Toyota Aygo B1 Radiator Air Conditioning 1.0L Petrol 164000Q020

Toyota Aygo B1 Radiator Air Conditioning 1.0L Petrol is an original cooling system component designed to work with the petrol engine. Designed by the Toyota brand, it ensures stable heat dissipation from the air conditioning system and supports the proper operation of the power unit. It is a practical solution for users looking for a proven, used OEM part tailored to the specifics of a small city engine.

Specifications and technical data

• SKU: 164000Q020
• Mark: Toyota
• Condition: Used
• OEM Part Number: 164000Q020
• Substitutable numbers: 164000Q020, 16400-0Q020
• Fuel type: Petrol
• Part type: Radiator
• Category: Radiators

Purpose and function in the cooling system

The radiator in the Toyota Aygo B1 is responsible for the efficient dissipation of heat from the working medium, which stabilizes the operating temperature of the air conditioning system and indirectly affects the thermal conditions in the engine compartment. In combination with other cooling system components, it creates a coherent system that:

• maintains the appropriate temperature level during city driving and in traffic jams,
• reduces the risk of overheating the petrol unit,
• supports thermal comfort inside the vehicle. Thanks to the OEM design, the radiator maintains the correct geometry of connections and dimensions, which facilitates installation in factory mounting points without the need for modifications.

Compatibility with the 1.0 petrol engine

The presented radiator is intended for the Toyota Aygo B1 version with a 1.0 petrol engine, which means it is matched to the thermal characteristics of a small unit intended for city use. The cooling system in such an engine must ensure:

• stable operation under a wide range of loads,
• adequate heat exchange during frequent starts and short trips,
• cooperation with the air conditioning system without loss of efficiency. Choosing a used OEM radiator for a specific engine version reduces the risk of fitment issues and allows for maintaining the factory operating parameters of the system.

Characteristics of the used OEM part

As a used original component, the Toyota Aygo B1 Radiator Air Conditioning 1.0L Petrol represents a reasonable compromise between cost and quality. Compared to low-budget replacements, an OEM part usually offers:

• factory fitment to brackets and hoses,
• compliance with the flow and heat exchange parameters provided by the manufacturer,
• consistency with other cooling and air conditioning system components. Choosing an original radiator in the Water radiators segment helps maintain predictable system behavior over the long term of operation.

Technical support and part selection

When replacing the radiator in a Toyota Aygo B1, it is worth paying attention to the condition of other cooling and air conditioning system elements, such as hoses, the fan, or temperature sensors. A properly selected and installed radiator reduces the risk of overheating and leaks, which translates into stable engine operation and vehicle comfort. To better understand the impact of a functional radiator on the durability of the power unit and the symptoms of overheating, it is worth reading the guide article Engine cooling system – overheating, repair, and used radiators, which discusses practical aspects of diagnostics and replacement of cooling system components.

Expansion of the cooling system in Toyota Aygo

If you are planning a comprehensive repair or modernization of the engine area in your Toyota and need other elements from the same group, such as additional radiators, mounting elements, or cooling system hoses, check the available parts in the Toyota water radiators category.