hose in the Audi A6 C7 3.0 TFSI is responsible for directing the coolant between system components. A correctly selected hose:

• maintains the integrity of the coolant circuit in the critical side section of the engine,
• ensures adequate flow cross-section, which reduces the risk of localized overheating,
• works in conjunction with other hoses and pipes in the cooling system according to the manufacturer's design.

This allows the cooling system to operate predictably, and the 3.0 TFSI engine to maintain stable thermal conditions under typical and increased loads.

Original Origin and Fit for Audi

The hose comes from the original Audi parts line, which translates to maintaining factory geometry, connection diameters, and appropriate material flexibility. In practice, this means:

• a secure fit to the outlets and mounting points on the left side of the engine,
• no need for modifications or length adjustments of the hose,
• preservation of the manufacturer-designed hose routing in the engine bay.

This type of component is particularly important in modern turbocharged engines, where the cooling system operates under higher thermal load, and each hose must meet specific flow requirements.

Characteristics of the Used Hose

The component comes from the Cooling System Hoses and Pipes category and is a used part, allowing for economical repair while maintaining original specifications. In practice, this choice is beneficial when:

• the existing hose has cracked, delaminated, or developed a leak,
• the component needs replacement after service intervention within the cooling system,
• you want to maintain the original system design without using aftermarket parts.

Its placement on the left side of the vehicle is important for part selection – the hose is profiled for a specific side, so it's crucial to install it as intended.

Importance of a Proper Hose for Engine Safety

A functional coolant hose directly impacts the durability of the engine. Leaks, kinks, or an incorrect cross-section can lead to reduced cooling efficiency. It is worth familiarizing yourself with a broader discussion of the cooling system's operation and the consequences of engine overheating in the article: Engine Cooling System – Overheating, Repair, and Used Radiators. This will help you better appreciate the significant role individual hoses and pipes play in the entire system.

Selecting Other Audi Cooling Hoses and Pipes

If you plan to replace other components from the same group during servicing, it is advisable to check the available Audi Cooling System Hoses and Pipes. This will facilitate comprehensive system maintenance and reduce service downtime. View the full offer by selecting Audi Cooling System Hoses and Pipes to choose parts that fit your model.