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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Land Rover Freelander 2 L359 Oil Separator Breather 2.2 TD4 965327528006

€23.95

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Land Range Rover Sport L494 Oil Pan Engine Oil Level Indicator CK5Q-6C851-BA

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€23.95

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Audi A4 B7 Gearbox Oil Cooler Pressure Line Pipe Hose 2.0 TFSI Petrol 8E0317826T

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Audi A5 8T 2.0 TFSI Turbine Cooling Hose Pipe Hose Line 06H121492D

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Oil Return Pipe BMW F40 F44 F45 F46 Mini F54 F56 F60 Turbocharger Hose 8629963

€23.95

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€23.95

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€23.95

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

€32.95

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Audi Q5 FY Oil Feed Hose Pipe Line 2.0 TFSI Petrol Engine 06L145778M

€23.95

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Range Rover Sport L494 Turbocharger Oil Return Hose Tube Line Pipe LR125347

€66.95

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Audi Q5 FY Oil Return Hose Pipe Line 2.0 TFSI 06L145735H

€23.95

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Range Rover Sport L320 Oil Cooler Coolant Radiator 2.7 V6 PIB500120T

€32.95

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Audi RS4 B8 Oil Pump Pickup Pipe 4.2 FSI Petrol 079115277AJ

€37.95

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Seat Ibiza 6j VW Polo 6R Oil Breather Separator 1.4 Petrol CGGB 036103464AK

€32.95

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Skoda Octavia 5E 1.6 TDI Oil Filter Housing 03N115389A

€32.95

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Ford Fiesta Mk8 Oil Pipe Hose Line 1.5 Ecoboost Petrol Engine K1BG-6758-AA

€28.95

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Audi A6 A7 4G8 3.0 TDI Oil Cooler Radiator Bracket Mount 059131685D

€23.95

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Audi A5 RS5 Oil Sump Separator Baffle Plate Panel 4.2 V8 Petrol 079115289S

€23.95

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BMW X1 E84 Transmission Oil Cooler Line Pipe Hose Radiator Z4 E89 Petrol 7611991

€51.95

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VW Golf Mk7 Audi A3 8V Oil Pressure Control Valve 2.0 TFSI CJXC 06K115243B

€28.95

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Land Rover Discovery 4 L319 Oil Separator Hose Tube Pipe Line GH22-6C661-AA

€42.95

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Mercedes W245 Oil Cooling Line Pipe Thermostat A1695010165

€37.95

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Heat Exchanger Bracket Mercedes W204 W212 OM651 Oil Cooler Mount A6510780784

€23.95

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Ford Transit Mk8 Oil Cooler Hose Tube Line Pipe 2.0 EcoBlue Diesel GK3Q-8B451-AB

€23.95

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Audi A4 B9 A5 F5 A6 A7 C8 A8 D5 Q5 FY Turbocharger Oil Pipe Hose Line 06N145778

€51.95

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Oil Hose Audi A6 C7 Q5 8R Turbine Cooling Pipe Line 059145771AQ

€28.95

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Oil Cooler Radiator Mercedes W906 Oil Filter Bracket Diesel A6511801310

€47.95

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Audi A7 4G Turbocharger Lubrication Inlet Oil Feed Line Pipe 3.0 TDI 059145736G

€23.95

Part no. 7558467

BMW E60 E61 E63 E64 Engine Oil Cooler Return Line Pipe 550i 650i N62N 7558467

€75.95

Part no. LR045240-1

Range Rover L405 Turbo Oil Feed Coolant Pipe Hose Line CK5Q-8A506-CA

€32.95

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Mercedes W176 Diesel Oil Cooler A6511800565

€23.95

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BMW F30 LCI 320d B47 Engine Oil Filter Housing Cover Cooler 8513963

€28.95

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Mercedes W221 M275 Automatic Gearbox Transmission Oil Pipe Line Hose A2212700596

€23.95

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Mercedes W205 W213 OM654 Oil Pipe Diesel Feed Line Cooler Coolant A6542030700

€23.95

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Land Rover Range Rover L322 Gearbox Oil Cooler 448DT Diesel BH42-7869-AC

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Ford Focus Mk3 Mondeo Mk4 Turbocharger Oil Feed Pipe Line Tube FM5Q-6K679-AB

€28.95

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Mercedes W204 R171 M272 Petrol Engine Oil Filter Housing Cooler A2721800110

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Mercedes W220 S 55 AMG Oil Cooler Pipe Hose Line M113 A2209971452

€85.95

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Mercedes W203 M271 Oil Dipstick Guide Measure Level Rod Tube A2710100466

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Audi A7 4G Oil Pipe Line Tube Hose Automatic Gearbox Transmission 4G0317818S

€23.95

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Citroen Relay Mk3 III Engine Oil Pump Suction Pipe Tube 2.2 BlueHDi 9810055980

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BMW F40 F44 X1 F48 Engine Oil Filter Housing Cooler Diesel B47 8580413

€94.95

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Mercedes W212 Oil Cooler Hose Pipe Line Left N/S Side A6511804730

€32.95

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

€28.95

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

€28.95

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Audi RS6 C7 Oil Pipe Line Tube Hose Automatic Gearbox Transmission 4G0317818AF

€28.95

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Porsche Boxster 986 2.7 Petrol Gearbox Oil Cooler Port Plate 98630720101

€51.95

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

€23.95

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

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Ford Focus Mk3 Automatic Gearbox Cooler Pipe Hose Tube 2.0 TDCi FV4P-7A030-AC

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Mercedes C117 W176 Heat Exchanger Oil Filter Housing Bracket Mount A6511801210

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Oil Pipe Mercedes W205 W213 Diesel Feed Line Cooler Coolant A6541800200

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Audi S5 F5 Engine Oil Separator Breather Valve 3.0 TFSI Petrol 06M103495P

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Oil Pipe Mercedes W205 W213 OM654 Diesel Feed Cooler Coolant Line A6542030700

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Oil Separator Audi RS3 8V TTRS 8S 2.5 TFSI DAZA Breather Valve 07K103495B

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

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Audi RS3 8Y Engine Oil Cooler Coolant Unit 2.5 TFSI Petrol 07K117021G

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Oil Filter Housing BMW F20 F22 F30 F32 F36 N55 Petrol With Thermostat 7637052

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