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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Category
Subcategory
Condition
In Stock
Price
-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: Feb 4 – 9
If paid before 14:00
-5%
Part no. 5Q0121070AF
Audi A3 8V Water Hose Cooling Coolant Radiator Pipe Line 5Q0121070AF
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 3Q0121070AG
Audi Q2 GA 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 3Q0121070AG
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 03C103465AA
Audi A1 8X Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C103465AA
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
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: Feb 4 – 9
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: Feb 4 – 9
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: Feb 4 – 9
If paid before 14:00
-15%
Part no. 1K0122101DK
Audi TT 8J 2.0 TFSI BWA Upper Radiator Coolant Hose Line Pipe Tube 1K0122101DK
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 1K0121070BD
Audi TT 8J Water Hose Cooling Tank Coolant Pipe Line 1K0121070BD
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 06H133514K
Audi A5 8T 2.0 TFSI CDNB Vacuum Solenoid Coolant Line Tube Hose Pipe 06H133514K
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 06K121085M
Audi VW Seat 2.0 TFSI Petrol Water Pipe Engine Coolant Hose Line 06K121085M
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 03L121071
Audi A4 B8 A5 8T A6 C6 Water Coolant Cooling Pipe Hose Line 2.0 TDI 03L121071
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8K0819334Q
Audi A5 S5 8T Coolant Water Hose Line Tube Pipe 3.0 TFSI 8K0819334Q
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8K0121049M
Water Pipe Audi A4 B8 A5 8T 2.0 TFSI Coolant Hose Line 8K0121049M
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8J0121124A
Audi RS3 8P Gearbox Oil Cooler Coolant Pipe Hose Line 2.5 TFSI CEPA 8J0121124A
€66.95
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 8K0819334AM
Audi A4 B8 2.0 TFSI CDNC Petrol Engine Coolant Hose Line Tube 8K0819334AM
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 1K0121157AG
VW Audi Seat Skoda 1.9 BXE TDI Diesel Water Hose Coolant Line 1K0121157AG
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 4F0819378F
Audi A6 C6 2.0 TFSI Coolant Water Heater Pipe Hose Line 4F0819378F
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 03L121157Q
Audi Q3 SE Water Hose Cooling Coolant Radiator Pipe Line Hose 03L121157Q
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 04L121071G
Audi A4 B9 2.0 TDI DETA Diesel Water Coolant Hose Pipe Tube Line 04L121071G
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 07L121053E
Audi S6 C6 S8 D3 Quattro 5.2 FSI V10 BSM Coolant Pipe Hose Water Line 07L121053E
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 1K0133366BK
Audi A3 8P FL TT 8J 1.8 Petrol CDAA Water Coolant Connection Hose 1K0133366BK
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 06K121132
Audi S3 8V Water Coolant Engine Cooling Flange Pipe Hose Line Petrol 06K121132
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 059121065EA
Audi A4 B9 A5 F5 Water Hose Cooling Coolant Radiator Pipe 3.0 TDI 059121065EA
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 4M0819350F
Audi Q7 4M Q8 Mk2 VW Touareg Mk3 Water Coolant Hose Line Tube Pipe 4M0819350F
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8W0122293AE
Audi A4 B9 2.0 TDI DETA Water Coolant Hose Line Tube Pipe 8W0122293AE
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
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: Feb 4 – 9
If paid before 14:00
Part no. 059121065FL
Audi A4 B9 Q7 4M 3.0 Diesel Coolant Water Hose Line Tube Pipe 059121065FL
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 06H121085C-1
Audi A4 B8 Water Hose Cooling Radiator Coolant Pipe Line 1.8 TFSI 06H121085C
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8J0201216C
Audi TT 8J Water Coolant Hose Line Return Tube Pipe 8J0201216C
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 03G121065R
Audi A4 B7 2.0 TDI BRE Water Coolant Pipe Hose Line 03G121071A
Promo price
€151.95
€91.17
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 06E121045J
Audi A4 B8 3.2 FSI Water Hose Radiator Coolant Pipe Line Tube 06E121045J
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 5Q0122109J
Audi S3 8V VW Volkswagen Golf 7 Water Coolant Pipe Hose Line Tube 5Q0122109J
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 059121071DE
Audi A4 B9 A5 8T Radiator Coolant Water Hose Line Tube Pipe 3.0 TDI 059121071DE
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 5N0122157AG
Audi Q3 8U 2.0 TFSI Water Pipe Hose Coolant Cooling Line 5N0122157AG
€37.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 5N0122073P
Audi Q3 8U Water Hose Cooling Radiator Coolant Pipe Line 5N0122073P
€37.95
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 8S0201801
Audi TT FV Petrol Activated Charcoal Tank Reservoir 8S0201801
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 059121065AT
Audi Q7 4L Water Hose Cooling Coolant Radiator Pipe Line 059121065AT
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 5Q0121058AE
VW Polo GTI AW Audi A3 8V Water Hose Cooling Coolant Pipe 2.0 TFSI 5Q0121058AE
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 6C0122101AM
Audi A1 8X 1.6 TDI Diesel Water Coolant Pipe Hose Cooling Line 6C0122101AM
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 6C0122109A
Audi A1 8X 1.4 TFSI Engine Water Coolant Pipe Hose Line Tube 6C0122109A
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 6C0122101E
Audi A1 8X 1.4 TFSI Water Coolant Pipe Hose Cooling Line 6C0122101E
Promo price
€42.95
€36.51
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 1K0122291BM
Audi A3 8P 2.0 TDI Water Hose Radiator Coolant Pipe Line 1K0122291BM
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 07K121499K
Audi RS3 8Y Water Pipe Engine Cooling Coolant Hose Line 2.5 TFSI 07K121499K
€142.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 04E121070AC
Audi A1 8X 1.4 TFSI CZCA Radiator Coolant Hose Line Tube Pipe 04E121070AC
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8R0819334AP
Audi Q5 8R Water Coolant Pipe Hose Line Tube 8R0819334AP
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 7L8122051B
Audi Q7 4L VW Touareg 7L 4.2 TDi Coolant Hose Water Pump Pipe 7L8122051B
Promo price
€32.95
€28.01
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8W0122073F
Audi A4 B9 2.0 Petrol Engine Automatic Coolant Hose Line Tube Pipe 8W0122073F
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 06E121083N
Audi A4 S4 B8 3.0 TFSI Water Hose Coolant Pipe Line Tube 06E121083N
Promo price
€37.95
€32.26
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 7L8121058A
Audi Q7 4L 4.2 TDI Coolant Hose Radiator Pipe Water Cooling Line 7L8121058A
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 8K0121055L
Audi A4 B8 Water Hose Cooling Coolant Radiator Pipe Line Diesel 8K0121055L
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 7L8121058
Audi Q7 4L 4.2 TDI Coolant Hose Radiator Pipe Water Cooling Line 7L8121058
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 4G0145931G
Audi A4 B8 A5 8T 2.0 TDI Water Coolant Pipe Hose Line 4G0145931G
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 059121065BK
Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line 2.7 TDI 059121070M
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 5N0921051A
Audi A3 8P 2.0 TDI Water Hose Radiator Coolant Pipe Line 5N0921051A
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 059121511G
Audi A5 8T Coolant Pipe Water Hose Cooling Line 2.7 TDI Diesel 059121511G
€32.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 4G0145909B
Audi A4 B8 A5 8T 2.0 TDI Water Coolant Pipe Hose Line 4G0145909B
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8J0121447D
Audi TT 8J 2.0 Petrol Engine Coolant Pipe Hose Line Tube 8J0121447D
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 06K121085M-1
Audi VW Seat Petrol Water Pipe Engine Coolant Hose Line 2.0 TFSI 06K121085M
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 4G0145910B
Audi A4 B8 A5 8T 2.0 TDI Water Coolant Pipe Hose Line 4G0145910B
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8W0819370C
Audi A4 B9 Water Hose Cooling Coolant Radiator Pipe Line 2.0 Petrol 8W0819370C
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8J0121447H
Audi TT 8J 2.0 TDI CFGB Engine Coolant Hose Pipe 8J0121447H
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8N0121051E
Audi TT 8N S3 8L Water Hose Coolant Radiator Pipe Line 1.8 Petrol 8N0121051E
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 059121071BJ
Audi A5 8T Radiator Coolant Water Hose Line Tube Pipe Diesel Engine 059121071BJ
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 06L121085AF
Audi Q5 FY A4 B9 8W 2.0 TFSI Petrol Engine Water Coolant Pipe Hose 06L121085AF
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 04E121070L
Volkswagen Audi Seat Skoda Engine Plastic Water Coolant Pipe Hose 04E121070L
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 04L121064E
Audi A3 8V VW Golf Mk7 Engine Water Coolant Pipe Hose Line Diesel 04L121064E
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 5Q0122051EJ
Audi A3 S3 8V 2.0 TFSI Engine Water Cooling Pipe Hose Line 5Q0122051EJ
€37.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 1K0122109BB
Audi A3 8P Coolant Reservoir Expansion Overflow Line Pipe Hose Tube 1K0122109BB
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 03L121071C
Audi A4 B8 2.0 TDI Water Hose Radiator Coolant Pipe Line 03L121071C
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 059121064D
Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line 059121070E
€28.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 03C121070M
Audi A1 8X Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C121070M
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 079121065BN-1
AUDI S5 8T 4.2 Petrol CAUA Coolant Pipe Left N/S Cooler Water Hose 079121065BN
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 06K121075Q
Audi S3 8V Water Hose Cooling Coolant Radiator Pipe Line 06K121075Q
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8J0201215H
Audi TT 8J 3.2 FSI Fuel Feed Pipe Line Hose 8J0201215H
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8E0121107AH
Audi A4 B7 2.0 TDI Water Hose Vent Coolant Radiator Pipe Line 8E0121107AH
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 03L122157AA
Audi A4 B8 Water Hose Radiator Coolant Pipe Line 2.0 TDI Diesel 03L122157AA
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8E0260707BK
Audi A4 B7 2.0 TDI Air Conditioning A/C Refrigerant Pipe Hose Line 8E0260707BK
€28.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8K0145921Q
Audi S5 8T 3.0 TFSI Radiator Upper Hose Line Pipe Left N/S 8K0145921Q
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 03L122157F
Audi A4 B8 2.0 TDI Water Hose Radiator Coolant Pipe Line 03L122157F
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8K0819342L
Audi S5 8T 3.0 TFSI Coolant Water Hose Line Cooling Tube Pipe 8K0819342L
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8K0819334AP
Audi S5 8T 3.0 TFSI Coolant Water Hose Line Tube Pipe 8K0819334AP
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8K1819376D
Audi A4 B8 8K A5 8T Petrol Engine Water Coolant Pipe Hose Line 8K1819376D
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 8K0819332B
Water Pipe Audi A5 S5 8T S4 B8 8K 3.0 TFSI V6 Coolant Hose Line 8K0819332B
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 1K0121070AQ
Audi TT 8J 2.0 TFSI Water Hose Coolant Pipe Line 1K0121070AQ
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 079121071CF-1
AUDI S5 8T Petrol 4.2 FSI V8 Coolant Hose Rear Engine Water Pipe 079121071CF
Promo price
€56.95
€34.17
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 059121399K
Audi SQ5 8R 3.0 TDI Diesel Coolant Hose Line Tube Pipe 059121399K
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 03L121071B
Coolant Pipe Audi A4 B8 A5 8T 2.0 TDI Water Cooling Line 03L121071B
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 5Q0122073R
Audi A3 8V Water Hose Coolant Pipe Line Tube 5Q0122073R
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 5WA122101AM
Audi S3 8Y 2.0 TFSI Coolant Water Hose Line Tube Pipe Connector 5WA122101AM
€56.95
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 03L121132AC
Audi A4 B8 A5 8T 2.0 TDI Water Coolant Thermostat Housing 03L121132AC
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 059121507AB
Audi A5 8T Engine Coolant Cooling Hose Pipe Line 3.0 TDI Diesel 059121507AB
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8K0819377C
Audi A5 8T Radiator Water Cooling Coolant Pipe Hose Line Diesel 8K0819377C
€23.95
Free delivery: Feb 4 – 9
If paid before 14:00
-40%
Part no. 5Q0121619D
Audi A3 8V Water Hose Cooling Coolant Radiator Pipe Line 5Q0121619D
Promo price
€66.95
€40.17
Free delivery: Feb 4 – 9
If paid before 14:00
Part no. 8R0145910B
Audi Q5 8R 2.0 TDI Quattro Water Hose Coolant Pipe Line 8R0145910B
€28.95
Free delivery: Feb 4 – 9
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: Feb 4 – 9
If paid before 14:00
-5%
Part no. 06E121065N
Audi Q5 8R 3.0 TFSI Water Hose Cooling Coolant Pipe Line 06E121065N
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
If paid before 14:00
-15%
Part no. 06H121085H
Audi A5 8T 2.0 TFSI Water Hose Cooling Radiator Coolant Pipe Line 06H121085H
Promo price
€28.95
€24.61
Free delivery: Feb 4 – 9
If paid before 14:00
-5%
Part no. 03L121065T
Audi A3 8P 2.0 TDI Hose Thermostat Coolant Pipe Line 03L121065T
Promo price
€23.95
€22.75
Free delivery: Feb 4 – 9
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 .