Seat Ateca 2.0 TDI Thermostat Coolant Pipe Hose Line Tube 04L122058D

Seat Ateca 2.0 TDI Thermostat Coolant Pipe Hose Line Tube is a cooling system component from the Thermostats and housings group, designed for precise coolant routing in a diesel engine. A properly selected coolant hose ensures stable thermal conditions for the power unit, which translates into safe engine operation and predictable vehicle performance. This is a practical solution for users looking for a proven component for maintenance replacement in their Seat.

Specifications and technical data

• SKU: 04L122058D
• Mark: Seat
• Condition: Used
• OEM Part Number: 04L122058D
• Substitutable numbers: 04L122058D, 04L 122 058 D
• Category: Thermostats & Housings

Function and application in the cooling system

The thermostat coolant hose in the Seat Ateca 2.0 TDI model is responsible for the controlled flow of coolant between the thermostat and other cooling system components. A correctly selected and leak-free hose:

• stabilizes engine operating temperature under various load conditions,
• reduces the risk of engine overheating,
• supports the proper operation of the thermostat and coolant circulation.

Thanks to its specific shape and fit for the particular engine configuration, the hose maintains proper flow, which is crucial for maintaining uniform cooling.

Technical characteristics and fitment

The offered item comes from the Thermostats and housings group, meaning it has been designed to work with the factory cooling system in the Seat Ateca with a 2.0 TDI engine. The design of the hose is adapted to factory mounting points and engine bay geometry, which facilitates installation and allows for maintaining the original cooling system routing.

As a Seat brand part, the hose complies with factory dimensional and connection standards, which minimizes the risk of leaks and compatibility issues when replacing a worn or damaged component.

Condition of the item and benefits of choosing a used part

The product is offered in used condition, which is a reasonable compromise between repair costs and maintaining compliance with the vehicle's original specifications. Choosing such a component allows you to:

• reduce service costs compared to new parts,
• maintain the original operating characteristics of the cooling system,
• preserve consistency with the factory engine design.

For workshops and individual users, this is a practical solution for maintenance repairs when it is necessary to replace the thermostat coolant hose without interfering with other system components.

Professional application in Seat Ateca 2.0 TDI service

The thermostat coolant hose in the Seat Ateca 2.0 TDI is particularly important during cooling system service work, such as replacing the thermostat, coolant, or fixing leaks. A well-selected component:

• facilitates maintaining the correct engine operating temperature,
• reduces the risk of failures resulting from engine overheating or underheating,
• supports long-term, stable vehicle operation.

Thanks to the preservation of the factory hose geometry, installation is predictable, and the cooling system maintains parameters close to the original.

If you are planning a comprehensive repair or upgrade of the engine area in your Seat and need other elements from the same group, such as water hoses, thermostat housings, or connection pipes, check the available parts in the Seat Thermostats and housings category.

Additional technical support and service knowledge

When working with the cooling system and replacing body parts after a collision, it is worth using reliable sources of knowledge to correctly select used OEM components and carry out repairs in accordance with good workshop practices. More practical tips on using dismantled parts can be found in the article Bodywork and chassis – post-accident repairs using dismantled parts, which discusses procedures, examples, and the most frequently asked questions related to such repairs.