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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Part no. 8K0819350D
Audi A4 B8 A5 8T Coolant Hose Pipe Line Tube 8K0819350D
£23.95
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 06K121075Q
Audi S3 8V Water Hose Cooling Coolant Radiator Pipe Line 06K121075Q
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

Part no. 5Q0816743D
Audi A3 8V VW Golf Mk7 Air Conditioning Hose A/C Pipe Line 5Q0816743D
£47.95
Free delivery - Thu, Oct 23
If paid before 14:00

-5%
Part no. 03L121071C
Audi A4 B8 2.0 TDI Water Hose Radiator Coolant Pipe Line 03L121071C
Promo price
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 80A122101AD
Audi SQ5 FY 3.0 TDI CWGD Water Coolant Pipe Hose Line Tube 80A122101AD
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 4G0145919J
Water Pipe Audi A6 C7 A7 S7 4G Hose Engine Cooling Coolant Unit Line 4G0145919J
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 3WA122101H
Audi S3 8Y Water Hose Cooling Coolant Radiator Pipe Line 3WA122101H
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

Part no. 8K0121101K
Water Hose Audi A4 B8 A5 8T 2.7 3.0 TDI Diesel Coolant Pipe Line 8K0121101K
£18.95
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 8R0145910B
Audi Q5 8R 2.0 TDI Quattro Water Hose Cooling Coolant Pipe Line 8R0145910B
Promo price
£28.95
£24.61
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 8K1819350AQ
Audi A4 S4 B8 Water Hoses Cooling Coolant Radiator Pipes 3.0 TFSI 8K1819350AQ
Promo price
£37.95
£22.77
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 8E0121049AC
Audi A4 B7 Water Hose Cooling Radiator Coolant Pipe Line 2.0 Diesel 8E0121049L
Promo price
£28.95
£24.61
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 8K0819377AA
Audi A5 8T Water Hose Cooling Radiator Coolant Pipe Line 8K0819377AA
Promo price
£28.95
£17.37
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 8K0819376AC
Audi A5 8T Coolant Water Hose Line Tube Pipe 3.0 TDI Diesel Engine 8K0819376AC
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 5N0121070S
Audi Q3 8U Engine Cooling System Coolant Line Hose Pipe 5N0121070S
Promo price
£70.95
£42.57
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 4K0122101BJ
Audi A6 C6 Water Pipe Hose Line Cooling Coolant 4K0122101BJ
Promo price
£37.95
£32.26
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 8K0819374AC
Audi A5 8T Coolant Water Hose Line Tube Pipe 3.0 TDI Diesel Engine 8K0819374AC
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 8K0819373K
Audi A5 8T Coolant Water Hose Line Tube Pipe 8K0819373K
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
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
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 8W0145919K
Audi A5 F5 Water Coolant Hose Line Pipe Tube 8W0145919K
Promo price
£28.95
£24.61
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 5Q0122073AB
Audi A3 8V 2.0 TFSI Water Coolant Hose Tube Line Pipe 5Q0122073AB
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-5%
Part no. 03L121157AH
Audi A5 S5 8F 2.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 03L121157AH
Promo price
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

Part no. 8W0819342Q
Audi A5 F5 Engine Water Coolant Cooling Pipe Hose Line 8W0819342Q
£13.95
Free delivery - Thu, Oct 23
If paid before 14:00

-5%
Part no. 06K121065Q
Audi TT FV Water Coolant Pipe Hose Line 06K121065Q
Promo price
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 5Q0121049BJ
Audi A3 8V 1.0 TSI Water Pipe Engine Cooling Coolant Hose Line 5Q0121049BJ
Promo price
£37.95
£22.77
Free delivery - Thu, Oct 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
£47.95
£40.76
Free delivery - Thu, Oct 23
If paid before 14:00

Part no. 8W0121030R
Audi A4 B9 A5 F5 Water Coolant Cooling Hose Pipe Line 2.0 TDI 8W0121030R
£28.95
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 8K0819334BB
Audi A4 B8 2.0 TDI CNHC Water Coolant Hose Line Pipe 8K0819334BB
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 5Q0122073BS
Audi A3 8V 1.0 TSI Water Pipe Engine Cooling Coolant Hose Line 5Q0122073BS
Promo price
£28.95
£17.37
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 4G0122061A
Audi A6 C7 A7 4G Coolant Cooling Radiator Pipe Line Hose 4G0122061A
Promo price
£56.95
£34.17
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 03L121065K
Audi A4 B8 A5 8T 2.0 TDI Hose Thermostat Coolant Pipe Line 03L121065K
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 8K0121030K
Audi A4 B8 Water Hose Radiator Coolant Pipe Line 1.8 2.0 Petrol 8K0121030K
Promo price
£28.95
£17.37
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 5Q0121063N
Audi A3 8V 1.0 TSI Water Pipe Engine Cooling Coolant Hose Line 5Q0121063N
Promo price
£23.95
£14.37
Free delivery - Thu, Oct 23
If paid before 14:00

Part no. 4G0122449D
Audi A7 4G Engine Water Coolant Cooling Hose Pipe Line 3.0 TDI 4G0122449D
£32.95
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 8K0145921Q
Audi S5 8T 3.0 TFSI Radiator Upper Hose Line Pipe Left N/S 8K0145921Q
Promo price
£18.95
£11.37
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 5Q0122157DJ
Audi A3 8V 1.0 TSI Water Pipe Engine Cooling Coolant Hose Line 5Q0122157DJ
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 8K0121081P
Audi A4 B8 2.0 TDI CAGA Radiator Water Coolant Pipe Hose Tube Line 8K0121081P
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 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
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 8W0121501AL
Audi S4 B9 3.0 Petrol Water Hose Cooling Coolant Pipe Line 8W0121501AL
Promo price
£32.95
£19.77
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 8W0122055BN
Coolant Pipe Audi A4 B9 A5 F5 Radiator Hose Line Tube 2.0 Petrol 8W0122055BN
Promo price
£23.95
£14.37
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 8K0819342L
Audi S5 8T 3.0 TFSI Coolant Water Hose Line Cooling Tube Pipe 8K0819342L
Promo price
£23.95
£20.36
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 8W0122448AA
Water Coolant Hose Audi A4 B9 A5 F5 2.0 Petrol Line Pipe Tube 8W0122448AA
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 079121065BN-1
AUDI S5 8T 4.2 Petrol CAUA Coolant Pipe Left N/S Cooler Water Hose 079121065BN
Promo price
£23.95
£14.37
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 8K0819334AP
Audi S5 8T 3.0 TFSI Coolant Water Hose Line Tube Pipe 8K0819334AP
Promo price
£18.95
£11.37
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 8K0819332B
Water Pipe Audi A5 S5 8T S4 B8 8K 3.0 TFSI V6 Coolant Hose Line 8K0819332B
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 06L121085AF
Audi Q5 FY A4 B9 8W 2.0 TFSI Petrol Engine Water Coolant Pipe Hose 06L121085AF
Promo price
£23.95
£14.37
Free delivery - Thu, Oct 23
If paid before 14:00

-5%
Part no. 1K0122109AL
Audi A5 8T Engine Water Coolant Pipe Cooling Hose Line 2.0 Petrol 1K0122109AL
Promo price
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 8W0121448H
Audi A5 F5 2.0 TDI DEZE Water Coolant Hose Line Pipe Tube 8W0121448H
Promo price
£28.95
£17.37
Free delivery - Thu, Oct 23
If paid before 14:00

-5%
Part no. 80A819370B
Audi Q5 FY 2.0 TFSI Engine Water Coolant Pipe Hose Line 80A819370B
Promo price
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 06M121071E
Audi SQ5 FY 3.0 TFSI Water Hose Cooling Radiator Coolant Pipe Line 06M121071E
Promo price
£23.95
£14.37
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 079121071CF-1
AUDI S5 8T Petrol 4.2 FSI V8 Coolant Hose Rear Engine Water Pipe 079121071CF
Promo price
£47.95
£40.76
Free delivery - Thu, Oct 23
If paid before 14:00

-5%
Part no. 8W0122448S
Audi A5 F5 Water Coolant Hose Line Pipe Tube 8W0122448S
Promo price
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 5Q0122101BP
Audi A3 8V 2.0 TDI Water Hose Radiator Coolant Pipe Line Diesel 5Q0122101BP
Promo price
£28.95
£17.37
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 8W0819334AE
Audi A5 F5 Coolant Water Quick Connect Heater Pipe Hose 8W0819334AE
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-5%
Part no. 3WA121051A
Audi S3 8Y Water Hose Cooling Coolant Radiator Pipe Line Hose 3WA121051A
Promo price
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 8W2819377
Audi A4 S4 B9 Engine Cooling Water Coolant Hose Pipe Line 8W2819377
Promo price
£28.95
£24.61
Free delivery - Thu, Oct 23
If paid before 14:00

-5%
Part no. 3WA121101
Audi S3 8Y Engine Water Coolant Pipe Cooling Hose Line 3WA121101
Promo price
£13.95
£13.25
Free delivery - Thu, Oct 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
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 5Q0121049AD
Volkswagen Audi A3 8V Seat Petrol Water Coolant Pipe Hose Line 5Q0121049AD
Promo price
£28.95
£17.37
Free delivery - Thu, Oct 23
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
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 079121070BS
AUDI S5 8T 4.2 Petrol CAUA Coolant Pipe Right O/S Cooler Water Hose 079121070BS
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 6R0122051BR
Water Hose Audi A1 S1 8X 2.0 Cooling Radiator Coolant Pipe Line 6R0122051BR
Promo price
£56.95
£34.17
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 06M121085H
Audi A4 S4 B9 VW Touareg Water Coolant Pipe Hose Line 06M121085H
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. RHD-8W2122109E
Water Cooling Hose Audi A4 B9 A5 F5 Radiator Coolant Pipe Line 8W2122109E
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

Part no. 8W2819350L
Audi A4 S4 B9 A5 F5 Engine Water Coolant Hose Pipe Line 2.0 TFSI 8W2819350L
£18.95
Free delivery - Thu, Oct 23
If paid before 14:00

Part no. 03G121096
Audi A4 B8 2.0 TDI Water Hose Radiator Coolant Pipe Line 03G121096
£13.95
Free delivery - Thu, Oct 23
If paid before 14:00

-5%
Part no. 03C121497F
Audi A1 8X Water Pipe Hose Line Engine Cooling Coolant Unit Hose 03C121497F
Promo price
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 80A122055AF
Audi Q5 FY 2.0 TFSI Petrol Water Hose Cooling Coolant Pipe Line 80A122055AF
Promo price
£66.95
£40.17
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 80C819371B
Audi Q5 FY Coolant Water Hose Line Cooling Unit Tube Pipe 2.0 Petrol 80C819371B
Promo price
£23.95
£14.37
Free delivery - Thu, Oct 23
If paid before 14:00

-5%
Part no. 8W0819332E
Audi A4 S4 B9 3.0 TFSI Water Hose Cooling Engine Coolant Pipe Line 8W0819332E
Promo price
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 8K0121055L-1
Audi A4 B8 Water Hose Cooling Coolant Radiator Pipe Line Diesel 8K0121055L
Promo price
£23.95
£20.36
Free delivery - Thu, Oct 23
If paid before 14:00

Part no. 3C0122101FL
Volkswagen Seat Skoda Audi Water Coolant Pipe Line Hose 2.0 TDI 3C0122101FL
£37.95
Free delivery - Thu, Oct 23
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
£28.95
£24.61
Free delivery - Thu, Oct 23
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
£13.95
£13.25
Free delivery - Thu, Oct 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
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 8E0260707BD
Audi S4 B6 4.2 V8 Water Coolant Pipe Hose Line 8E0260707BD
Promo price
£142.95
£85.77
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 8R0121086A
Audi Q5 8R 3.0 TDI Water Hose Cooling Radiator Coolant Pipe Line 8R0121086A
Promo price
£37.95
£22.77
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 1K0122051AE
Audi A4 B7 Water Hose Cooling Coolant Radiator Pipe Line 1K0122051AE
Promo price
£28.95
£17.37
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 4F0145943M
Audi A6 C6 3.0 TDI Diesel Charger Air Hose Pipe Line Tube 4F0145943H 4F0145943M
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-5%
Part no. 1K0122073S
Audi A4 B7 Water Hose Cooling Coolant Radiator Pipe Line 1K0122073S
Promo price
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

-5%
Part no. 059129089
Audi Q7 4L Water Pipe Hose Line Engine Cooling Coolant Unit Hose 059129089
Promo price
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 7L8122051B
Audi Q7 4L VW Touareg 7L 4.2 TDi Coolant Hose Water Pump Pipe 7L8122051B
Promo price
£23.95
£14.37
Free delivery - Thu, Oct 23
If paid before 14:00

Part no. 4H0121101AC
Audi A8 D4 Radiator Coolant Hose Water Pipe Line 3.0 TDI 4H0121101AC
£23.95
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 4F0145738F
Audi A6 C6 3.0 TDI Diesel Turbo Charger Intercooler Pipe Hose Duct 4F0145738F
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 8W0122101B
Water Hose Audi A4 B9 A5 F5 Cooling Coolant Radiator Pipe Line 8W0122101B
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 8J0121447H
Audi TT 8J 2.0 TDI CFGB Engine Coolant Hose Pipe 8J0121447H
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-5%
Part no. 4G0121448AF
Audi Q5 8R 3.0 TDI Water Hose Cooling Coolant Pipe Line Hose 4G0121448AF
Promo price
£13.95
£13.25
Free delivery - Thu, Oct 23
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
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 07K121063F
Audi RS3 8V Petrol Water Coolant Pipe Hose Line Tube 07K121063F
Promo price
£70.95
£60.31
Free delivery - Thu, Oct 23
If paid before 14:00

Part no. 5Q0122157AB
Coolant Pipe Audi S1 8X S3 8V VW Golf R Mk7 2.0 TSI TFSI Water Hose 5Q0122157AB
£13.95
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 6C0122101E
Audi A1 8X 1.4 TFSI Water Coolant Pipe Hose Cooling Line 6C0122101E
Promo price
£37.95
£32.26
Free delivery - Thu, Oct 23
If paid before 14:00

Part no. RHD-4H2819372H
Audi A8 D4 Radiator Coolant Feed Hose Water Pipe Line 3.0 TDI 4H2819372H
£13.95
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 4G0121049L
Audi A7 4G 3.0 TDI CDUD Water Radiator Coolant Pipe Hose Tube Line 4G0121049L
Promo price
£23.95
£20.36
Free delivery - Thu, Oct 23
If paid before 14:00

-40%
Part no. 6C0122073B
Cooling Line VW Polo 6C Audi A1 8X 1.6 TDI Water Coolant Pipe Hose 6C0122073B
Promo price
£23.95
£14.37
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 80C819350B
Audi Q5 FY 2.0 TFSI Water Pipe Engine Cooling Radiator Coolant Hose 80C819350B
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 5Q0121064BB
Audi A3 8V Water Pipe Hose Engine Cooling Coolant Unit Line 5Q0121064BB
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-15%
Part no. 1K0121063J
Audi TT 8J Water Coolant Hose Pipe Line Tube 1K0121063J
Promo price
£18.95
£16.11
Free delivery - Thu, Oct 23
If paid before 14:00

-5%
Part no. 8K1819376J
Audi A5 8T 2.0 TFSI Water Hose Cooling Coolant Radiator Pipe Line 8K1819376J
Promo price
£13.95
£13.25
Free delivery - Thu, Oct 23
If paid before 14:00

Part no. 4H0121088AD
Audi A8 4H Expansion Bottle Tank Radiator Hose Line Tube Pipe 4H0121088AD
£13.95
Free delivery - Thu, Oct 23
If paid before 14:00

Part no. RHD-4H2819672S
Audi A8 D4 Radiator Coolant Return Hose Water Pipe Line 3.0 TDI 4H2819672S
£23.95
Free delivery - Thu, Oct 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 .