VW Volkswagen Mk5 V Mk6 VI 2.0 Petrol Water Coolant Pipe Hose Line 1K0122063D

The Volkswagen Mk5 V Mk6 VI 2.0 Petrol Radiator Hose Water Hose is an original cooling system component designed for 2.0 petrol engines in popular Golf generations. This used hose from the Cooling System Hoses and Pipes category allows for a technically correct repair of the system without the need for replacements with uncertain parameters. It's a practical solution for users who expect factory fitment and stable engine operating conditions.

Specifications and technical data

• SKU: 1K0122063D
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 1K0122063D
• Substitutable numbers: 1K0122063D, 1K0 122 063 D
• Fuel type: Petrol
• Category: Coolant Hoses

Purpose and Role in the Cooling System

The presented water radiator hose has been designed specifically for Volkswagen models with a 2.0 petrol engine, in Mk5 and Mk6 generations. It is responsible for the secure routing of coolant between system components, which directly impacts the maintenance of stable engine operating temperature.

Thanks to its factory geometry, the hose ensures:

• correct positioning relative to the radiator, engine, and other components,
• appropriate flow diameter for coolant,
• reduction of the risk of chafing and leaks resulting from improper fitment.

Benefits of Using an Original Hose

Using an original water radiator hose in a petrol engine brings tangible operational benefits. The component has been designed for specific thermal and pressure loads, contributing to stable cooling system operation.

Key advantages include:

• Factory fitment for 2.0 petrol engines – no need for modifications or diameter adjustments.
• Compatibility with other cooling system components – the hose works with original connectors and clamps.
• Reduced risk of overheating due to leaks or kinks in the hose.

Component Condition and Service Application

The water radiator hose is a used component, making it a sensible option for budget repairs or restoring a daily driven car's functionality. It is suitable for both typical replacement of a worn hose and for comprehensive cooling system servicing after a breakdown.

The product is particularly useful when:

• the existing hose shows signs of aging, cracking, or swelling,
• original hose routing needs to be restored after an engine repair,
• you want to maintain component consistency within the Volkswagen brand.

Cooling System and Engine Safety

A functional water radiator hose directly impacts the protection of the engine unit against overheating. In 2.0 petrol engines, stable coolant circulation is crucial for the durability of the cylinder head, seals, and accessories. Replacing a worn hose with an original part helps maintain proper operating parameters and reduces the risk of sudden fluid loss while driving.

If you want to better understand how the entire cooling system affects engine lifespan and what symptoms may indicate problems, check out the article: Engine Cooling System – Overheating, Repair, and Used Radiators.

Fitment by Numbers and Additional Materials

When selecting a water radiator hose for a specific Volkswagen model, it is advisable to verify compatibility using the OEM number and cross-reference numbers, as well as vehicle data. This helps avoid mistakes and speeds up installation. If you want to learn a simple guide to selecting parts by numbers, the following tutorial will be helpful: How to Choose the Right Car Part by VIN and OEM Number.

If you are looking for other Volkswagen Cooling System Hoses and Pipes, check out the available products in the category: Volkswagen Cooling System Hoses and Pipes.