What is the purpose of the cooling system hose?

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.

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

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.

How do you know if your cooling hose needs replacing?

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

Are the cooling system hoses universal?

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

Do cooling system hoses affect engine performance?

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

How often should you replace your cooling system hoses?

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.

Where to buy cooling system hoses in good condition?

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

At Global Parts, we offer a wide selection of original used car parts, including cooling system hoses and lines for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. The cooling system hoses and lines we offer are quality-controlled, ensuring you receive a top-quality product.

More information

Make

Category

Subcategory

Condition

In Stock

Price

Products in promotion

Part no. 7812515

BMW E90 E91 E92 Radiator Bottom Coolant Hose Line Tube Pipe 7812515

Product currently unavailable

Part no. A1665005100

Ad Blue Hose Mercedes ML W166 GLE C292 Diesel OM651 642 Coolant Line A1665005100

Product currently unavailable

Part no. 06A121492AG

Audi TT 8N 1.8 T Petrol Engine Turbo Coolant Pipe Hose Line Tube 06A121492AB

Product currently unavailable

Part no. A2128320994

Water Pipe Mercedes W212 Engine Cooling Coolant Hose Line A2128320994

Product currently unavailable

Part no. 4G0145919AC

Water Pipe Audi A6 C7 A7 4G 2.0 TDI Hose Engine Cooling Coolant Line 4G0145919AC

Product currently unavailable

Part no. A2115018482

Mercedes W211 OM646 Diesel Radiator Water Coolant Pipe Hose A2115018482

Product currently unavailable

Part no. A2535013782

Mercedes GLC X253 300e OM274 Coolant Hose Radiator Left N/S Pipe A2535013782

Product currently unavailable

Part no. A2435001200

Coolant Hose Mercedes EQA H243 Radiator Cooling Water Line Pipe A2435001200

Product currently unavailable

Part no. 045121065R

VW Polo MK4 9N 1.4 TDI BMS Water Hose Coolant Cooling Pipe Line 045121065R

Product currently unavailable

Part no. 3Q0122058E

Audi Q2 GA 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 3Q0122058E

Product currently unavailable

Part no. A6512001051

Water Pipe Mercedes W205 C253 OM651 Engine Cooling Coolant Hose A6512001051

Product currently unavailable

Part no. 7848507

Coolant Hose BMW F80 M3 F82 M4 S55 Petrol Turbo Cooling Pipe Line 7848507

Product currently unavailable

Part no. 059121071AN

Audi A4 B7 2.7 TDI BPP Radiator Coolant Water Hose Line Tube Pipe 059121071AN

Product currently unavailable

Part no. 99610662601

Porsche Boxster 986 Coolant Radiator Return Hose Line Tube Right O/S 99610662601

Product currently unavailable

Part no. 059121163F

Audi A5 8T Engine Water Coolant Pipe Cooling Hose Line 059121163F

Product currently unavailable

Part no. 1K0122073S

Audi A4 B7 Water Hose Cooling Coolant Radiator Pipe Line 1K0122073S

Product currently unavailable

Part no. A6110701233

Mercedes-Benz M-Class ML W163 M611 Injection System Pressure Line A6110701233

Product currently unavailable

Part no. 8587514

BMW F20 F21 LCI 116d B37 Radiator Coolant Expansion Tank Hose Pipe Line 8587514

Product currently unavailable

Part no. A2762001652

Mercedes W212 M276 Petrol Cylinder Head Feed Supply Line Pipe Hose A2762001652

Product currently unavailable

Part no. 9363338

BMW 1 3 Series F20 F21 F30 F31 LCI Coolant Water Hose Pipe Line Feed 9363338

Product currently unavailable

Part no. A2702000651

Water Pump Pipe Mercedes C117 W176 W246 M270 Coolant Hose Line A2702000651

Product currently unavailable

Part no. 8K0121049AF

Audi A4 B8 2.0 TDI Water Coolant Hose Tube Line Pipe 8K0121049AF

Product currently unavailable

Part no. 059121075CB

Volkswagen Touareg 7L Water Coolant Hose Pipe 3.0 TDI Diesel Engine 059121075CB

Product currently unavailable

Part no. 8593800

Mini F55 B37 Diesel Coolant Hose Expansion Tank Pipe Radiator 4754442

Product currently unavailable

Part no. 045121065M

VW Volkswagen Polo 9N 1.4 TDI Coolant Pipe Hose Line Tube 045121065M

Product currently unavailable

Part no. 8616133

BMW 3 Series F30 LCI 330e B48X Radiator Expansion Tank Line Hose Pipe 8616133

Product currently unavailable

Part no. A1695010482

Mercedes W169 W245 Turbo Air Flow Intercooler Coolant Hose Pipe A1695010482

Product currently unavailable

Part no. 04L121157S

Audi A4 B8 2.0 TDI Water Coolant Pipe Hose Line Tube 04L121157S

Product currently unavailable

Part no. 079121081

Audi S7 4G 4.0 TFSI Coolant Hose Engine Water Pipe Front Upper 079121081

Product currently unavailable

Part no. 7L6122101L

Audi Q7 4L Radiator Coolant Hose Water Pipe Line 3.0 TDI 7L6122101L

Product currently unavailable

Part no. A9065013182

Radiator Hose Mercedes W906 Sprinter OM651 Diesel Coolant Line Pipe A9065013182

Product currently unavailable

Part no. 7640000

Cooling Hose BMW E84 N20 Petrol Engine Water Coolant Heat Exchanger Pipe 7640000

Product currently unavailable

Part no. 9641522280

Peugeot 307 1.4 HDI Diesel Water Hose Engine Coolant Pipe Line 9641522280

Product currently unavailable

Part no. A1775017302

Water Hose Mercedes C118 W177 Cooling Coolant Radiator Pipe Line A1775017302

Product currently unavailable

Part no. 8673124

Coolant Return Hose BMW F30 LCI 330e B48X Radiator Cooling Line Pipe 8673124

Product currently unavailable

Part no. 03L121065

Audi A3 8P 2.0 TDI Water Coolant Pipe Hose Tube 03L121065

Product currently unavailable

Part no. 7540665

BMW E60 E61 E63 E64 N62N Coolant Suply Hose Radiator Water Pump Line 7540665

Product currently unavailable

Part no. A2478303601

Water Line Mercedes W177 Diesel OM608 Heater Return Hose To Engine A2478303501

Product currently unavailable

Part no. A1765012082-1

Water Hose Mercedes C117 W176 AMG Pipe Engine Cooling Coolant Line A1765012082

Product currently unavailable

Part no. A1775016000

Coolant Hose Mercedes W177 W247 OM608 Diesel Radiator Cooler To Regulation Valve

Product currently unavailable

Part no. A2095010682

Water Hose Mercedes W203 C209 M113 Radiator Coolant Pipe Line A2095010682

Product currently unavailable

Part no. A4475010525

Bleed Line Mercedes W447 Diesel Coolant Hose Radiator Expansion Tank A4475010525

Product currently unavailable

Part no. A1775201400

Mercedes W177 Intercooler Air Pipe Line Hose A1775201400

Product currently unavailable

Part no. 04L122073D

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

Product currently unavailable

Part no. BK31-18K579-AE

Ford Transit 8 2.2 TDCi Diesel Coolant Pipe Water Hose BK3118K579AE

Product currently unavailable

Part no. 72344268

BMW F30 LCI B48X Petrol Engine Coolant Hose Line Tube Pipe 72344268

Product currently unavailable

Part no. 1K0122109BT

Volkswagen Golf Mk5 Audi A3 8P Water Hose Cooling Coolant Pipe Line 1K0122109BT

Product currently unavailable

Part no. A6398326523

Mercedes Vito W639 OM646 Diesel Heater Water Coolant Hose Pipe Line A6398326523

Product currently unavailable

Part no. 8580486

Expansion Tank Line Coolant Hose BMW F40 B47B Mini F56 B47D Water Pipe 8580486

Product currently unavailable

Part no. A2118301496

Water Hose Mercedes W211 W219 OM642 Engine Coolant Cooling Pipe Line A2118301496

Product currently unavailable

Part no. 9684589080-1

Peugeot 207 307 1.6 HDI Water Hose Cooling Coolant Pipe Line 9684589080

Product currently unavailable

Part no. A6461401508

Mercedes W204 W211 Exhaust Cooler EGR Heat Exchanger OM646 Diesel A6461401508

Product currently unavailable

Part no. 8602871

Coolant Hose BMW G30 G31 G32 G11 B58 Radiator Cooling Pipe Line 8602871

Product currently unavailable

Part no. A0005061400

Mercedes EQA H243 W247 Coolant Pipe Hose Line Switchover Valve A0005061400

Product currently unavailable

Part no. 6R0121447E

Volkswagen Polo 6R Water Hose Radiator Coolant Cooling Pipe Line 6R0121447E

Product currently unavailable

Part no. 6R0122109

Coolant Hose VW Polo 6R Seat Ibiza 6J 1.2 TSI Petrol CBZB Water Line 6R0122109

Product currently unavailable

Part no. 079121481G

Cooling Hose Audi S4 B7 4.2 V8 Petrol Coolant Pipe Line 079121481G

Product currently unavailable

Part no. A1775017201

Mercedes W177 Water Hose Coolant Cooling Pipe Line A1775017201

Product currently unavailable

Part no. A2038305496

Water Hose Mercedes W203 W209 OM646 Cooling Coolant Pipe Line A2038305496

Product currently unavailable

Part no. 254511H110

Kia Ceed 1 ED Water Hose Engine Cooling Radiator Coolant Pipe 25451-1H110

Product currently unavailable

Part no. A9065280124

Mercedes Sprinter W906 Air Intake Inlet Hose Charge Pipe Line Diesel A9065280124

Product currently unavailable

Part no. 6R0121109

Volkswagen Polo 6R Water Hose Radiator Coolant Cooling Pipe Line 6R0121109

Product currently unavailable

Part no. 1C0121086L

Volkswagen Beetle 1.6 Petrol Water Coolant Pipe Hose Line 1C0121086L

Product currently unavailable

Part no. 80A122055AK

Audi SQ5 FY Water Hose Cooling Radiator Coolant 80A122055AK

Product currently unavailable

Part no. 059121465A

Audi A7 4G 3.0 TDI Quattro Water Hose Cooling Radiator Pipe Line 059121465A

Product currently unavailable

Part no. 7615608

Cooling Hose BMW E84 N20 20i Petrol Radiator Water Coolant Pipe Line 7615608

Product currently unavailable

Part no. 06J133781CA

Skoda Octavia RS 1Z Fuel Tank Carbon Canister Control Valve Pipe 06J133781CA

Product currently unavailable

Part no. A2125013725-1

Mercedes W212 Diesel OM651 Bleed Line Radiator Expanion Tank Hose A2125010825

Product currently unavailable

Part no. A6395015782

Mercedes W639 OM642 Water Hose Radiator Cooling Coolant Pipe Line A6395015782

Product currently unavailable

Part no. 6R0122447K

Audi A1 8X Water Pipe Hose Line Engine Cooling Hose 6R0122447K 6R0122447AM

Product currently unavailable

Part no. 8R0121071H

Audi Q5 8R Coolant Water Hose Line Tube Pipe 8R0121071H

Product currently unavailable

Part no. A2475010582

Coolant Hose Mercedes W177 W247 Cooler Radiator To Thermostat Line A2475010582

Product currently unavailable

Part no. 8571619-1

BMW X3 F25 N47N Radiator Coolant Hose Pipe Line Diesel 8571619

Product currently unavailable

Part no. 9684684280

Water Hose Peugeot 3008 Citroen Berlingo Cooling Coolant Pipe Line 9684684280

Product currently unavailable

Part no. 04L121058AA

Audi TT FV A5 F5 Water Hose Cooling Coolant Pipe Line 2.0 TDI Diesel 04L121058AA

Product currently unavailable

Part no. 1K0121096AB

VW Golf MK5 Audi Seat Skoda 1.9 TDI Water Hose Coolant Pipe Line 1K0121096AB

Product currently unavailable

Part no. A2135012582

Mercedes A238 M276 Petrol Radiator Coolant Hose Pipe Line Tube A2135012582

Product currently unavailable

Part no. 7800107

Coolant Hose BMW F01 F10 N57 Radiator Water Cooling Pipe Line 7800107

Product currently unavailable

Part no. 6R0122101CA

Audi A1 8X Coolant Hose Water Pump Pipe Cooling Line 1.4 Petrol 6R0122101CA

Product currently unavailable

Part no. 4F0121055J

Audi A6 C6 Water Hose Coolant Cooling Tube Pipe Line 4F0121055J

Product currently unavailable

Part no. A1645062135

Mercedes-Benz M-Class ML W164 Water Coolant Hose Pipe Line A1645062135

Product currently unavailable

Part no. 8572906

Coolant Hose BMW G30 G31 G11 G12 G14 G15 Diesel B57 Radiator Water Line 8572906

Product currently unavailable

Part no. A2115014782

Water Hose Mercedes W211 CLS W219 Cooling Radiator Coolant Pipe Line A2115014782

Product currently unavailable

Part no. A6262030702

Mercedes W205 Coolant Water Hose Pipe Line Cooler A6262030702

Product currently unavailable

Part no. 99610650105

Porsche Boxster 986 Radiator Heater Coolant Hose Line Tube Pipe 99610650105

Product currently unavailable

Part no. A2700180800

Mercedes W176 W246 Engine Bleed Pipe Pressure Hose Line M270 Petrol A2700180800

Product currently unavailable

Part no. A2058309005-1

Heating Line Mercedes W205 Return Water Hose To Circulation Pump A2058309005

Product currently unavailable

Part no. 6765680

BMW E60 E61 525d 530d 535d Radiator Return Line Hose Pipe 6765680

Product currently unavailable

Part no. A2475010700

Mercedes X118 W177 W247 Water Coolant Pipe Hose Line A2475010700

Product currently unavailable

Part no. A2055012225

Mercedes W205 OM651 Coolant Radiator Expansion Tank Bleed Line A2055012225

Product currently unavailable

Part no. 7535742

Coolant Hose BMW E65 E66 N62N Radiator Cooling Water Pipe Line 7535742

Product currently unavailable

Part no. 9811352

Water Hose Mini R60 R61 Coolant Radiator Pipe Line Cooling Petrol 9811352

Product currently unavailable

Part no. A1645010082

Mercedes ML W164 GL X164 Engine Water Coolant Pipe Hose Radiator A1645010082

Product currently unavailable

Part no. 6C1118K579BD

Ford Transit Mk7 V Water Hose Engine Cooling Radiator Coolant Pipe 6C1118K579BD

Product currently unavailable

Part no. 6R0121101K

VW Volkswagen Polo 6R 5 Water Hose Radiator Coolant Cooling Pipe Line 6R0121101K

Product currently unavailable

Part no. A2135017400

Mercedes A238 Water Coolant Filling Hose Pipe Line A2135017400

Product currently unavailable

Part no. 8J0121051Q

Audi TT Mk2 8J 2.0 TDI Engine Water Coolant Pipe Hose Line 8J0121051Q

Product currently unavailable

Part no. 8K1819376J

Audi A5 8T 2.0 TFSI Water Hose Cooling Coolant Radiator Pipe Line 8K1819376J

Product currently unavailable

Part no. 06L121492M

Audi Q5 FY Cooling Coolant Hose Pipe Line 2.0 TFSI 06L121492M

Product currently unavailable

...

Showing 1684-1782 of 2257 products

Flexible and rigid cooling hoses – durability and fit for popular models

Rubber and silicone hoses for cooling systems – temperature and pressure resistance

Cooling system hoses and lines are key components that enable coolant circulation between the radiator, water pump, thermostat, and engine. Their efficiency and tightness are essential for proper cooling system operation and preventing engine overheating. At Global Parts, you'll find a wide selection of used car parts., including cooling system hoses and pipes, ideal for BMW , Audi , Mercedes , Volkswagen , Mini and others .

What is the difference between flexible and rigid cooling system hoses?

Flexible cooling hoses made of EPDM rubber or silicone help compensate for engine vibrations and pressure changes. Rigid hoses (e.g., aluminum or PA12 plastic) are used where dimensional stability and resistance to high temperatures—up to 150–180°C —are required. Modern vehicles often use a combination of both types, ensuring optimal coolant flow and longer system life.

What are the functions of cooling system hoses and pipes ?

Cooling system hoses and lines play a key role in regulating engine operating temperature: Coolant Transport – Hoses and lines connect key components of the cooling system, allowing coolant to flow throughout the system. Overheating Prevention – By circulating the coolant, they maintain the proper operating temperature of the engine, preventing it from overheating. Adequate flexibility and tightness – The materials from which the lines and hoses are made ensure their resistance to high temperatures, pressure and the effects of coolant. Efficient cooling system hoses and lines are essential for the efficient operation of the entire cooling system.

Construction and technical parameters of cooling pipes

A typical cooling system hose consists of several layers: a protective outer layer, a reinforcing layer (reinforced with synthetic fiber), and an inner layer that is chemically resistant to coolants. The operating pressure of such hoses is typically 1–2 bar, and their peak strength can reach up to 5 bar . The use of appropriate materials prevents hose cracking during rapid temperature changes, especially in cars with turbocharged engines. Cooling system hoses, commonly known as radiator hoses, can be made of various materials – most commonly EPDM rubber or silicone, which can withstand temperatures from -40°C to as much as +150°C. High-performance vehicles, such as the BMW M series or Audi S-Line, use silicone hoses with a reinforced textile construction, ensuring longer life and resistance to operating pressures above 2 bar. Flexible hoses compensate for engine vibrations, while rigid sections (e.g., aluminum) ensure stability at high fluid flow rates.

Why is it worth taking care of cooling system hoses and pipes ?

Damaged or worn cooling system hoses and lines can lead to serious cooling system problems. Common symptoms include: Coolant Leak – Leaks in lines or hoses can lead to leaks and a drop in coolant level. Engine Overheating – Restricted coolant flow due to damaged hoses can lead to engine overheating. Noises and vibrations – Improper mounting or damaged hoses can cause vibrations and noises during system operation. At Global Parts, we offer original used cooling system hoses and lines that have undergone detailed quality tests, ensuring their durability and tightness.

Symptoms of damage and compatibility of cooling hoses - table

Fault symptom	Possible cause	Recommended action
Coolant level drop	Microleak in the pipe	Cooling system hose replacement
Engine overheating	Clogged hose or kink	Checking for patency, replacement
Vibration or gurgling	Loose cable connections	Tightening the clamps, checking the handles
Low engine operating temperature	Too much flow – no resistance	Thermostat operation check

How to choose the right cooling system hoses and pipes ?

When selecting cooling system hoses and lines, there are several key aspects to consider: Vehicle-specific fit – Every cooling system has its own specific technical requirements. At Global Parts, you'll find cooling system hoses and lines perfectly suited to BMW , Audi , Mercedes , Volkswagen , Mini , and more. Technical Condition – Make sure that the lines and hoses are free from cracks, bulges and other damage. Material resistance – Choose hoses and lines made of materials that are resistant to high temperatures and operating fluids.

Parts selection procedure

To select the correct cooling system hose, it's best to use the vehicle's VIN or the OEM part number. The Global Parts system automatically searches by engine code or part number, minimizing the risk of incorrect matching. This ensures that the hoses are fully compatible with the water pump, radiator, and thermostat, ensuring the entire system maintains its factory seal.

Why choose used cooling system hoses and pipes ?

Used car parts , such as cooling system hoses and lines, are a practical solution that allows you to save money while maintaining high quality. By choosing used cooling system hoses and lines, you gain: Lower costs – Used components are much cheaper than new ones, but offer equally high quality. Ecology – Recycling car parts supports environmental protection and reduces waste. A wide range – In our store you will find cooling system hoses and pipes for the most popular car brands.

How to take care of cooling system hoses and pipes ?

To ensure that cooling system hoses and lines function reliably for a long time, it is important to follow a few rules: Regularly check the condition of lines and hoses to prevent coolant leaks. Monitor the coolant level – a sudden drop may indicate a leak in the lines. Replace damaged or worn components in time to avoid more serious cooling system problems. If you need a replacement, you'll find the right used car parts at Global Parts that will restore full efficiency to your cooling system.

FAQ - Frequently asked questions about cooling system hoses and lines

Question	Answer
What is the purpose of the cooling system hose?	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.
What is the difference between a silicone hose and a rubber hose?	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.
How do you know if your cooling hose needs replacing?	Symptoms include leaks, cracks, flattening, or soft material. It's also worth looking for signs of corrosion at the joints.
Are the cooling system hoses universal?	No. Each car model has hoses with specific diameters, lengths, and bend angles – so compatibility with a specific engine or OEM designation is important.
Do cooling system hoses affect engine performance?	Yes, indirectly. An efficient cooling system maintains optimal operating temperatures, which translates into stable power and lower fuel consumption.
How often should you replace your cooling system hoses?	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.
Where to buy cooling system hoses in good condition?	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.

Summary: Cooling System Hoses and Pipes at Global Parts Automotive Store

Cooling system hoses and lines are key components that ensure efficient coolant flow and maintain optimal engine operating temperatures. By maintaining their technical condition, you can avoid costly repairs and extend the engine's lifespan. The Global Parts automotive store invites you to browse our extensive selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , and more, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .

bmw car parts used car parts genuine parts volkswagen genuine parts motor store genuine used mercedes parts original used parts for mini bmw coolant hoses mercedes coolant hoses mini coolant hoses audi coolant hoses volkswagen coolant hoses