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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In Stock
Price
Part no. 4H0121485AA
Audi A8 D4 3.0 TDI Diesel Engine Water Coolant Pipe Hose Line 4H0121485AA
€23.95
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7500735
BMW 5 X5 Series E53 X5 M54 3.0i Suv Water Pipe Cooling Hose 7500735
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 6938433
Coolant Water Hose BMW E65 730i N52 Engine Water Valve Pipe Hose Supply 6938433
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. BK3Q8K512BD
Ford Transit MK8 2.2 TDCI Water Hose Radiator Coolant Pipe Line BK3Q8K512BD
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 03L121065K
Audi A4 B8 A5 8T 2.0 TDI Hose Thermostat Coolant Pipe Line 03L121065K
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 5Q0122157AB
Coolant Pipe Audi S1 8X S3 8V VW Golf R Mk7 2.0 TSI TFSI Water Hose 5Q0122157AB
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 1475565
Mini Cooper One R50 W10 Coolant Water Hose Pipe Expention Tank 1475565
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 3421989
BMW X3 Series E83 LCI Coolant Hose Pipe Line Tube 3421989
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7639997
BMW F20 F30 F32 N20 Engine Coolant Radiator Water Feed Hose Pipe Petrol 7639997
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 1K0122101KN
VW Volkswagen Caddy Maxi Engine Radiator Coolant Hose Pipe Line 1K0122101KN
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 1K0121096C
Volkswagen Golf MK5 Engine Water Coolant Pipe Hose 1K0121096C
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 1K0122063K-1
Seat Leon Volkswagen Golf 6 Audi A1 8X Water Coolant Pipe Hose Line 1K0122063K
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 04L121064AE
Volkswagen Seat Skoda Audi 2.0 TDI Water Coolant Pipe Hose Line 04L121064AE
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A2058303104
Coolant Hose Mercedes W205 Diesel OM651 Engine Cooling Heating Line A2058303104
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 3422606
BMW X3 Series E83 LCI Engine Water Valve Pipe To Engine Coolant Hose 3422606
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A9075282300
Mercedes Sprinter W907 Diesel Intercooler Left N/S Hose Air Line A9075282300
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A2108328494
Heater Hose Mercedes W210 E200 Petrol M111 Recirculating Pump To Engine Line
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7575435
Water Hose BMW F10 F11 F12 F13 Petrol Engine N63 Coolant Pipe Line 7575435
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A2662000052-1
Coolant Hose Mercedes W169 W245 M266 Water Pipe A2662000052
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 03C121497F
Audi A1 8X Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C121497F
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 04L121065AJ
Volkswagen Seat Skoda Audi 2.0 TDI Water Coolant Pipe Hose Line 04L121065AJ
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 06D121071R
Audi A4 B7 2.0 TFSI BGB Water Coolant Hose Tube Line Pipe 06D121071R
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A1111400140
Mercedes-Benz C 180 W203 M111 EGR Valve Bracket Mount Holder A1111400140
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 038121086M
Audi A4 B7 Water Cooling Coolant Pipe Hose Line 2.0 TDI 038121086M
€23.95
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A2125015782
Coolant Pipe Mercedes W212 W218 Expansion Overflow Tank Cooling Hose A2125015782
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A6420701433-1
Mercedes W164 OM642 Fuel Injection Line Pressure Pipe Rail Injector A6420701433
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 6C0122109E
Audi A1 8X 1.6 TDI Diesel Engine Water Coolant Pipe Hose Line Tube 6C0122109E
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 1K0121063J
Audi TT 8J Water Coolant Hose Pipe Line Tube 1K0121063J
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A2742001682-1
Mercedes W204 M274 Petrol Engine Coolant Hose Water Line Pipe A2742001682
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A2742030302
Cooling Hose Mercedes W204 W205 W212 Water Coolant Pipe Line A2742030302
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A6512002300
Mercedes Vito W639 Coolant Hose EGR Cooler Feed Line OM651 Diesel A6512002300
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A2468304596
Water Hose Mercedes W176 W246 Diesel OM651 Cooling Coolant Pipe A2468304596
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 7649300
Coolant Radiator Line BMW F20 F21 F22 F23 F30 F32 F33 F36 Pipe Hose Tube 7649300
€51.95
Free delivery - Tue, Oct 28
If paid before 14:00
-5%
Part no. 6911001
BMW E60 E60N E61 E61N E63 Hose For Water Valve And Radiator
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 9243891
BMW 1 3 Series F20 F21 F30 F31 Hose Heater Core Engine Feed 9243891
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A2108325694
Mercedes-Benz E-Class W210 Diesel CDI Water Pipe Hose Heater Valve A2108325694
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A6082000300
Mercedes W177 OM608 Diesel Engine Coolant Cooling Pipe Line Hose A6082000300
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 6923944
BMW 5 6 Series E60 E60N E61 E61N LCI E63 Hose Additional Water Pump Water Valve
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 7603574
BMW F30 F32 xDrive Engine Oil Pump Suction Pipe Pickup Tube Petrol 7603574
Promo price
€113.95
€96.86
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7509965
Coolant Hose BMW X5 E53 Petrol Engine N62 Cooling System Water Line 7509965
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. A2742002582
Water Hose Mercedes W212 X253 M274 Cooling Coolant Pipe Line Tube A2742002582
Promo price
€42.95
€25.77
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 7800099
Coolant Hose BMW F01 F02 F10 F11 Radiator Water Cooling Pipe Diesel 7800099
€32.95
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 04L121026AF
Audi Q2 GA Diesel Thermostat Coolant Regulator Connector Pipe Hose 04L121026AF
€28.95
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 8509175
BMW F01 F10 F11 F12 Diesel Water Cooling Radiator 8509176
Promo price
€75.95
€64.56
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 8514068
BMW X3 F25 F26 Cooling Water Hose Coolant Pipe Radiator Line 8514068
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7509966
Coolant Hose BMW X5 E53 Petrol Engine N62 Cooling System Water Line 7509966
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 7788266
BMW X5 Series E53 3.0d M57N Cooling System Coolant Radiator Water Hose 7788266
€23.95
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A2055017984
Coolant Hose Mercedes W205 Diesel M651 Oil Cooler Water Hose A2055017984
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7797258
BMW 1 3 er E90 E91 E92 E93 N47 Diesel Radiator Bottom Thermostat Hose 7797258
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 8K0122293B
Audi A4 B8 Q5 8R Water Cooling Coolant Flange Pipe Hose 2.0 TDI 8K0122293B
€23.95
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 1C0121157L
VW Volkswagen New Beetle 1.9 TDI BSW Coolant Water Hose Pipe Line 1C0121157L
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 6939219
BMW Z4 er E85 E86 Cooling Radiator Expansion Tank Hose Pipe 6939219
Promo price
€26.95
€25.60
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 8510306
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F33 Coolant Hose Pipe Tube 8510306
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A2782000551
Mercedes W212 M157 Water Coolant Return Pipe Hose Line A2782000551
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A2135015782
Mercedes A238 M276 Petrol Water Coolant Pipe Hose Line Tube A2135015782
Promo price
€42.95
€36.51
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 8577059
Water Hose BMW X3 G01 X4 G02 Diesel Coolant Cooling Radiator Pipe Line 8577059
Promo price
€66.95
€40.17
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7789403
BMW X5 Series E53 3.0d M57N Engine Water Pipe Engine Coolant Hose 7789403
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7800107
Coolant Hose BMW F01 F10 N57 Radiator Water Cooling Pipe Line 7800107
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A2712300656
Mercedes C CLK W203 C209 Kompressor Air Conditioning Suction Pipe Line
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A2602004300
Mercedes W177 M260 Petrol Engine Coolant Cooling Hose Pipe Line A2602000300
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 7592652
Water Hose BMW F10 F11 F12 F13 N63 Petrol Cooling Coolant Pipe Line 7592652
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 6916090
BMW 5 6 Series E60 E61 E63 E64 Pipe Hose For Radiator And Engine Return 6916090
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 8514234
Coolant Hose BMW F10 F11 N47N Radiator Water Cooling Pipe Diesel 8514234
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7812944
BMW F30 F32 LCI 330d 335dX 430d 435dX Engine Radiator Coolant Hose Pipe Line
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 8V21-18K359-DA
Ford Fiesta Water Hose Engine Cooling Radiator Coolant Pipe 8V21-18K359-DA
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 93866075
Water Hose Renault Trafic 3 Opel Vivaro B Coolant Pipe Line 93866075
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 059129089
Audi Q7 4L Water Pipe Hose Line Engine Cooling Coolant Unit Hose 059129089
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. A1725011982
Mercedes SLK R172 M271 Water Coolant Pipe Cooling Hose A1725011982 A1728320294
Promo price
€42.95
€25.77
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7796870-1
Coolant Hose BMW E81 E87 LCI Diesel N47 Radiator Bottom Pipe Line 7796870
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 8689864
Coolant Hose BMW G20 G21 Z4 G29 Petrol B46 B48 Heater Return Line 8689864
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A4478320323
Mercedes W447 Water Hose Cooling Radiator Coolant Pipe Line A4478320323
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 8571595
BMW G20 G21 G30 G31 X5 G05 B57 Water Hose Heat Exchanger Pipe Line 8571595
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 04E122157BE
Coolant Pipe Seat Ibiza 6J VW Polo 5 1.2 TSI CBZB Turbocharger Cooling Line
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7786034
BMW E46 E60 E65 X3 E83 X5 E53 3.0d Diesel M57 M57N Turbo Air Pipe Hose 7786034
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 8K0819342J
Audi A5 8T 2.0 TDI Coolant Water Hose Line Cooling Tube Pipe 8K0819342J
€23.95
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. YC1Q-8K512-AB
Radiator Hose Ford Transit MK6 2.4 Tdci Coolant Water Line YC1Q-8K512-AB
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
Part no. 8W0122101B
Water Hose Audi A4 B9 A5 F5 Cooling Coolant Radiator Pipe Line 8W0122101B
€23.95
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 8571619-1
BMW X3 F25 N47N Radiator Coolant Hose Pipe Line Diesel 8571619
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 29
If paid before 14:00
-40%
Part no. 8091174
Coolant Pipe BMW X3 M F97 X4 M F98 Turbocharger Flow Line Hose Pipe 8091174
Promo price
€94.95
€56.97
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 4H2Q8592BE
Land Rover Range Sport L320 3.0 D Water Hose Coolant Pipe Line 4H2Q8592BE
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 06K121075AS
VW Polo 6C GTI Audi S1 8X 1.8 2.0 TFSI Water Coolant Pipe Hose Line 06K121075S
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7541077
BMW Z4 E85 Roadster Cabrio Radiator Cooling Coolant Water Hose 7541077
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 8571613
Coolant Hose BMW X3 F25 Engine Cooling Pipe Line N47N 18d 20dX 8571613
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A2782000651
Mercedes W212 M157 Water Coolant Feed Pipe Hose Line A2782000651
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 1J0121407D
Audi TT 8N Coolant Expansion Header Tank Bottle Reservoir Cap 1J0121407D
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 7514404
BMW Z4 Series E85 Cooling System Water Hose Pipe 7514404
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A1645280382
Mercedes W164 Air Intake Hose Intercooler Charge Pipe Line Diesel A1645280382
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A1688300415
Mercedes W168 Compressor Expansion Valve Suction Pipe A1688300415
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. A2702032902
Water Pipe Mercedes C117 W176 W246 M270 Coolant Hose Line A2702032902
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. YC1Q-8A582-AC
Ford Transit MK6 2.4 Tdci Coolant Hose Cooling Water Line YC1Q-8A582-AC
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 3401584
BMW X3 Series E83 E83N LCI 3.0d M57N2 Hose Engine Inlet Coolant Pipe 3401584
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 5N0121064H
Audi Q3 8U Volkswagen Tiguan 5N Coolant Hose Metal Pipe Radiator 5N0121064H
Promo price
€47.95
€40.76
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A1685011082
Mercedes A Class W168 Radiator Expansion Tank Bottom Coolant Hose A1685011082
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A6512003202-2
Water Hose Mercedes Sprinter W910 OM651 Heater Coolant Pipe Part A6512030200
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 5Q0121109S
Audi A3 8V Water Coolant Engine Cooling Flange Pipe Hose Line 5Q0121109S
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 4G0122101AE
Water Hose Audi A4 B8 A6 C7 2.0 TDI Cooling Radiator Pipe Line 4G0122101AE
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. 8513842
BMW F10 F20 LCI F30 F32 B47 Engine Cylinder Head Mounting Holder Loop 8513842
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
-15%
Part no. 7598496
Coolant Hose BMW F10 F11 F07GT Petrol N55 Thermostat Inlet Pipe 7598496
Promo price
€32.95
€28.01
Free delivery - Wed, Oct 29
If paid before 14:00
-5%
Part no. A1688350197
Mercedes A Class W168 Engine Heat Exchanger Matrix Coolant Hose A1688350197
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 29
If paid before 14:00
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 .