What is the construction and purpose of oil coolers and lines?

Oil coolers and lines are components of the lubrication and cooling system designed to lower oil temperature and transport it between cooperating components. A typical set includes a cooler core, ports, lines, seals, and mounting points. These parts are mounted in the engine compartment, and in some cars, also near the transmission system.

What are oil coolers and lines used for?

Oil coolers and lines are used to stabilize oil temperature and maintain its proper flow in the system. As a result, the oil better retains its lubricating properties, and the engine or transmission operates under more predictable conditions. A functional system limits the risk of overheating, pressure drops, and leaks.

What is the construction and function of oil line seals?

Oil line seals are elements that close the connections between the cooler, the line, and the connection points in the engine or transmission. Their function is to maintain tightness during temperature and operating pressure changes. In practice, they include gaskets, rings, and mating surfaces that must be compared with the OEM number and connector type.

How to choose oil coolers and lines for a specific car version?

The safest way is to compare the OEM part number, replacement numbers, fuel type, transmission type, and vehicle location. It is also worth verifying the mounting method, shape of connections, and line routing, as these differences often depend on the engine version and equipment.

What symptoms indicate a problem with an oil cooler or lines?

Most often, these are oil leaks, increased operating temperature, dirt around connections, and a drop in lubrication system pressure. In some vehicles, diagnostic messages or traces of oil on covers and adjacent elements also appear.

What to pay attention to before installing a used oil cooler or line?

Before installation, it is worth checking for leaks, the condition of ports, and the absence of cracks, corrosion, or deformation of connections. It is also good to compare all mounting points, the type of ends, and compatibility with seals so that the part fits a specific car without modifications.

Engine Oil Coolers & Lines

At the Global Parts automotive store, we offer a wide selection of original used car parts, including oil coolers and hoses for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen and others. The oil coolers and hoses we offer undergo quality control so that you can be sure that you are receiving a top-quality product.

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Oil Filter Housing Audi A4 B8 A5 8T Q5 8R 2.0 TDI Engine Oil Cooler 03N115389H

Promo price

€28.95

€24.61

Free delivery: Aug 21 – 26

If paid before 14:00

Part no. A2721800510-1

Mercedes W204 R171 M272 Petrol Engine Oil Filter Housing Cooler A2721800110

€37.95

Free delivery: Aug 21 – 26

If paid before 14:00

BMW X5 X6 E70 LCI E71 N57 N57S Oil Cooling Pipe Hose Radiator 8509434

-40%

Part no. 8509434

BMW X5 X6 E70 LCI E71 N57 N57S Oil Cooling Pipe Hose Radiator 8509434

Promo price

€75.95

€45.57

Free delivery: Aug 21 – 26

If paid before 14:00

Mercedes W176 Diesel Oil Cooler A6511800565

-5%

Part no. A6511800565

Mercedes W176 Diesel Oil Cooler A6511800565

Promo price

€23.95

€22.75

Free delivery: Aug 21 – 26

If paid before 14:00

Smart A453 Oil Separator Breather M281 Petrol A2810104200 118307263R

-40%

Part no. A2810104200

Smart A453 Oil Separator Breather M281 Petrol A2810104200 118307263R

Promo price

€56.95

€34.17

Free delivery: Aug 21 – 26

If paid before 14:00

Heat Exchanger Bracket Mercedes W204 W212 OM651 Oil Cooler Mount A6510780784

-5%

Part no. A6510780784

Heat Exchanger Bracket Mercedes W204 W212 OM651 Oil Cooler Mount A6510780784

Promo price

€23.95

€22.75

Free delivery: Aug 21 – 26

If paid before 14:00

VW Volkswagen Golf 8 1.5 eTSI DFYA Turbo Oil Pipe Feed Hose 05E145140N

-5%

Part no. 05E145140N

VW Volkswagen Golf 8 1.5 eTSI DFYA Turbo Oil Pipe Feed Hose 05E145140N

Promo price

€23.95

€22.75

Free delivery: Aug 21 – 26

If paid before 14:00

Seat Ibiza Mk5 KJ1 Audi A3 8Y Turbo Oil Feed Pipe Line 1.0 Petrol 05C145140E

-5%

Part no. 05C145140E

Seat Ibiza Mk5 KJ1 Audi A3 8Y Turbo Oil Feed Pipe Line 1.0 Petrol 05C145140E

Promo price

€23.95

€22.75

Free delivery: Aug 21 – 26

If paid before 14:00

Part no. 7P0317824

Porsche Cayenne 92A Gearbox Oil Cooler Hose Pipe Line 3.0 TDI 7P0317824

€28.95

Free delivery: Aug 21 – 26

If paid before 14:00

BMW E87 E90 E91 Automatic Gearbox Heat Exchanger Oli Radiator 7551647

-15%

Part no. 7551647

BMW E87 E90 E91 Automatic Gearbox Heat Exchanger Oli Radiator 7551647

Promo price

€23.95

€20.36

Free delivery: Aug 21 – 26

If paid before 14:00

Part no. A2760107111

Mercedes W205 C207 W212 C43 AMG Oil Separator Breather Pipe M272.823 A2760107111

€51.95

Free delivery: Aug 21 – 26

If paid before 14:00

Part no. 7788462-2

BMW E60 E61 E90 E91 M57N2 Engine Oil Cooler Heat Exchanger 7788462

€28.95

Free delivery: Aug 21 – 26

If paid before 14:00

Part no. 98630720101

Porsche Boxster 986 2.7 Petrol Gearbox Oil Cooler Port Plate 98630720101

€51.95

Free delivery: Aug 21 – 26

If paid before 14:00

Part no. 06D117021C

Audi S3 8P 2.0 TFSI Engine Oil Radiator Cooler Unit 06D117021C

€28.95

Free delivery: Aug 21 – 26

If paid before 14:00

Seat Ibiza Mk5 KJ1 Audi A3 8Y Oil Breather Separator Cover 1.0 TSI 05C103495B

-15%

Part no. 05C103495B

Seat Ibiza Mk5 KJ1 Audi A3 8Y Oil Breather Separator Cover 1.0 TSI 05C103495B

Promo price

€37.95

€32.26

Free delivery: Aug 21 – 26

If paid before 14:00

Oil Pipe Mercedes W205 W213 Feed Line Cooler Coolant M264 Petrol A2642002201

-5%

Part no. A2642002201

Oil Pipe Mercedes W205 W213 Feed Line Cooler Coolant M264 Petrol A2642002201

Promo price

€23.95

€22.75

Free delivery: Aug 21 – 26

If paid before 14:00

Seat Ibiza Fr 6J A1 8X Turbocharger Oil Feed Supply Line Pipe Tube 03L145771AC

-5%

Part no. 03L145771AC

Seat Ibiza Fr 6J A1 8X Turbocharger Oil Feed Supply Line Pipe Tube 03L145771AC

Promo price

€23.95

€22.75

Free delivery: Aug 21 – 26

If paid before 14:00

Bracket Mercedes W176 W246 OM651 Intake Manifold Actuator Throttle Body Mount

-5%

Part no. A6510902041

Bracket Mercedes W176 W246 OM651 Intake Manifold Actuator Throttle Body Mount

Promo price

€23.95

€22.75

Free delivery: Aug 21 – 26

If paid before 14:00

Ford Transit Mk7 Engine Oil Cooler Cooling Filter 2.4 TDCi 6C1Q-6B624-BA

-15%

Part no. 2128720

Ford Transit Mk7 Engine Oil Cooler Cooling Filter 2.4 TDCi 6C1Q-6B624-BA

Product currently unavailable

Part no. A2642002001

Mercedes W205 Cooling Hose Mounting Transmission Oil Pipe Line A2642002001

Product currently unavailable

Part no. 9807662280

Peugeot Boxer Citroën Relay III Turbo Oil Return Hose Line Tube Pipe 9807662280

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Part no. 06H115251M

Audi A5 8T 2.0 TFSI CDNB Oil Suction Line Tube Pipe Hose 06H115251M

Product currently unavailable

Part no. 8583895

BMW F20 F30 LCI G01 G20 G30 Oil Filter With Housing Cooler B58 B57 8583895

Product currently unavailable

Part no. 038145771N

VW Volkswagen New Beetle 1.9 TDI BSW Turbo Oil Feed Hose Line Pipe 038145771N

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Part no. 05C906455D

Seat Ibiza Mk5 Oil Pressure Control Valve Adjuster Unit 1.0 TSI DUSA 05C906455D

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Part no. 7790856

Mini One D R50 W17 Engine Cooling Water Hose Line Pipe 7790856 11537790856

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Part no. LR013287

Land Rover Discovery 4 L319 Oil Separator Breather 3.0D V6 306DT 9X2Q-6A785-CB

Product currently unavailable

Part no. 05C906455E

Seat Ibiza Mk5 Oil Pressure Control Valve Adjuster Unit 1.0 TSI DUSA 05C906455J

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Part no. A2215002200

Mercedes W221 Oil Cooler Radiator Automatic Gearbox Transmission A2215002200

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Part no. 7800488

Oil Cooling Pipe BMW E60 E61 520d M47N2 Gearbox Hose Radiator Cooler 7800488

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Part no. A7255000100

Oil Cooler Mercedes C238 Petrol M256 Automatic Gearbox Oil Cooler A7255000100

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Part no. A2215000500-1

Mercedes W221 Power Steering Oil Cooler Cooling Radiator A2215000500

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Part no. 07K103207

Oil Separator Pipe Audi RS3 8V TTRS 8S 2.5 TFSI Breather Hose Line 07K103207

Product currently unavailable

Part no. 7L0317019B

VW Volkswagen Touareg 7L Automatic Gearbox Transmission Oil Cooler 7L0317019B

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BMW E90 E91 E92 325d Heat Exchanger Oil Cooling Pipe Inlet Outlet Hose 7577641

-40%

Part no. 7577641

BMW E90 E91 E92 325d Heat Exchanger Oil Cooling Pipe Inlet Outlet Hose 7577641

Product currently unavailable

Part no. 06A145735AA

Audi TT 8N 1.8T AUM Turbo Oil Return Pipe Hose Line Tube 06A145735AA

Product currently unavailable

Part no. 93161726

Opel Vivaro 2.0 DCI Oil Turbo Return Pipe Hose Line 93161726

Product currently unavailable

Part no. 07Z103101D

Volkswagen Phaeton 3D Pressure Regulating Valve Engine Oil Separator 07Z103101D

Product currently unavailable

Part no. 55488382

Opel Zafira Insignia A 2.0 Cdti Oil Cooler Inlet Pipe Hose 55488382

Product currently unavailable

Part no. 8200460763

Vauxhall Vivaro Renault Trafic 2.0 DCi Oil Turbo Return Pipe Hose 8200460763

Product currently unavailable

Part no. 8509434-1

BMW X5 E70 LCI X6 E71 F07 GT N57 N57S Oil Cooler Pipe Hose 8509434

Product currently unavailable

Part no. A2701800810

Mercedes W176 W246 Engine Oil Cooler Heat Exchanger M270 Petrol A2701800810

Product currently unavailable

Part no. 1761518

Ford S-Max Transmission Oil Cooler Pipe Hose Line TUbe 2.2 TDCI 6G91-7890-ME

Product currently unavailable

Part no. A6421800831

Mercedes W221 Gearbox Cooler Oil Transmission Radiator Right O/S A6421800831

Product currently unavailable

Part no. A6290100666

Mercedes X164 OM629 Oil Dipstick Guide Tube Pipe Line Hose A6290100666

Product currently unavailable

Part no. A9072704700

Mercedes Sprinter W907 Cooling Hose Transmission Oil Pipe Line Set A9072704700

Product currently unavailable

Part no. 06A145778Q

Audi TT 8N 1.8 T Oil Turbo Feed Pipe Line Tube Hose 06A145778Q

Product currently unavailable

Part no. 06F129101R

Audi A3 8P TT 8J VW Golf GTI 2.0 TFSI Breather Valve Oil Separator 06F129101R

Product currently unavailable

Part no. A6541800300

Oil Pipe Mercedes W205 W213 Diesel OM654 Return Line Cooler Coolant A6541800300

Product currently unavailable

Part no. A6511801210

Mercedes X156 GLA 220 CDI Heat Exchanger Oil Cooler With Mount A6511801210

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Part no. 04C103464G

Audi A1 8X Q2 GA A3 8V Oil Separator Cover 1.0 TFSI Petrol Engine 04C103464G

Product currently unavailable

Part no. 8509706

BMW E90 E91 E92 325d Heat Exchanger Oil Cooling Pipe Inlet Outlet Hose 8509706

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Part no. A2045001001-1

Oil Cooler Mercedes W204 W207 OM642 Transmission Gearbox Radiator A2045001001

Product currently unavailable

Part no. 7804145

BMW 3 Series E90 E91 320d M47N2 Oil Cooling Pipe Inlet And Outlet Hose 7804145

Product currently unavailable

Part no. UBC000060

Land Rover Freelander Automatic Gearbox Heat Exchanger Oli Radiator UBC000060

Product currently unavailable

Part no. A6120700079

Mercedes ML W163 OM612 Fuel Cooler A6120700079

Product currently unavailable

Mercedes W176 W246 Automatic Transmission Oil Filler Pipe Line A2463700384

-5%

Part no. A2463700384-1

Mercedes W176 W246 Automatic Transmission Oil Filler Pipe Line A2463700384

Product currently unavailable

Part no. 04B145771L

VW Volkswagen Polo Mk5 Turbocharger Oil Feed Pipe Line Tube 1.4 TDI 04B145771L

Product currently unavailable

Part no. A9072706900

Mercedes W906 Diesel Automatic Oil Pipe Transmission Cooler Hose A9072706900

Product currently unavailable

Part no. 7572542

Oil Cooler Radiator BMW F01 F10 F12 N54 N55 N63 Engine Oil Cooler 7572542

Product currently unavailable

Part no. A2125002972

Mercedes A207 S212 Transmission Oil Cooler Line Tube Hose Pipe A2125002972

Product currently unavailable

Part no. 5083264AA

Chrysler Grand Voyager Oil Charger Hose Line Pipe 2.8CRD ENR Diesel 5083264AA

Product currently unavailable

Part no. 1K0121058S

Audi A3 8P Golf Mk5 Oil Cooler Hose Pipe Line Tube 1.6 Petrol 1K0121058S

Product currently unavailable

Part no. 7559960

BMW E60 E60N E61 E63 E63N Power Steering Cooler Radiator Fluid 7519214

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Part no. 06M115401F

Audi A4 S4 B9 Oil Filter Housing Oil Cooler 3.0 TFSI V6 Petrol 06M115401F

Product currently unavailable

Part no. 06M103515F

Oil Separator Audi S4 B9 S5 5F 3.0 TFSI V6 Breather Valve 06M103515F

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Part no. 2283209

BMW M3 E46 Petrol S54 Engine Oil Cooler Pipe Line Hose 2283209

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Part no. 8509433-1

BMW F10 F11 525d 530d 535d N57 Oil Cooling Pipe Hose Line 8509433

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Part no. 079117315D

Audi RS4 B8 Engine Oil Cooler Pressure Line Pipe Hose 4.2 FSI 079117315D

Product currently unavailable

Part no. A6511801630

Mercedes R172 OM651 Automatic Gearbox Oil Pipe Line Hose Left N/S A6511801630

Product currently unavailable

Part no. 059145736D

Audi A5 8T Turbine Lubrication Inlet Oil Feed Line Pipe 059145736D

Product currently unavailable

Part no. 2361354

Ford Transit Mk8 Turbocharger Oil Feed Pipe Line Tube 2361354 KK3Q-6K679-BA

Product currently unavailable

Part no. 2636011

Ford Transit Mk8 Turbocharger Lower Drain Tube PIpe Line 2636011 KK3Q6K677AA

Product currently unavailable

Part no. 55215546

Fiat Doblo 2.0 Diesel Turbo Turbocharger Oil Pipe Hose Line Tube 55215546

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Part no. 8658491

BMW X2 F39 F40 F44 F45 X1 F48 Oil Cooler Pipe Hose Line 8658491

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Part no. 8507626-1

BMW 1 3 5 Series E90N F10 F20 F30 Heat Exchanger Oil Cooler Diesel N47N 8507626

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Part no. 1483823

Ford Transit Connect 1.8 TDCI Oil Hose Line Pipe Line 1483823 4M5Q-6K677-CA

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Part no. A6111800122

Mercedes W211 OM611 Turbo Steering Oil Return Pipe Hose Line Tube A6111800122

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Part no. 7799752

BMW E60 E61 LCI 520d N47 Oil Cooler Pipe Hose Inlet 7799752

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Part no. 7592723-2

BMW F87 M2 F80 M3 F82 F83 M4 Gearbox Oil Cooler Thermostat 7592723

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Part no. 8515008

BMW G01 B57 Turbo Turbocharger Oil Return Line Pipe Tube Hose 8515008

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Land Rover Discovery 4 L319 Gearbox Oil Cooling Pipe Hose Line AH22-7R081-BA

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Porsche Carrera 996 Oil Filler Pipe Hose Line Petrol Engine 9603 99710713100

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Land Rover Discovery 4 L319 Gearbox Oil Cooling Pipe Hose Line CH22-7R081-AC

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Mercedes Vito W639 Diesel OM642 Oil Pipe Transmission Cooler Hose A6392712496

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Oil Cooling Lines BMW E65 E66 N62 Inlet And Outlet Pipe Hose 7570975 7572598

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Part no. A2465010101-1

Oil Cooler Mercedes W176 W246 C117 Automatic Gearbox Oil Cooler A2465010101

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Audi Q2 GA 25 TFSI Oil Separator Breather Hose 05E103495AT

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Mercedes A238 M276 Petrol Engine Oil Suction Pipe Line Tube Hose A2781800952

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Part no. 7P0317801F

Porsche Cayenne 92A 3.0 TDI Gearbox Oil Cooler Hose Pressure Line 7P0317801F

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Mercedes W176 M270 Petrol Engine Oil Separator Hose Line Tube Pipe A2700104203

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Ford Transit Mk8 2.0 Ecoblue Diesel Oil Pipe Hose Line Tube GK2Q-6B873-AB

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Mercedes W221 Power Steering Oil Cooler Cooling Radiator A2215000500

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Part no. 55569419

Opel Combo D 1.3 CDTi Diesel Engine Oil Cooler Pipe Feed Line Hose 55569419

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Part no. 8E0317818AC

Audi A6 C6 Gearbox Oil Cooler Hose Pressure Line Automatic 2.0 TDI 8E0317818AC

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Oil Cooler BMW F10 F11 F13 Radiator Power Steering Cooling 7570100

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Part no. 8509433

Oil Cooling Pipe BMW F10 F11 525d 530d 535d N57 Hose Line 8509433

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Volkswagen Golf MK5 Audi A3 8P Tdi Oil Filter Housing Oil Cooler 045115389E

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Ford Transit Custom Mk8 Turbocharger Oil Pipe Hose 2.0 EcoBlue KK2Q-6K679-BA

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