Question 1

What is the purpose of the cooling system hose?

Accepted Answer

It is a flexible or rigid element connecting the components of the cooling system, which allows coolant to flow between the engine, radiator and water pump.

Question 2

What is the difference between a silicone hose and a rubber hose?

Accepted Answer

Silicone hoses are more resistant to high temperatures (up to 200°C), making them ideal for sports or tuning applications. Rubber hoses are standard on most passenger cars and offer good flexibility.

Question 3

How do you know if your cooling hose needs replacing?

Accepted Answer

Symptoms include leaks, cracks, flattening, or soft material. It's also worth looking for signs of corrosion at the joints.

Question 4

Are the cooling system hoses universal?

Accepted Answer

No. Each car model has hoses with specific diameters, lengths, and bend angles – so compatibility with a specific engine or OEM designation is important.

Question 5

Do cooling system hoses affect engine performance?

Accepted Answer

Yes, indirectly. An efficient cooling system maintains optimal operating temperatures, which translates into stable power and lower fuel consumption.

Question 6

How often should you replace your cooling system hoses?

Accepted Answer

It is recommended to inspect it every 40,000–60,000 km and replace it approximately every 5 years, especially if there are visible signs of wear.

Question 7

Where to buy cooling system hoses in good condition?

Accepted Answer

It is best to buy from a trusted store like Global Parts, where each part undergoes quality control and is described in terms of its fit for specific vehicle models.

Cooling system hoses and lines

Audi A4 B7 3.0 TDI BKN Turbo Intercooler Pipe Hose Line Tube 8E0145738D

Mercedes H243 Engine Cooling System Coolant Water Valve Unit A0005061500

Coolant Hose Mercedes W166 Diesel OM642 Radiator Water Hose A1668300596

Heater Hose Mercedes Citan W415 OM607 Water Coolant Radiator Pipe A4155010000

Water Hose Mercedes W204 W212 Radiator Coolant Feed Tube Pipe Line A2762000452

Volkswagen Golf Mk6 Audi A3 8P Hose Thermostat Coolant Pipe 2.0 TDI 03L121065H

Bleed Line Mercedes W447 Diesel Coolant Hose Radiator Expansion Tank A4475010525

Volkswagen Crafter 2E Metal Water Hose Cooling Coolant Pipe Line 2E0122101G

Mercedes R172 M274 Engine Coolant Left N/S Cooler Hose Pipe Line A1725017282

Seat Ateca FR 2.0 TDI Diesel Water Pipe Engine Cooling Coolant Hose 04L122073D

Mercedes W177 W247 Water Hose Coolant Cooling Pipe Line A2475062800

Water Hose Mercedes C118 W177 Cooling Coolant Radiator Pipe Line A1775017302

Audi A3 8V VW Golf Mk7 Air Conditioning Hose A/C Pipe Line 5Q0816743D

Mercedes Vito Viano W639 OM646 Water Coolant Hose Return Pipe Line A6398320593

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line A2055016200

Land Rover Discovery 4 L319 Coolant Water Pipe Hose 3.0 V6 Diesel AH22-8286-BE