VW Golf Mk5 Audi A3 8P Water Hose Cooling Coolant Radiator Pipe Line 1K0122073ER

VW Golf Mk5 / Audi A3 8P Cooling Hose is an original, used coolant pipe designed to work with the radiator and engine cooling system. The part was designed by Volkswagen for stable coolant flow and a secure connection to the radiator and other hoses.

Specifications and technical data

• SKU: 1K0122073ER
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 1K0122073ER
• Substitutable numbers: 1K0122073ER, 1K0 122 073 ER
• Part type: Hose
• Category: Coolant Hoses

Application and Function in the Cooling System

The VW Golf Mk5 Audi A3 8P Water Hose Cooling Coolant Radiator Pipe Line plays a crucial role in the coolant circulation between the radiator and other system components. It is responsible for:

• stable coolant flow towards and from the radiator, without uncontrolled flow turbulence,
• leak-proof connection to the spigots and other cooling system hoses,
• maintaining proper engine operating temperature through efficient coolant transport.

A properly selected cooling hose reduces the risk of engine overheating, performance loss, and failures due to coolant loss.

Original Origin and Fitment

The hose comes from the Volkswagen group, ensuring factory fitment for VW Golf Mk5 and Audi A3 8P models. An original part provides:

• geometry consistent with factory hose routing in the engine bay,
• correct connection diameters matched to the radiator spigots and other system components,
• compatibility with factory clamps and mountings, facilitating installation and service.

This ensures predictable installation without the need for modifications or adapters.

Characteristics of a Used Part

As a used part, the cooling hose offers a cost-effective solution while maintaining the original manufacturer's specifications. This type of component is particularly attractive when:

• maintaining the factory hose routing is important,
• a quick replacement of a damaged hose is needed without investing in expensive aftermarket parts,
• fitment to a specific model version is crucial without experimenting with universal solutions.

A used cooling hose is a sensible choice for routine repairs where functionality and compliance with the factory design are priorities.

Benefits of a Properly Selected Cooling Hose

An efficient radiator hose in VW Golf Mk5 and Audi A3 8P vehicles translates to:

• stable cooling system operation across a wide range of loads and temperatures,
• reduced risk of coolant leaks at critical connection points,
• maintenance of proper engine operating temperature, which contributes to engine longevity,
• hassle-free installation due to factory fitment for the specific vehicle platform.

Selecting a hose that meets manufacturer requirements is especially important in vehicles used intensively or in urban traffic, where the cooling system operates under demanding conditions.

Volkswagen Cooling Hoses and Pipes

If you are looking for other Volkswagen cooling hoses and pipes for various models of this brand, check out our dedicated category: Volkswagen cooling hoses and pipes. You will find a wide selection of cooling system components there, making it easier to gather all the necessary parts for repairs.

More About the Cooling System and Part Selection

Do you want to better understand how an efficient radiator hose affects engine operating temperature and engine longevity? See our guide: Engine Cooling System – Overheating, Repair, and Used Radiators, where we discuss practical aspects of diagnosing and selecting cooling system components.

If you are interested in a broader perspective on the used parts market, it is also worth checking out the article Best Used Car Parts – A Guide to Original Components, where we describe what to look for when choosing used parts for popular car models.