Volkswagen Golf Mk6 Water Hose Coolant Radiator Pipe Line 1.4 TSI 1K0122101HR

Volkswagen Golf Mk6 Water Hose Coolant Radiator Pipe Line 1.4 TSI is an original component from the Cooling system hoses and pipes group, designed for operation in the 1.4 TSI petrol engine cooling system. Engineered by the vehicle manufacturer, it ensures proper coolant flow, stabilizing the engine temperature under typical operating conditions.

Specifications and technical data

• SKU: 1K0122101HR
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 1K0122101HR
• Substitutable numbers: 1K0122101HR, 1K0 122 101 HR
• Part type: Hose
• Category: Coolant Hoses

Purpose and function in the cooling system

The presented cooling system hose is a component of the factory heat dissipation system for the 1.4 TSI engine in the Golf Mk6 model. It is responsible for directing coolant between key components, which allows for maintaining stable thermal conditions and reduces the risk of engine overheating.

Thanks to the precise geometry and diameter of the hose, the coolant flow remains consistent with the manufacturer's design specifications, which promotes even temperature distribution throughout the entire circuit.

Construction and fitment for Volkswagen Golf Mk6 1.4 TSI

The hose has been designed specifically for the engine bay architecture of the sixth-generation Golf with the 1.4 TSI unit. Properly contoured sections and factory ends allow for installation at the original mounting points, without the need for modifications or the use of adapters.

Such fitment translates into:

• secure seating of the hose in the cooling system,
• maintenance of proper connection tightness,
• maintaining correct hose routing relative to other components in the engine bay.

Performance characteristics of the used component

The offered hose comes from dismantling and is a used component, which allows for an economical replacement of a damaged or leaking section of the cooling system while maintaining the original manufacturer's specifications. This type of solution is particularly beneficial for maintenance repairs where design compliance with the factory system is essential.

Choosing an original hose from dismantling reduces the risk of fitment issues that may occur with aftermarket parts of universal geometry.

Importance of the correct hose in the cooling system

A functional cooling system hose has a direct impact on engine safety. Leaks, pressure drops in the circuit, or hose deformations can lead to coolant loss and engine overheating. A properly selected, original component helps maintain stable system operating parameters and reduces the risk of thermal failure.

If you want to better understand how individual coolant circuit components affect engine durability, it is worth checking out our guide: Engine cooling system – overheating, repair, and used radiators.

Comprehensive Volkswagen cooling system service

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

In case of any doubts regarding the choice of a used component, our guide addressing the most common concerns about parts from dismantling may also be helpful: Used car parts: Myths and facts you need to know.