Cooling system hoses and lines
More informationAt 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.
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Part no. A6398324023
Mercedes Vito W639 Diesel Water Coolant Pipe Hose Line A6398324023
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Part no. A2435000900
Mercedes H243 Water Hose Radiator Coolant Cooling Pipe Line A2435000900
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Part no. 059121065DT
Audi SQ5 8R 3.0 TDI CGQB Radiator Water Hose Line Tube Pipe 059121065DT
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Part no. A1645062135
Mercedes-Benz M-Class ML W164 Water Coolant Hose Pipe Line A1645062135
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Part no. 07L121071M
Audi S8 D3 Water Cooling Liquid Hose Coolant Pipe Line 07L121071M
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Part no. A2475062800
Mercedes W177 W247 Water Hose Coolant Cooling Pipe Line A2475062800
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Part no. 7535742
Coolant Hose BMW E65 E66 N62N Radiator Cooling Water Pipe Line 7535742
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Part no. 7790090
BMW 5 Series E60 E61 520d Diesel M47N2 Intercooler Hose Turbo Air Charge Pipe
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Part no. 6R0121101K
VW Volkswagen Polo 6R 5 Water Hose Radiator Coolant Cooling Pipe Line 6R0121101K
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Part no. 6R0122447K
Audi A1 8X Water Pipe Hose Line Engine Cooling Hose 6R0122447K 6R0122447AM
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Part no. 7523260
BMW E87 N46 E90 E91 E92 Radiator Coolant Flow Adjustment Screw Drain Plug
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Part no. 7L6122447BB
VW Volkswagen Touareg 7L Water Pipe Hose Coolant Cooling Line 7L6122447BB
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Part no. 5N0121070M
Audi A3 8P Water Hose Cooling Radiator Coolant Pipe Line 5N0121070M
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Part no. 5Q0122051CM
Volkswagen Golf 5G 2.0 TDI Water Hose Radiator Coolant Pipe Line 5Q0122051CM
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Part no. 1K0122073GF
Audi A3 8P Water Hose Cooling Coolant Radiator Pipe Line 1K0122073GF
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Part no. A2055016100
Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line Petrol A2055016100
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Part no. A1645004175
Mercedes ML W164 Water Pipe Engine Cooling Coolant Hose Line A1645000175
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Part no. 1K0122447T
Volkswagen Audi Seat Skoda Water Hose Radiator Coolant Pipe Line 1K0122447T
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Part no. 7548239
BMW E81 E82 E87 Heater Water Cooling Coolant Pipe Hose Line 7548239
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Part no. 3C0122101EM
Audi A3 8P 2.0 TDI Water Hose Radiator Coolant Pipe Line 3C0122101EM
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Part no. A2208301196
Mercedes-Benz S-Class W220 Diesel Water Coolant Hose Pipe Radiator A2208301196
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Part no. 1709232
Coolant Connector BMW E46 Z3 Water Cooling Hose 1709232
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Part no. 8591944
BMW X3 G01 Water Hose Coolant Expansion Tank-Cylinder Head Pipe 8591944
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Part no. 8650984
BMW G20 Water Hose Radiator Coolant Cooling Tube Pipe Line 8650984
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Part no. 7L6122051T
Audi Q7 4L 3.0 TDI BUG Water Coolant Hose Pipe Line Tube 7L6122051T
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Part no. A2435004700
Mercedes EQA350 H243 Electric Drive Coolant Hose Water Line A2435004700
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Part no. 3AA122109B
Volkswagen Passat B7 Water Coolant Cooling Pipe Hose Line Diesel 3AA122109B
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Part no. A6401400975
EGR Exhaust Cooler Mercedes W169 W245 Heat Exchanger OM640 Diesel A6401400975
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Part no. 6C11-8B274-BC
Ford Transit Mk7 Water Hose Engine Cooling Radiator Coolant Pipe 6C11-8B274-BC
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Part no. A2125013825-1
Mercedes W212 Expansion Tank Cooler Cooling Pipe Hose Line A2125013825
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Part no. 8634285
BMW F20 F21 F30 LCI B48 Hose Coolant Pump Charge Air Cooler 8634285
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Part no. A2025015382
Mercedes-Benz W202 W208 Heat Exchanger Water Coolant Hose Pipe A2025015382
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Part no. 7E0121086H
VW Volkswagen Transporter T5 2.0 TDI CAAA Coolant Hose Pipe Line 7E0121086H
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Part no. A2035015582
Mercedes-Benz C W203 Kompressor Radiator Bottom Hose Pipe Petrol A2035015582
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Part no. A2048302696
Mercedes W204 C63 AMG Water Hose Cooling Coolant Pipe Line A2048302696
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Part no. 6R0121070M
VW Seat Skoda1.2 TDI CFWA Coolant Pipe Return Radiator Expansion Tank 6R0121070M
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Part no. 7542206
BMW 5 Series E60 E61 N52 Petrol Cooling System Coolant Return Hose Pipe 7542206
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Part no. A1715010182
Mercedes SLK R171 Hose Radiator Coolant Cooling Pipe Line A1715010182
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Part no. A2760180312
Mercedes W212 M276 Petrol Engine Crankcase Breather Pipe Hose Line A2760180312
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Part no. A6398325823
Mercedes Vito W639 Heat Exchanger Water Coolant Hose Pipe Line A6398325823
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Part no. 04L121131AD
Audi A5 8T Water Coolant Flange Pipe Hose Line 04L121131AD
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Part no. A2468304396
Mercedes W176 OM607 Diesel Water Coolant Hose Line Tube Pipe A2468304396
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Part no. A2055017601
Bleed Hose Mercedes W205 Coolant Expansion Tank To Radiator Line A2055017601
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Part no. BK218286BD
Ford Transit Mk7 2.2 TDCI Water Hose Cooling Coolant Pipe Line BK218286BD
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Part no. 7806706-1
BMW E60 E61 E65 Diesel M57N2 M57N Radiator Coolant Return Pipe Hose 7806706
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Part no. 6R0121157
Volkswagen Polo 6R Water Hose Radiator Coolant Pipe Line 6R0121157
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Part no. 1K0121157DQ
Volkswagen VW Scirocco Mk3 Water Hose Radiator Coolant Pipe Line 1K0121156CF
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Part no. 7548240
BMW E81 E82 E87 Hose Cooling System Pipe Return Line Thermostat Heating 7548240
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Part no. A1665001075
Mercedes GLE W166 Diesel Engine Water Coolant Hose Pipe Line Tube A1665001075
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Part no. A2055015400
Mercedes W205 Diesel OM651 Coolant Hose Radiator Auto Transmission Cooler Line
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Part no. 7540665
BMW E60 E61 E63 E64 N62N Coolant Suply Hose Radiator Water Pump Line 7540665
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Part no. 7811785
Mini Cooper D R55 R56 R57 LCI N47N Radiator Cooler Coolant Pipe Hose 7811785
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Part no. 7838214
BMW 3 E90 E92 E93 M3 Hose Radiator Top Thermostat Coolant Water Hoses 7838214
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Part no. A2115014782
Water Hose Mercedes W211 CLS W219 Cooling Radiator Coolant Pipe Line A2115014782
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Part no. A1332000053
Mercedes CLA W176 AMG M133 E20 Coolant Hose Cooling Water Pipe Line A1332000053
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Part no. 1K0122073S
Audi A4 B7 Water Hose Cooling Coolant Radiator Pipe Line 1K0122073S
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Part no. A4475014700
Mercedes Vito W447 Water Pipe Coolant Cooling Hose Line Heater Valve A4475014700
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Part no. A6462000252-1
Mercedes Vito Viano W639 OM646 Engine Coolant Water Pump Pipe Line A6462000252
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Part no. A0005061500
Mercedes H243 Engine Cooling System Coolant Water Valve Unit A0005061500
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Part no. A1725010358
Mercedes R172 Engine Radiator Coolant Hose Pipe A1725010358
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Part no. 2284417
Return Pipe BMW F10 M5 F12 F13 M6 Engine Radiator Water Coolant Hose 2284417
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Part no. A2135016982
Water Hose Mercedes W213 C238 C253 Diesel Engine OM642 Coolant Line A2135016982
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Part no. 8514234
Coolant Hose BMW F10 F11 N47N Radiator Water Cooling Pipe Diesel 8514234
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Part no. A4475010525
Bleed Line Mercedes W447 Diesel Coolant Hose Radiator Expansion Tank A4475010525
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Part no. A1332000951
Mercedes W176 M133 A45 AMG Coolant Pipe Hose Line Tube A1332000951
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Part no. 55210675
Coolant Hose Saab 93 9-3 1.9 Ttid Diesel Engine Water Hose 55210675
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Part no. 7848500
Coolant Hose BMW F80 M3 F82 M4 S55 Water Pump Cooling Pipe Line 7848500
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Part no. 8J0121051Q
Audi TT Mk2 8J 2.0 TDI Engine Water Coolant Pipe Hose Line 8J0121051Q
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Part no. 9X2Q8A544BA
Land Rover Range Sport L320 3.0d Water Pipe Coolant Hose Line 9X2Q-8A544-BA
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Part no. 5Q0122051BJ
Audi A3 8V 1.6 TDI CRKB Water Coolant Pipe Hose Line Tube 5Q0122051BJ
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Part no. CC11-18K579-BC
Ford Transit Mk7 V Water Coolant Pipe Hose Line 2.2 Diesel CC1118K579BC
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Part no. 7534918
Radiator Supply Hose BMW E60 E61 N62N Petrol Cooling Pipe Line 7534918
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Part no. 7N0122073T
Volkswagen VW Tiguan 5N Water Hose Coolant Cooling Tube Pipe Line 7N0122073T
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Part no. 8673124
Coolant Return Hose BMW F30 LCI 330e B48X Radiator Cooling Line Pipe 8673124
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Part no. 8571605
BMW X3 F25 X4 F26 N57N Coolant Cooling Pipe Line Water Hose 8571605
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Part no. A1775011101
Mercedes W177 Water Coolant Pipe Hose A1775011101
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Part no. 6C0122051F
Audi A1 8X 1.6 TDI Diesel Water Coolant Pipes Hoses Cooling Line 6C0122051F
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Part no. 3415043
Coolant Hose BMW X3 E83 3.0d M57N2 Water Cooling Pipe Radiator 3415043
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Part no. 8572905
Water Hose BMW G30 G31 G11 B57 Diesel Radiator Coolant Pipe Line 8572905
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Part no. A4475013182
Coolant Hose Mercedes W447 OM651 Radiator Engine Water Cooling Line A4475013182
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Part no. A2135019801
Coolant Hose Mercedes W213 C238 Diesel OM656 Water Line A2135019801
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Part no. 7811783
Mini Cooper D R55 R56 R57 LCI N47N Radiator Cooler Coolant Pipe Hose 7811783
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Part no. 210211534R
Water Hose Renault Trafic 2 Heater Cooling Coolant Pipe Line 210211534R
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Part no. A6398320393
Mercedes Vito Viano W639 Water Hose Cooling Coolant Radiator Pipe A6398320393
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Part no. A6398320823
Water Hose Mercedes Vito Viano W639 Cooling Coolant Pipe Line A6398320823
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Part no. A1725017282
Mercedes R172 M274 Engine Coolant Left N/S Cooler Hose Pipe Line A1725017282
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Part no. 7L6121058AN
Volkswagen Touareg 7L 3.0 TDI Water Hose Cooling Coolant Pipe Line 7L6121058AN
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Part no. 07K121492H
Audi RS3 8Y Engine Cooling Coolant Return Water Hose Line 2.5 Petrol 07K121497H
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Part no. 6R0121058D
VW Polo 5 Seat Ibiza 4 Skoda 1.2 TDI CFWA Coolant Radiator Hose 6R0121058D
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Part no. 1K0121086AH
Audi A3 8P VW Golf 5 Seat Leon 1P1 Coolant Hose Pipe Diesel 2.0 TDI 1K0121086AH
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Part no. 1K0122109CF
Water Coolant Pipe Volkswagen Audi Skoda Seat 1.6 TDI Cooling LIne 1K0122109CF
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Part no. A6395017982-1
Coolant Tube Mercedes W639 Coolant Water Pipe Line A6395017982
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Part no. 8R0819332N
Audi Q5 8R 2.0 TDI Engine Water Coolant Pipe Hose Line Diesel 8R0819332N
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Part no. 8E0121101AA
Audi A4 B7 2.0 TDI Water Hose Cooling Coolant Radiator Pipe Line 8E0121101AA
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Part no. 4G0121049L
Audi A7 4G 3.0 TDI CDUD Water Radiator Coolant Pipe Hose Tube Line 4G0121049L
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Part no. A6398320593
Mercedes Vito Viano W639 OM646 Water Coolant Hose Return Pipe Line A6398320593
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Part no. 2284686
BMW F80 M3 F82 F83 M4 Radiator Coolant Vent Pipe Hose Petrol
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Part no. 7843273
BMW F10 M5 F12 F13 M6 Pipe Water Pump Turbo Cooling Connecting Hose 7843273
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Part no. 06A121497Q
Audi TT 8N 1.8T AUM Turbo Coolant Return Feed Pipe Hose Line Tube 06A121497Q
Product currently unavailable
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 .