Cooling system
THERMOTEC
Radiator Hose DWM121TT
THERMOTEC
Radiator Hose DWM164TT
THERMOTEC
Radiator Hose DWR285TT
THERMOTEC
Radiator Hose DWW520TT
THERMOTEC
Cooling system pipe SI-IV53
THERMOTEC
Cooling system pipe SI-ME58
THERMOTEC
Cooling system pipe SI-ME87
THERMOTEC
Radiator Hose SI-SC145
THERMOTEC
Radiator Hose SI-SC87
THERMOTEC
Cooling system pipe SE14-1000
THERMOTEC
Cooling system pipe SE28/25X76
THERMOTEC
Cooling system pipe SE45/70X76
THERMOTEC
Cooling system pipe SE57/63X76
HANS PRIES
Coolant Flange HP116 861
MOTORAD
Coolant Flange CH2715
MOTORAD
Coolant Flange CH7043
ELRING
Seal Ring EL366310
NRF
Engine radiator AUDI A3, TT; OPEL MOVANO A; SEAT LEON, TOLEDO II; SKODA OCTAVIA I; VW BORA, BORA I, GOLF IV NRF 509529A
THERMOTEC
Engine radiator AUDI A4 ALLROAD B9, A4 B9, A5, A6 ALLROAD C8, A6 C8, A7, Q5, Q7; VW TOUAREG D7W082TT
FEBI
Expansion Tank, coolant FE104942
MEYLE
Expansion Tank, coolant 314 223 0000
NISSENS
Expansion Tank, coolant NIS 996123
NISSENS
Expansion Tank, coolant NIS 996130
NISSENS
Expansion Tank, coolant NIS 996186
THERMOTEC
Expansion Tank, coolant DBB041TT
THERMOTEC
Expansion Tank, coolant DBDA010TT
THERMOTEC
Clutch, radiator fan D5FE007TT
Essential Components of Your Car's Cooling System
Maintaining your vehicle's cooling system is crucial for optimal engine performance and longevity. The cooling system prevents overheating, ensuring your engine operates within the ideal temperature range. Below are the key components that make up this vital system:
1. Radiator
The radiator serves as the primary heat exchanger, dissipating heat from the engine coolant into the atmosphere. It consists of a series of tubes and fins designed to maximize surface area for efficient cooling. Regular inspection for leaks and debris is essential to maintain its functionality.
2. Water Pump
The water pump circulates coolant throughout the engine and radiator, ensuring consistent temperature regulation. Typically driven by a belt, a malfunctioning water pump can lead to engine overheating. Regular maintenance helps prevent failures.
3. Thermostat
The thermostat regulates coolant flow based on engine temperature. It remains closed during engine warm-up, allowing the engine to reach optimal operating temperature quickly. Once achieved, it opens to permit coolant circulation through the radiator.
4. Cooling Fan
Cooling fans draw air through the radiator to aid in lowering coolant temperature, especially during low-speed driving or idling. They can be mechanically driven or electric, activating as needed to maintain proper engine temperature.
5. Heater Core
The heater core functions as a secondary radiator, providing heat to the vehicle's cabin. It utilizes hot engine coolant to warm the air blown into the interior, enhancing passenger comfort during colder months.
6. Expansion Tank (Coolant Reservoir)
The expansion tank accommodates coolant expansion due to temperature fluctuations, maintaining appropriate pressure within the system. Monitoring coolant levels in the reservoir helps detect potential leaks or issues.
7. Hoses
Hoses connect various components of the cooling system, facilitating coolant flow between the engine, radiator, and heater core. Regular inspection for signs of wear, cracks, or leaks is vital to prevent coolant loss and overheating.
8. Radiator Cap
The radiator cap maintains system pressure, raising the coolant's boiling point and enhancing heat dissipation. It also allows excess coolant to flow into the expansion tank when pressure exceeds a certain threshold.
9. Temperature Sensors
Temperature sensors monitor engine and coolant temperatures, providing data to the vehicle's control systems. Accurate readings ensure proper operation of components like the thermostat and cooling fans.
Understanding these components and their functions is essential for effective vehicle maintenance. Regular inspections and timely replacements of worn parts can prevent overheating and costly engine damage. For high-quality replacement parts, visit IC24.UK, your trusted online store for automotive components.



