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. 03L122157Q
Audi A4 B8 A5 8T Coolant Pipe Water Cooling Line 2.0 TDI 03L122157Q
Promo price
PLN 61.95
PLN 58.85
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 5Q0121070AF
Audi A3 8V Water Hose Cooling Coolant Radiator Pipe Line 5Q0121070AF
Promo price
PLN 61.95
PLN 58.85
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 04L121065AK
Audi A5 8T Heater Water Cooling Coolant Pipe Hose Line 04L121065AK
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

Part no. 5Q0122101BE
Audi A3 8V Water Hose Radiator Coolant Pipe Line Diesel 5Q0122101BE
PLN 61.95
Free delivery: Feb 26
If paid before 14:00

-15%
Part no. 8K0121055E
Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line Diesel 8K0121055E
Promo price
PLN 85.95
PLN 73.06
Free delivery: Feb 26
If paid before 14:00

-15%
Part no. 1K0121070BD
Audi TT 8J Water Hose Cooling Tank Coolant Pipe Line 1K0121070BD
Promo price
PLN 61.95
PLN 52.66
Free delivery: Feb 26
If paid before 14:00

Part no. 06E121083G
Audi S4 B8 S5 8T Water Hose Coolant Pipe Line Tube 3.0 TFSI 06E121083G
PLN 113.95
Free delivery: Feb 26
If paid before 14:00

Part no. 04L122073B
Audi A3 8V 2.0 TDI Diesel Water Pipe Engine Cooling Coolant Hose Line 04L122073B
PLN 75.95
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 03L121157Q
Audi Q3 SE Water Hose Cooling Coolant Radiator Pipe Line Hose 03L121157Q
Promo price
PLN 61.95
PLN 58.85
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 8K1819376G
Audi A4 B8 8K 2.0 TDI CAGA Coolant Hose Heater Water Line 8K1819376G
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
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
PLN 75.95
PLN 64.56
Free delivery: Feb 26
If paid before 14:00

-15%
Part no. 04L121444J
Audi A3 8V 30 TDI DGTE Diesel Engine Coolant Hose Line Tube Pipe 04L121444J
Promo price
PLN 189.95
PLN 161.46
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 06J133781BE
Audi TT 8J Water Hose Cooling Radiator Coolant Pipe Line 06J133781BE
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

-5%
Part no. 1K0122291BM
Audi A3 8P 2.0 TDI Water Hose Radiator Coolant Pipe Line 1K0122291BM
Promo price
PLN 94.95
PLN 90.20
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 06K121132
Audi S3 8V Water Coolant Engine Cooling Flange Pipe Hose Line Petrol 06K121132
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
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
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

-5%
Part no. 06K121065Q
Audi TT FV Water Coolant Pipe Hose Line 06K121065Q
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

-5%
Part no. 5Q0121447G
Audi A3 8V VW Golf Mk7 Engine Coolant Pipe Water Hose Line 5Q012144
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

-5%
Part no. 03L122157F
Audi A4 B8 2.0 TDI Water Hose Radiator Coolant Pipe Line 03L122157F
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

-5%
Part no. 5Q0122109J
Audi S3 8V VW Volkswagen Golf 7 Water Coolant Pipe Hose Line Tube 5Q0122109J
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

-40%
Part no. 06M121481L
Audi A4 S4 B9 3.0 TFSI Petrol Water Coolant Pipe Hose Line 06M121481L
Promo price
PLN 284.95
PLN 170.97
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 03L121157AQ
Audi A4 B8 A5 8T 2.0 TDI Water Hose Cooling Radiator Pipe Line 03L121157AQ
Promo price
PLN 61.95
PLN 58.85
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 5Q0122073AB
Audi A3 8V 2.0 TFSI Water Coolant Hose Tube Line Pipe 5Q0122073AB
Promo price
PLN 61.95
PLN 58.85
Free delivery: Feb 26
If paid before 14:00

Part no. 079121137F
Audi S5 8T Cooling Coolant System Flange Rear Right O/S 079121137F
PLN 42.95
Delivery: Feb 26
If paid before 14:00

-15%
Part no. 057121597M
Audi Q7 4L 4.2 TDI Diesel Turbocharger Coolant Pipe Hose Right O/S 057121597M
Promo price
PLN 80.95
PLN 68.81
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 1K0121070AQ
Audi TT 8J 2.0 TFSI Water Hose Coolant Pipe Line 1K0121070AQ
Promo price
PLN 61.95
PLN 58.85
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 059121399
Coolant Hose Audi A6 C6 A4 B7 Q7 4L Diesel Left N/S Pipe Line Tube 059121399
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
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
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

-5%
Part no. 1K0121101CP-1
Volkswagen Golf Mk6 1.6 TDI Water Hose Cooling Coolant Pipe Line 1K0121101CP
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

Part no. 8W0122073L
Audi A4 B9 Water Hose Cooling Coolant Radiator Pipe Line 8W0122073L
PLN 75.95
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 1K0122109BB
Audi A3 8P Coolant Reservoir Expansion Overflow Line Pipe Hose Tube 1K0122109BB
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

-5%
Part no. 5Q0121109S
Audi A3 8V Water Coolant Engine Cooling Flange Pipe Hose Line 5Q0121109S
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

-5%
Part no. 04L121065AN
Audi A5 8T Water Coolant Pipe Hose Line Tube 04L121065AN
Promo price
PLN 61.95
PLN 58.85
Free delivery: Feb 26
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
PLN 94.95
PLN 80.71
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 8K0819342J
Audi A5 8T 2.0 TDI Coolant Water Hose Line Cooling Tube Pipe 8K0819342J
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

-5%
Part no. 03L121065T
Audi A3 8P 2.0 TDI Hose Thermostat Coolant Pipe Line 03L121065T
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

Part no. 5Q0122073AE
Audi Q3 8U Water Coolant Hose Tube Line Pipe 2.0 TDI DFTA Diesel 5Q0122073AE
PLN 75.95
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 06A121069C
Audi TT 8N Water Coolant Hose Pipe Cooling Line 1.8T Petrol 06A121069C
Promo price
PLN 94.95
PLN 90.20
Free delivery: Feb 26
If paid before 14:00

-15%
Part no. 04L121064AC
Audi A3 8V Engine Water Coolant Pipe Cooling Hose Line 04L121064AC
Promo price
PLN 94.95
PLN 80.71
Free delivery: Feb 26
If paid before 14:00

-15%
Part no. 8K0819337A
Audi A4 B7 2.0 TDI BRE Diesel Water Coolant Pipe Hose Line Tube 8K0819337A
Promo price
PLN 85.95
PLN 73.06
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 8K0121101P
Audi A4 B8 2.0 TDI Diesel Water Pipe Engine Cooling Coolant Hose Line 8K0121101P
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

Part no. 8J0121051Q-1
Audi TT Mk2 8J Water Coolant Pipe Hose Line 2.0 TDI Diesel Engine 8J0121051Q
PLN 56.95
Delivery: Feb 26
If paid before 14:00

-5%
Part no. 06F121132G
Audi S3 8P 2.0 TFSI CDLA Coolant Flange Pipe Hose Line 06F121132G
Promo price
PLN 94.95
PLN 90.20
Free delivery: Feb 26
If paid before 14:00

Part no. 8W0122101AA
Audi S4 B9 3.0 TFSI Petrol Coolant Water Hose Line Tube Pipe 8W0122101AA
PLN 61.95
Free delivery: Feb 26
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
PLN 61.95
PLN 58.85
Free delivery: Feb 26
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
PLN 94.95
PLN 90.20
Free delivery: Feb 26
If paid before 14:00

Part no. 4K0122101AT
Audi A6 C8 Water Pipe Hose Line Cooling Coolant 4K0122101AT
PLN 75.95
Free delivery: Feb 26
If paid before 14:00

Part no. 8N0121051E
Audi TT 8N S3 8L Water Hose Coolant Radiator Pipe Line 1.8 Petrol 8N0121051E
PLN 75.95
Free delivery: Feb 26
If paid before 14:00

-15%
Part no. 6R0122157AA
Audi A1 8X Water Pipe Hose Line Cooling Coolant Unit Hose 6R0122157AA
Promo price
PLN 42.95
PLN 36.51
Delivery: Feb 26
If paid before 14:00

-15%
Part no. 06A121065DP
Audi A3 8P 1.6 MPI Water Pipe Coolant Supply Metal Hose 06A121065DP
Promo price
PLN 94.95
PLN 80.71
Free delivery: Feb 26
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
PLN 113.95
PLN 96.86
Free delivery: Feb 26
If paid before 14:00

-40%
Part no. 5Q0121619D
Audi A3 8V Water Hose Cooling Coolant Radiator Pipe Line 5Q0121619D
Promo price
PLN 284.95
PLN 170.97
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 079121070BS
AUDI S5 8T 4.2 Petrol CAUA Coolant Pipe Right O/S Cooler Water Hose 079121070BS
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

Part no. 5N0122073P
Audi Q3 8U Water Hose Cooling Radiator Coolant Pipe Line 5N0122073P
PLN 142.95
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 057121057
Audi Q7 4L 4.2 TDI Water Coolant Pipe Hose Line 057121057
Promo price
PLN 61.95
PLN 58.85
Free delivery: Feb 26
If paid before 14:00

Part no. 8W0819370C
Audi A4 B9 Water Hose Cooling Coolant Radiator Pipe Line 2.0 Petrol 8W0819370C
PLN 42.95
Delivery: Feb 26
If paid before 14:00

Part no. 1K0122109BT
Volkswagen Golf Mk5 Audi A3 8P Water Hose Cooling Coolant Pipe Line 1K0122109BT
PLN 61.95
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 057121163C
Audi A8 D4 Q7 4L Engine Water Coolant Hose Pipe Line 4.2 TDI V8 057121163C
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

Part no. 06H121085C-1
Audi A4 B8 Water Hose Cooling Radiator Coolant Pipe Line 1.8 TFSI 06H121085C
PLN 61.95
Free delivery: Feb 26
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
PLN 75.95
PLN 72.15
Free delivery: Feb 26
If paid before 14:00

Part no. 07K121499K
Audi RS3 8Y Water Pipe Engine Cooling Coolant Hose Line 2.5 TFSI 07K121499K
PLN 569.95
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 03G121096
Audi A4 B8 2.0 TDI Water Hose Radiator Coolant Pipe Line 03G121096
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

-5%
Part no. 079121065P
Audi A4 B7 4.2 V8 Petrol Coolant Pipe Cooler Water Hose 079121065P
Promo price
PLN 61.95
PLN 58.85
Free delivery: Feb 26
If paid before 14:00

Part no. 5Q0122101BP
Audi A3 8V 2.0 TDI Water Hose Radiator Coolant Pipe Line Diesel 5Q0122101BP
PLN 94.95
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 8K0121101M
Water Pipe Audi A4 B8 A5 8T Q5 8R 2.0 TFSI Coolant Hose Line 8K0121101M
Promo price
PLN 75.95
PLN 72.15
Free delivery: Feb 26
If paid before 14:00

-15%
Part no. 06J121132G
Audi TT 8J A4 B8 Water Coolant Flange Pipe Hose Line 06J121132G
Promo price
PLN 47.95
PLN 40.76
Delivery: Feb 26
If paid before 14:00

Part no. 059121598AB
Audi A8 D4 Engine Water Coolant Pipe Hose Line Feed 3.0 TDI 059121598AB
PLN 123.95
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 03C121070L
Audi A3 8P Water Hose Radiator Coolant Pipe Line Petrol 03C121070L
Promo price
PLN 61.95
PLN 58.85
Free delivery: Feb 26
If paid before 14:00

Part no. 06M121137AH
Audi A4 B9 A5 F5 Water Coolant Pipe Hose Cooling Line 06M121137AH
PLN 61.95
Free delivery: Feb 26
If paid before 14:00

-15%
Part no. 059121511G
Audi A5 8T Coolant Pipe Water Hose Cooling Line 2.7 TDI Diesel 059121511G
Promo price
PLN 94.95
PLN 80.71
Free delivery: Feb 26
If paid before 14:00

-15%
Part no. 8K0819376F
Audi A4 B8 Q5 8R A5 8T Water Coolant Hose Pipe Line TFSI Petrol 8K0819376F
Promo price
PLN 75.95
PLN 64.56
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 1K0121096BH
Audi A3 8P Water Hose Cooling Radiator Coolant Pipe Line 1K0121096BH
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

Part no. 5Q0122447AQ
Audi A3 8V Water Pipe Engine Cooling Radiator Coolant Hose 2.0 TDI 5Q0122447AQ
PLN 42.95
Delivery: Feb 26
If paid before 14:00

-5%
Part no. 059129089
Audi Q7 4L Water Pipe Hose Line Engine Cooling Coolant Unit Hose 059129089
Promo price
PLN 61.95
PLN 58.85
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 1K0121157BJ
Audi A4 B7 2.0 TDI Diesel Water Hose Cooling Coolant Pipe Line 1K0121157BJ
Promo price
PLN 56.95
PLN 54.10
Delivery: Feb 26
If paid before 14:00

-15%
Part no. 04L121026AF
Audi Q2 GA Diesel Thermostat Coolant Regulator Connector Pipe Hose 04L121026AF
Promo price
PLN 94.95
PLN 80.71
Free delivery: Feb 26
If paid before 14:00

-40%
Part no. 5N0121064H
Audi Q3 8U Volkswagen Tiguan 5N Coolant Hose Metal Pipe Radiator 5N0121064H
Promo price
PLN 189.95
PLN 113.97
Free delivery: Feb 26
If paid before 14:00

-15%
Part no. 079121081B
Audi S7 4G 4.0 TFSI Coolant Hose Engine Water Pipe Front Upper 079121081B
Promo price
PLN 113.95
PLN 96.86
Free delivery: Feb 26
If paid before 14:00

-15%
Part no. 5Q0122101GH
Audi A3 8V 35 TDI DFGA Water Coolant Hose Line Pipe Tube 5Q0122101GH
Promo price
PLN 189.95
PLN 161.46
Free delivery: Feb 26
If paid before 14:00

-15%
Part no. 8E0121049L
Audi A4 B7 2.0 Petrol Water Hose Cooling Radiator Coolant Pipe Line 8E0121049L
Promo price
PLN 42.95
PLN 36.51
Delivery: Feb 26
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
PLN 47.95
PLN 40.76
Delivery: Feb 26
If paid before 14:00

Part no. 06E121083M
Audi S4 B8 S5 8T 3.0 TFSI CRE Supercharger Coolant Hose Pipe Line 06E121083M
PLN 142.95
Free delivery: Feb 26
If paid before 14:00

-15%
Part no. 05L122157AS
Audi A4 B9 A5 F5 Water Cooling Coolant Pipe Hose Line 2.0 TDI 05L122157AS
Promo price
PLN 94.95
PLN 80.71
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 04L131525C
Audi A4 B9 A5 8T Q5 FY Intercooler Hose Pipe Line 04L131525C
Promo price
PLN 61.95
PLN 58.85
Free delivery: Feb 26
If paid before 14:00

-15%
Part no. 8R0121049J
Audi Q5 8R 2.0 TDI Coolant Water Hose Cooling Unit Line Tube Pipe 8R0121049J
Promo price
PLN 94.95
PLN 80.71
Free delivery: Feb 26
If paid before 14:00

Part no. 4G0122101B
Audi A6 C7 3.0 TDI Diesel Radiator Upper Hose Line Pipe Left N/S 4G0122101B
PLN 42.95
Delivery: Feb 26
If paid before 14:00

Part no. 8K0819334BB
Audi A4 B8 2.0 TDI CNHC Water Coolant Hose Line Pipe 8K0819334BB
PLN 61.95
Free delivery: Feb 26
If paid before 14:00

-15%
Part no. 06M121071E
Audi SQ5 FY 3.0 TFSI Water Hose Cooling Radiator Coolant Pipe Line 06M121071E
Promo price
PLN 56.95
PLN 48.41
Delivery: Feb 26
If paid before 14:00

-5%
Part no. 8K0145921Q
Audi S5 8T 3.0 TFSI Radiator Upper Hose Line Pipe Left N/S 8K0145921Q
Promo price
PLN 61.95
PLN 58.85
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 07L121070Q
Audi S8 D3 Quattro 5.2 FSI V10 BSM Coolant Pipe Right Water Line 07L121070Q
Promo price
PLN 61.95
PLN 58.85
Free delivery: Feb 26
If paid before 14:00

Part no. 8K1819350BB
Audi A4 B8 A5 8T 2.0 TDI Water Coolant Hose Pipe Line 8K1819350BB
PLN 42.95
Delivery: Feb 26
If paid before 14:00

Part no. 7L6122109E
Porsche Cayenne 9PA Audi Q7 4L Water Hose Cooling Radiator Pipe 7L6122109E
PLN 284.95
Free delivery: Feb 26
If paid before 14:00

-5%
Part no. 5N0122073AC
Audi Q3 8U Water Hose Cooling Radiator Coolant Pipe Line 5N0122073AC
Promo price
PLN 47.95
PLN 45.55
Delivery: Feb 26
If paid before 14:00

-15%
Part no. 8W0122291AK
Audi A4 B9 35 TFSI DMSB Petrol Water Coolant Hose Line Tube Pipe 8W0122291AK
Promo price
PLN 161.95
PLN 137.66
Free delivery: Feb 26
If paid before 14:00

Part no. 3C0122101BM-1
Audi A3 8P Water Coolant Pipe Line Hose Cooling Unit 2.0 TDI 3C0122101BM
PLN 61.95
Free delivery: Feb 26
If paid before 14:00

-15%
Part no. 057121075AF
Audi Q7 4L 4.2 TDI Water Coolant Pipe Hose Tube Line 057121075
Promo price
PLN 94.95
PLN 80.71
Free delivery: Feb 26
If paid before 14:00

Part no. 04L121157
Audi A4 B8 A6 C7 Water Coolant Pipe Hose Line Tube Right O/S 2.0 TDI 04L121157
PLN 42.95
Delivery: Feb 26
If paid before 14:00

-5%
Part no. 03L121121A
VW Volkswagen Touran 1T1 Passat 2.0 TDI BKD BMP Coolant Flange Pipe 03L121121A
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
If paid before 14:00

-5%
Part no. 5Q0121619A
Audi A3 8V TT FV VW Golf Mk7 Water Coolant Connector Flange Diesel 5Q0121619A
Promo price
PLN 42.95
PLN 40.80
Delivery: Feb 26
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 .