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
-15%
Part no. 04L122157CC
Audi A4 B9 2.0 TDI Diesel Engine Coolant Hose Line Pipe Tube 04L122157CC
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 079121070T
Audi A4 B7 4.2 V8 Coolant Pipe Hose Line Tube Cooling 079121070T
Promo price
€37.95
€32.26
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 06D121132A
Audi A4 B7 Water Coolant Flange Pipe Hose Line 2.0 TFSI 06D121133C
€23.95
Free delivery: Feb 18 – 23
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 18 – 23
If paid before 14:00
-5%
Part no. 079121065P
Audi A4 B7 4.2 V8 Petrol Coolant Pipe Cooler Water Hose 079121065P
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 7L8121065K
Audi Q7 4L 4.2 TDI Water Coolant Pipe Hose Line 7L8121070G
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 7L8121058C
Audi Q7 4L 4.2 TDI Water Coolant Pipe Hose Line 7L8121058C
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 8K0145673AM
Audi A5 8T 2.0 CNCD Petrol Intercooler Pipe Hose Line Tube 8K0145673AM
Promo price
€47.95
€40.76
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 8W0122101H
Audi A4 B9 2.0 TDI Diesel Coolant Water Hose Line Tube Pipe 8W0122101H
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 04L121058H
Audi TT FV Q3 8U Water Hose Cooling Coolant Pipe Line 2.0 TDI Diesel 04L121058H
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 057121057
Audi Q7 4L 4.2 TDI Water Coolant Pipe Hose Line 057121057
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
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 18 – 23
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 18 – 23
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 18 – 23
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: Feb 18 – 23
If paid before 14:00
-5%
Part no. 06L121492M
Audi Q5 FY Cooling Coolant Hose Pipe Line 2.0 TFSI 06L121492M
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 8E0121101C
Audi A4 B7 1.9 TDI Water Pipe Engine Cooling Radiator Coolant Hose 8E0121101C
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
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 18 – 23
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 18 – 23
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 18 – 23
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 18 – 23
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 18 – 23
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
€32.95
€28.01
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 057121083S
Audi A8 D4 Water Cooling Coolant Pipe Hose Line Tube 4.2 TDI Diesel 057121083S
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
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
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 06E121044M
Audi A6 C7 A4 B8 A7 4G A8 D3 Coolant Hose Line Tube Pipe 06E121044M
€28.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 05L122157CG
Audi A4 B9 A5 F5 Engine Cooling Coolant Pipe Line Hose 2.0 TDI 05L122157CG
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
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 18 – 23
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 18 – 23
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 18 – 23
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 18 – 23
If paid before 14:00
Part no. 8Y0121103
Audi RS3 8Y 2.5 TFSI Engine Water Cooling Pipe Hose Outer Left N/S 8Y0121103
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 8K0121055E
Audi A5 8T Water Hose Cooling Coolant Radiator Pipe Line Diesel 8K0121055E
Promo price
€32.95
€28.01
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 06E121083M
Audi S4 B8 S5 8T 3.0 TFSI CRE Supercharger Coolant Hose Pipe Line 06E121083M
€32.95
Free delivery: Feb 18 – 23
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
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 5Q0122101CK
Audi A3 8V 1.6 Diesel Engine Coolant Hose Line Tube Pipe Right O/S 5Q0122101CK
€23.95
Free delivery: Feb 18 – 23
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 18 – 23
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 18 – 23
If paid before 14:00
-15%
Part no. 06L133054
Audi A3 8Y Quick Coupling Coolant Flange Air Intake Hose Line Petrol 06L133054
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 06B121070H
Audi A4 B7 1.8 T BFB Coolant Hose Line Tube Pipe 06B121070H
Promo price
€51.95
€44.16
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 4G0122445L
Audi A6 C7 A7 4G Coolant Cooling Pipe Hose Line Petrol Engine 4G0122445L
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 04L121026R-1
Audi A5 8T 2.0 TDI CNHA Thermostat Housing Pipe Hose Line Tube 04L121026R
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 7L6122109E
Porsche Cayenne 9PA Audi Q7 4L Water Hose Cooling Radiator Pipe 7L6122109E
€66.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 06E121083G
Audi S4 B8 S5 8T Water Hose Coolant Pipe Line Tube 3.0 TFSI 06E121083G
€118.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 1K0121109AK
Audi A3 8P Water Cooling Coolant Pipe Hose Line Petrol Engine 1K0121109AK
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 4G0122109AN
Audi A6 C7 A7 4G Water Coolant Pipe Hose Line 1.8 2.0 TFSI 4G0122109AN
€28.95
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 8W0122101AA
Audi S4 B9 3.0 TFSI Petrol Coolant Water Hose Line Tube Pipe 8W0122101AA
€28.95
Free delivery: Feb 18 – 23
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 18 – 23
If paid before 14:00
-5%
Part no. 5Q0121070BC
Audi Q3 8U Water Hose Engine Coolant Cooling Pipe Line 2.0 TDI 5Q0121070BC
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 8E0121109Q
Audi A4 B7 Water Pipe Engine Cooling Radiator Coolant Hose 3.2 Petrol 8E0121109Q
€23.95
Free delivery: Feb 18 – 23
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 18 – 23
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 18 – 23
If paid before 14:00
-40%
Part no. 059121512N
Coolant Pipe Audi A6 4G Q5 8R 2.0 TDI Diesel Water Hose Cooling Line 1K0121096R
Promo price
€47.95
€28.77
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 06F121065J
Audi A3 8P TT 8J VW Golf MK5 Coolant Water Pipe Hose Line 2.0 TFSI 06F121065J
Promo price
€32.95
€28.01
Free delivery: Feb 18 – 23
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
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 1K0122096J
Seat Leon II VW Golf MK5 Audi A3 8P Water Hose Coolant Pipe Petrol 1K0122096J
€23.95
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 06F121065H
Audi A3 8P TT 8J VW Golf GTI 2.0 TFSI Coolant Water Pipe Hose Line 06F121065H
Promo price
€42.95
€25.77
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 03C121065L
Audi A1 8X Petrol Water Coolant Hose Pipe 03C121065L
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 1K0122291BM
Audi A3 8P 2.0 TDI Water Hose Radiator Coolant Pipe Line 1K0122291BM
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
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 18 – 23
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 18 – 23
If paid before 14:00
-5%
Part no. 1K0122051AE
Audi A4 B7 Water Hose Cooling Coolant Radiator Pipe Line 1K0122051AE
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 8K0819332M
Audi A4 B8 Water Coolant Pipe Hose Line Tube 2.0 TDI CNHC 8K0819332M
Promo price
€37.95
€32.26
Free delivery: Feb 18 – 23
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 18 – 23
If paid before 14:00
-15%
Part no. 06K121075BF
Engine Coolant Pipe Audi A3 S3 8V 2.0 TFSI Water Cooling Hose Line 06K121075BF
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-15%
Part no. 8K0145919C
Audi A4 B8 2.0 TDI CNHC Engine Water Coolant Hose Pipe Line 8K0145919C
Promo price
€56.95
€48.41
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 03C121497D
Audi A3 8P Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C121497D
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 1K0122101CC
Audi A4 B7 Water Hose Cooling Coolant Radiator Pipe Line 1K0122101CC
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 4G0122101AJ
Water Hose Audi A6 C7 A7 4G Diesel Cooling Radiator Pipe Line 4G0122101AJ
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
Part no. 8K0819334BB
Audi A4 B8 2.0 TDI CNHC Water Coolant Hose Line Pipe 8K0819334BB
€23.95
Free delivery: Feb 18 – 23
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 18 – 23
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 18 – 23
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 18 – 23
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 18 – 23
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 18 – 23
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 18 – 23
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 18 – 23
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
€23.95
€22.75
Free delivery: Feb 18 – 23
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
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-40%
Part no. 038121071S
Audi A4 B7 1.9 TDI Water Hose Cooling Coolant Radiator Pipe Line 038121071S
Promo price
€42.95
€25.77
Free delivery: Feb 18 – 23
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 18 – 23
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 18 – 23
If paid before 14:00
-5%
Part no. 8W0122448S
Audi A5 F5 Water Coolant Hose Line Pipe Tube 8W0122448S
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
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 18 – 23
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 18 – 23
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 18 – 23
If paid before 14:00
-5%
Part no. 8K0819334AP
Audi S5 8T 3.0 TFSI Coolant Water Hose Line Tube Pipe 8K0819334AP
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 1K0121096BH
Audi A3 8P Water Hose Cooling Radiator Coolant Pipe Line 1K0121096BH
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
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 18 – 23
If paid before 14:00
Part no. 5N0122073P
Audi Q3 8U Water Hose Cooling Radiator Coolant Pipe Line 5N0122073P
€37.95
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 1K0121063R
Audi A3 8P 1.4 TFSI CAXC Coolant Hose Line Tube Pipe 1K0121063R
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
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 18 – 23
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 18 – 23
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 18 – 23
If paid before 14:00
-15%
Part no. 5Q012210GJ
Audi A3 8V Water Hose Cooling Radiator Coolant Pipe Line 5Q012210GJ
Promo price
€28.95
€24.61
Free delivery: Feb 18 – 23
If paid before 14:00
-5%
Part no. 03C121070D
Audi A3 8P Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C121070D
Promo price
€23.95
€22.75
Free delivery: Feb 18 – 23
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: Feb 18 – 23
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 18 – 23
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 18 – 23
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 .