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.

More information

Make

BMW F20 F21 F30 F31 LCI Exhaust Manifold Gas Pressure Sensor B47 Diesel 8514018

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7505826

BMW X3 Series E83 M54 Radiator Oil Cooling Heat Exchanger 7505826

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7800479

BMWE60 E61 E65 X3 E83 Oil Cooler Heat Exchanger Auto Gearbox 7800479

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8509993

Oil Cooler Pipe BMW F10 F11 F30 F31 F36 Transmission Hose Line Radiator 8509993

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7577641

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

€51.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7592723-4

BMW F80 M3 F82 F83 M4 LCI Transmission Oil Cooler Line Flow Pipe 7592723

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8670675

BMW X3 G01 Coolant Return Line 8670675

€42.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8678840

BMW F10 F30 F31 F32 F36 N20 N26 Oil Inlet Feed Turbocharger Pipe Hose 8678840

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7535741

BMW 7 Series E65 E66 Heat Exchanger Oil Cooling Pipe Inlet Outlet Hose

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7604981

BMW 3 4 Series F30 F31 F32 Transmission Oil Cooler Line Flow Pipe 7604981

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7800479-1

BMW E60 E61 E65 X3 E83 Oil Cooler Heat Exchanger Auto Gearbox 7800479

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7799753

BMW 5 Series E60 E61 LCI 520d N47 Oil Cooler Outlet Pipe Hose Line 7799753

€37.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8623566

BMW F30 LCI 330e Hybrid Cooling Pipe Hose Coolant Water Return 8623566

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7611968

Oil Filter Housing BMW F20 F21 F30 F31 114i 116i 316i Petrol Engine N13 7611968

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7794577

Oil Cooling Pipe BMW E60 E61 E63 E65 LCI Inlet and Outlet Hose 7794577

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7593141

BMW F01 F02 F10 F11 N53 Oil Cooler Cooling Pipe Hose Line Tube 7593141

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8513616

Oil Return Pipe BMW F20 F21 F30 F31 LCI Turbo Charger Inlet 8513616

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8585237

BMW F39 F45 F46 F48 Oil Cooler Heat Exchanger Diesel Engine 8585237

€94.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7623685

BMW i3 Transmission Oil Cooler Hybrid Engine Heat Exchanger Unit 7623685

€75.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7541059

BMW E65 Heat Exchanger Automatic Gearbox Oil Cooler N62N 740i 750i 7541059

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7787698

BMW E60 E61 E90 E91 Engine M47N2 Oil Cooler Heat Exchanger 7787698

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7522119-1

BMW E81 E87 E90 E91 E92 E93 Power Steering Oil Cooler Loop 7522119

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7529499

BMW E81 E87 E90 E91 LCI Heat Exchanger Oil Radiator Automatic Gearbox 7529499

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7553667

Engine Oil Cooler BMW E65 E66 E67 740i 750i 760i Cooling Radiator 7553667

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7788462-1

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

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7592723-3

BMW F80 M3 F82 F83 M4 Thermostat Oil Transmission Cooler Hose Holder 7592723

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7592723

BMW F80 M3 F82 F83 M4 LCI Transmission Oil Cooler Line Flow Pipe

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8514018

BMW 1 3 Series F20 F21 F30 F31 LCI B47 Pipe Exhaust Gas Pressure Engine 8514018

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8573382

BMW G11 G12 G20 G21 G30 G31 G32 B57 Water Coolant Pipe Hose 8573382

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7573274

BMW E82 E88 Petrol N54 N55 Engine Oil Cooler Return Hose 7573274

€89.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8626652

BMW F10 F20 F30 Petrol Turbo Charger Oil Line Pipe Inlet 8626652

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7592723-1

BMW F80 M3 F82 F83 M4 Thermostat Oil Transmission Cooler Hoses 7592723

€66.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8509432-1

Oil Cooling Pipe BMW E90 E91 LCI E92 E93 F01 F02 N57 Hose Radiator 7809802

€56.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8489613

BMW U06 U11 F70 Mini U25 F66 Turbocharger Oil Feed Line Hose Tube Pipe 8489613

€23.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7606254

BMW X5 F15 E70 X5 F16 E71 Power Steering Oil Cooler Cooling Radiator 7606254

€32.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7558467

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

€75.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 9429794

BMW G20 G21 G22 G23 Transmission Gearbox Oil Cooler Heat Exchanger 9429794

€137.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8509434

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

€75.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 7551647

BMW E87 E90 E91 Automatic Gearbox Heat Exchanger Oli Radiator 7551647

€28.95

Free delivery: Jul 29 – Aug 3

If paid before 14:00

Part no. 8583895

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

Product currently unavailable

Part no. 7800488

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

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. 8509706

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

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. 7572542

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

Product currently unavailable

Part no. 7559960

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

Product currently unavailable

Part no. 2283209

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

Product currently unavailable

Part no. 8509433-1

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

Product currently unavailable

Part no. 8658491

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

Product currently unavailable

Part no. 8507626-1

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

Product currently unavailable

Part no. 7799752

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

Product currently unavailable

Part no. 7592723-2

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

Product currently unavailable

Part no. 8515008

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

Product currently unavailable

Part no. 7570975

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

Product currently unavailable

Part no. 7570100

Oil Cooler BMW F10 F11 F13 Radiator Power Steering Cooling 7570100

Product currently unavailable

Part no. 8509433

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

Product currently unavailable

Part no. 7803076

BMW X3 E83 LCI Intake Tube Pipe Lubrication 1.8d 2.0d Diesel N47 Engine 7803076

Product currently unavailable

Part no. 7805593

BMW E60 E61 E63 E64 LCI Power Steering Oil Cooler Loop Cooling Line 7805593

Product currently unavailable

Part no. 4709247

BMW 5 6 7 Series E60 E61 E63 E65 Oil Hose Oil line Transmission 4709247 4709248

Product currently unavailable

Part no. 8645851

BMW F40 X2 F39 Mini F60 B48E Transmission Gearbox Oil Cooler Radiator 8645851

Product currently unavailable

Part no. 2284697

BMW 3 4 Series F80 M3 F82 M4 Transmission Oil Cooler Line Flow Pipe 2284697

Product currently unavailable

Part no. 7788268

BMW X5 Series E53 3.0d M57N Diesel Transmission Oil Cooler Line Flow Pipe

Product currently unavailable

Part no. 8570062

BMW 1 3 Series F20 F21 F30 F31 LCI Transmission Gearbox Oil Cooler 8570062

Product currently unavailable

Part no. 7519268

BMW 5 Series E60 E61 M54 Oil Cooling Pipe Inlet And Outlet Hose 7519268 7519267

Product currently unavailable

Part no. 8570062-1

Transmission Oil Cooler BMW F20 F21 F30 F31 LCI Petrol B58 Cooler 8570062

Product currently unavailable

Part no. 8654879

Transmission Oil Cooler BMW X3 G01 G12 G30 G31 Lines Pipes Flow 8654879

Product currently unavailable

Part no. 7637052

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

Product currently unavailable

Part no. 8094806

Oil Pipe BMW F90 M5 F92 M8 Petrol Engine Radiator Hose Line 8094806

Product currently unavailable

Part no. 8507626

BMW E90 LCI F10 F20 F30 Oil Filter Housing Base Heat Exchanger N47N 8507626

Product currently unavailable

Part no. 2228942

BMW E46 M3 Engine Oil Cooler Cooling Radiator 2228942

Product currently unavailable

Part no. 7561546

Oil Cooler Bracket BMW X5 E70 F15 X6 E71 Power Steering Mount Support 7561546

Product currently unavailable

Showing 1-71 of 71 products

Engine oil cooling systems – hoses, radiators, and efficiency

Efficient engine oil cooling systems for high-temperature driving

Oil coolers and lines are key components of the engine cooling system that ensure the correct oil temperature, thereby supporting its lubricating properties. Effective oil cooling allows for maintaining proper engine performance, reduces the risk of overheating, and extends the service life of the powertrain. In the Global Parts automotive store, you will find a wide selection of used car parts, including oil coolers and lines, perfectly matched to brands such as BMW, Audi, Mercedes, Volkswagen, Mini, and others.

What functions do oil coolers and lines perform?

Oil coolers and their lines play a significant role in maintaining the efficiency of the lubrication system:

Oil cooling – They lower the oil temperature, preventing overheating that could reduce its lubricating properties.
Maintaining proper viscosity – Thanks to the cooler, the oil retains its optimal properties even under high engine loads.
Engine protection – Cooled oil reduces friction and wear on key components, such as crankshafts or pistons.
Stable oil supply – Oil lines ensure efficient transport of oil between the cooler and the engine.

Construction and purpose of oil coolers and lines

Oil coolers and lines are a set of components responsible for removing excess heat from the oil circulating in the engine or transmission. A typical system consists of a cooler core, connections, rigid or flexible lines, and sealing points that must remain leak-proof under pressure. These elements are mounted in the engine compartment, and their location on the vehicle depends on the powertrain design and equipment version.

Differences between types of oil coolers and lines

Variant	Construction	Application	What to check before purchase
Engine oil cooler	Core with oil channels, connection ports, seals	Maintaining proper engine oil temperature	OEM number, fuel type, vehicle location, mounting compatibility
Transmission oil cooler	Exchanger body, line connections, heat exchange surface	Stabilizing transmission oil temperature	Transmission type, replacement numbers, connector type, car version
Oil lines	Flexible hose or metal pipe, ends, clamps, gaskets	Transporting oil between components	Length and routing of the line, mounting points, connection diameter, condition of ends

Why is it worth taking care of oil coolers and lines?

Damage or malfunction of these components can lead to engine overheating, loss of performance, and costly repairs. Typical symptoms of problems include:

Increased oil temperature – May indicate problems with the oil cooler or lines.
Oil leaks – Visible spots under the vehicle may indicate damaged lines or a leaking cooler.
Low oil pressure – Leaks in the lines can lead to a drop in pressure within the lubrication system.
"Check Engine" light – Oil temperature issues may be signaled by the vehicle's diagnostic system. If a replacement is needed, at Global Parts you will find suitable used car parts that will restore full functionality to your lubrication system.

The importance of oil cooling for the lubrication system

Oil cooling is used to keep the lubricant parameters within the range specified by the vehicle manufacturer. When the temperature rises too high, the oil loses stability faster, and the entire lubrication system operates under more difficult conditions. In practice, it is also worth checking components from the Engine cooling category, as cooperating parts and the patency of the entire circuit also affect operating temperature.

How to choose the right oil coolers and lines?

When choosing oil coolers and lines, several key aspects should be considered: Matching the vehicle model – Every lubrication system has its specific technical requirements. At Global Parts, you will find oil coolers and lines perfectly matched to BMW, Audi, Mercedes, Volkswagen, Mini, and others.

Technical condition – Used coolers and lines should be free from leaks, mechanical damage, and corrosion.
Material quality – Choose components made of durable materials resistant to high temperatures and pressure.

Selection by OEM number, version, and equipment

An oil line is a component connecting the cooler to other parts of the system, responsible for leak-proof oil flow under appropriate pressure. When choosing, compare the OEM part number, replacement numbers, transmission type, fuel type, and the routing of the line in the engine compartment. For parts such as a Mercedes W211 transmission oil cooler, the compatibility of connections, mounts, and mounting location with the specific car version is particularly important.

Cooperating elements and pre-installation inspection

Line sealing refers to the set of surfaces and elements that prevent leaks at the junction of the cooler, line, and engine block or oil filter housing. Before installation, it is worth checking the condition of sockets, gaskets, clamps, and mounts, and comparing the line routing with the existing installation. When choosing an element like a Mercedes W203 cooler, it is also good to verify related parts, such as Cooling system hoses and pipes, Gaskets and sealing rings, and Temperature sensors.

Why choose used oil coolers and lines?

Used car parts, such as used oil coolers and lines, are an economical solution that allows for savings while maintaining high quality. By choosing used lubrication system components, you gain:

Lower costs – Used coolers and lines are significantly cheaper than new ones but offer equally high quality.
Ecology – Recycling parts supports environmental protection and reduces waste.
Wide selection – In our store, you will find used oil coolers and lines for the most popular car brands.

How to take care of oil coolers and lines?

To ensure oil coolers and lines work reliably for a long time, it is worth following a few rules:

Regular inspection – Check the condition of the cooler and lines during periodic technical inspections.
Avoid overloading the engine – Excessive load can lead to faster wear of the oil cooling system.
Remove dirt – Regular external cleaning of the oil cooler improves its efficiency.
Replace on time – Damaged lines and coolers should be replaced to avoid more serious engine problems. When selecting elements for a version such as the Mercedes W203, it is worth comparing the line routing, mounting points, and compatibility with the equipment in the engine compartment. Further knowledge about dismantled parts can be found in the article Interior transformation: How branded seats from dismantling will drastically improve comfort and increase the value of your car, which shows how important conscious matching of components to a specific vehicle version is.

FAQ

Question	Answer
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.

Summary: oil coolers and lines at the Global Parts automotive store

Oil coolers and lines are essential components of the lubrication system that support efficient engine operation and protect it from overheating. By taking care of their technical condition, you can avoid costly repairs and extend the life of your vehicle. In the Global Parts offer, you will find used parts for many car models, including brands such as Mercedes, BMW, Audi, and others, taking into account data such as OEM number, replacement numbers, transmission type, fuel type, or vehicle location. We invite you to contact us – we are here to help! For more information and interesting facts, we also invite you to visit our automotive blog.

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