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.
Make
Category
Condition
In Stock
Price

-5%
Part no. A2035016382
Water Hose Mercedes W203 W209 M272 Expansion Tank Coolant Pipe Line A2035016382
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. A6110701133
Mercedes W639 OM646 Fuel Injection Pressure Pipe Rail Injector Set A6110701133
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 5N0121070G
Volkswagen Tiguan 1 5N 2,0 TDi Diesel Coolant Pipe Water Line 5N0121070G
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. A2720700535
Fuel Line Hose Mercedes W204 W211 W212 M272 DE35 High Pressure Pipe A2720700535
Promo price
€184.95
€110.97
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. A6395017482
Water Hose Mercedes Vito Viano W639 Cooling Coolant Pipe Line OM651 A6395017482
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7557364
BMW E60 E90 E91 F10 Radiator Coolant Pipe Hose Line 7557364
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. A2045010325
Coolant Hose Mercedes W204 C207 OM642 Radiator Expansion Tank Pipe A2045010325
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 04L121157S
Audi A4 B8 2.0 TDI Water Coolant Pipe Hose Line Tube 04L121157S
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6905943
BMW 3 Series E46 Heater Radiator Water Valve Pump Hose Pipe Line Diesel 6905943
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 2754423
Mini R55 R56 Water Coolant Hose Radiator Pipe Line W16 Diesel 2754423
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A1775017301
Mercedes W177 A35 AMG M260 Coolant Hose Radiator To Water Pump A1775017301
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8580972
Water Hose BMW G20 G21 G30 G31 X3 G01 Diesel Cooling Coolant Pipe Line 8580972
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 3Q0122058E
Audi Q2 GA 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 3Q0122058E
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00

-5%
Part no. 7N0122051F
Volkswagen Sharan 7N Water Pipes Hoses Coolant Cooling Line 7N0122051F
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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, Nov 05
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, Nov 05
If paid before 14:00

-5%
Part no. A6421401175
Mercedes W212 W222 OM642 Diesel EGR Exhaust Cooler Heat Exchanger A6421401175
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A2468303396
Water Hose Mercedes W176 W246 Heat Exchanger Cooling Coolant Pipe A2468303396
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8054850
Coolant Hose BMW X3 F97 X4 F98 Cooling Pipe Radiator Return Line 8054850
Promo price
€66.95
€40.17
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. A2435001400
Mercedes EQA350 H243 Electric Drive Battery Charger Coolant Hose A2435001400
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7521067
BMW E81 E87 E90 Petrol Radiator Engine Oil Cooling Hose Pipe 7521067
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A2742001382
Cooling Line Mercedes W204 W212 C253 Water Pipes Hoses Coolant A2742001382
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A1685011325
Mercedes-Benz A-Class W168 Water Coolant Hose Pipe Radiator A1685011325
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 1K0122109CD
Volkswagen VW Golf Mk6 Water Hose Coolant Pipe Line 1.4 TSI 1K0122109CD
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 057121073C
Audi Q7 4L 4.2 TDI Coolant Hose Pipe Hose Line 057121073C
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 04L121444J
Audi A3 8V 30 TDI DGTE Diesel Engine Coolant Hose Line Tube Pipe 04L121444J
€47.95
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. A9065010482
Coolant Hose Mercedes Sprinter W906 Diesel OM642 Radiator Water Line A9065010482
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 06F121133G
VW Volkswagen Golf 5 2.0 TSI BWA Petrol Engine Coolant Flange Hose 06F121133G
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 4G0145919AC
Water Pipe Audi A6 C7 A7 4G 2.0 TDI Hose Engine Cooling Coolant Line 4G0145919AC
Promo price
€47.95
€40.76
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 5Q0121070BQ
Audi S3 8V Water Hose Engine Coolant Cooling Pipe Line 5Q0121070BQ
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8054849
Coolant Hose BMW X3 F97 X4 F98 Cooling Pipe Radiator Return Line 8054849
Promo price
€66.95
€40.17
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9802103
Mini Cooper R60 R61 Cooling System Coolant Radiator Water Hose Pipe 9802103
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00

-15%
Part no. 7592649
Coolant Hose BMW F10 F11 F12 F13 F07 GT Petrol N63 Water Pipe 7592649
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 06K121075P
Audi A3 S3 8V Water Hose Radiator Coolant Pipe Line 2.0 Petrol 06K121075P
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 059121071AN
Audi A4 B7 2.7 TDI BPP Radiator Coolant Water Hose Line Tube Pipe 059121071AN
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 06J103221-1
Audi TT 8J 1.8 TFSI Tank Breather Ventilation Pipe Line 06J103221
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7645482
Water Coolant Hose BMW F45 Mini F60 Countryman Pipe Line 7645482
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. A2435000800
Mercedes EQA350 H243 Electric Coolant Hose Water Heater Line A2435000800
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9329652
Water Hose BMW F30 LCI B48X 330e Coolant Cooling Pipe Line Hose 9329652
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8K0819350A
Audi RS4 B8 4.2 FSI CFSA Coolant Hose Pipe Line Tube 8K0819350A
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7623677
BMW i3 I01 Coolant Hose Hybrid Rex Water Cooling Pipe Radiator 7623677
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. BK3Q-8K512-BA
Ford Transit MK8 2.2 TDCI Water Hose Radiator Coolant Pipe Line BK3Q8K512BA
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A2045280682
Mercedes W204 W212 Air Intake Hose Intercooler Charge Pipe Diesel A2045280682
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8514066
BMW F20 F30 LCI B47 Diesel Coolant Water Pump Pipe Hose EGR Cooler 8514066
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 7546064-1
BMW E60 E61 E63 E64 Petrol N52 Coolant Hose Radiator Top Water Line 7546064
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8053469
BMW X3 F97 X4 F98 Coolant Water Pump Hose Line Flow Electric Drive 8053469
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8054852
Coolant Hose BMW X3 M F97 X4 M F98 Water Pump Cooling Pipe Line Hose 8054852
Promo price
€85.95
€51.57
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. A2435000300
Coolant Line Mercedes EQA350 H243 Electric Drive System Cooling Hose A2435000300
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A6398324823
Mercedes W639 Heat Exchanger Water Coolant Hose Pipe A6398324823
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 4G0122293CA
Audi A4 B8 A6 C7 2.0 TDI Water Coolant Pipe Hose Line Tube 4G0122293CA
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7623678
Coolant Hose BMW i3 I01 Hybrid Rex Water Cooling Pipe Radiator 7623678
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 079121071BN
Audi A5 S5 8T 4.2 V8 FSI Solid Coolant Pipe Water Hose Line 079121071BN
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00

-5%
Part no. 06J133781BD
Audi TT 8J Water Hose Cooling Radiator Coolant Pipe Line 06J133781BD
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00

-5%
Part no. 8576812
Coolant Pipe BMW F40 F45 X1 F48 Mini F55 F56 B37B EGR Cooler Line Hose 8576812
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7800408
BMW 3 5 Series E90 E91 LCI E60 Oil Filter Cooler Connection 7800408
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 1K0122063K
Seat Leon Volkswagen Golf Mk6 Audi A1 8X Water Coolant Pipe Hose Line 1K0122063K
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 7541146
BMW E65 E66 740i 750i Radiator Coolant Ventilation Vent Pipe Hose 7541146
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8514079
Coolant Hose BMW F20 F21 LCI Expansion Tank Pipe Radiator B37 Diesel 8514079
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 1708808
Coolant Connector BMW E46 318i Petrol M43 Water Pump Thermostat Conector 1708808
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 1685830
Ford Transit Connect Coolant Hose Water Pipe Line 1.6 TDCI 1685830 9671124980
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9896566
Mini F55 F56 F57 F60 Heater Water Cooling Coolant Pipe Hose Line 9896566
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7636413
Coolant Hose BMW i3 I01 Hybrid Rex Water Cooling Pipe Electric Motor 7636413
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. BK3Q-9J280-AB
Ford Transit MK4 Diesel 2.2 TDCi Fuel Injection Line Pressure Pipe BK3Q-9J280-AB
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8K0121049AF
Audi A4 B8 2.0 TDI Water Coolant Hose Tube Line Pipe 8K0121049AF
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. A6512030902
Mercedes W447 OM651 Diesel Water Coolant Pipe Hose Line A6512030902
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A2045013182
Water Pipe Mercedes W204 OM642 Engine Cooling Radiator Coolant Hose A2045013182
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 06J133519A
Audi TT 8J Water Cooling Coolant Pipe Line Connector Bracket Holder 06J133519A
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 5N0121447C
VW Volkswagen Tiguan 5N Water Hose Coolant Cooling Tube Pipe Line 5N0121447C
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 7537108
Radiator Hose BMW X5 X6 E70 E71 3.0si N52N Coolant Line Pipe Petrol 7537108
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 04L131525C
Audi A4 B9 A5 8T Q5 FY Intercooler Hose Pipe Line 04L131525C
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6R0121063
Audi A1 8X Water Pipe Hose Line Engine Cooling Coolant Unit Hose 6R0121063
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7582895
Coolant Hose BMW F10 F11 F12 F13 F07 GT Petrol N63 Water Pipe 7582895
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 2459845
Ford Transit Mk8 Water Coolant Pipe Hose Line 2.0 EcoBlue GK21-8260-BD
€28.95
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 06A121065AP
Audi A3 8P Coolant Hose Water Pump Pipe Cooling Line 1.6 Petrol 06A121065AP
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A6512000451
Coolant Pipe Mercedes W212 Diesel OM651 Water Pump Flange Line A6512000451
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A9078300001
Water Hose Mercedes Sprinter W907 Heat Exchanger Coolant Feed Pipe A9078300001
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. Z16005526
Ford Transit Connect Mk2 Coolant Elbow Pipe Line 1.5 TDCI Z16005525
€42.95
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 3424499
BMW X3 Series E83N LCI Radiator Bottom Coolant Water Hose 3424499
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 059121465B
Coolant Pipe Audi A6 C7 Q7 4L 3.0 TDI Water Hose Line Tube 059121465B
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9236675
Coolant Hose BMW X3 F25 X4 F26 Diesel Heater Water Return Pipe Line 9236675
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 03C121070L
Audi A3 8P Water Hose Radiator Coolant Pipe Line Petrol 03C121070L
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8629958
Mini F55 F56 Petrol Turbo Charger Coolant Hose Oil Return Pipe Line 8629958
Promo price
€47.95
€40.76
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 059121075DJ
Audi Q7 4L Quattro Diesel 3.0 V6 TDI Engine Cooling Coolant Pipe 059121075DJ
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8514220
Coolant Hose BMW X5 F15 X6 F16 Diesel N57 Expansion Tank Water Pump Line 8514220
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. A2742000982
Mercedes W204 Coolant Hose Petrol M274 Cylinder Head Water Line A2742000982
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 1827185
Ford Fiesta MK7 1.6 TDCI Radiator Lower Hose Coolant Cooling Pipe Line 1827185
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 03F133514F
Volkswagen Polo 6R Water Radiator Pipe Hose Coolant Cooling Line 03F133514F
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. A2712002552
Water Pipe Mercedes W204 M271 Engine Cooling Radiator Coolant Hose A2712002552
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00

-5%
Part no. 06F121132G
Audi S3 8P 2.0 TFSI CDLA Coolant Flange Pipe Hose Line 06F121132G
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8C11-8C351-AA
Ford Transit Mk7 Water Hose Engine Cooling Radiator Coolant Pipe 8C11-8C351-AA
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 1475571
MINI R50 R52 Radiator Coolant Pipe Hose Line Petrol 1475571
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9674300080
Citroen Relay 35L 2.2HDI Fuel Injection Line Pressure Rail Injector 9674300080
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. A9078300102
Mercedes Sprinter W907 Water Coolant Pipe Hose Cooling Line A9078300102
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6C118W005EA
Ford Transit Mk7 V Water Hose Engine Cooling Radiator Coolant Pipe 6C118W005FB
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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 .