Oil Coolers / Radiators / Heat Exchangers

Oil tube to front cooler.

Fits:
Porsche 911 SC / 3.2L 1974-89

Diagram Ref No 12A

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93020711107

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Oil tube to front cooler.

Fits:
Porsche 911 SC / 3.2L 1974-89

Diagram Ref No 12A

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93020711107

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Oil tube to front cooler.



Fits:
Porsche 911 SC / 3.2L 1980-89

Click 'Zoom in' for large parts diagram.
Diagram Ref No 11A.

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93020711306

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Oil tube to front cooler.

Fits:
Porsche 911 SC / 3.2L 1980-89

Diagram Ref No 11A

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93020711306

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Radiator engine oil cooler front "Snake Type".
Radiator fits in the front under the wing.



Fits:
Porsche 911 2.7 08/73-07/74
Porsche 911 2.7 RS 08/72-07/73

Click 'Zoom in' for large parts diagram.
Diagram ref no 22

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91110704700

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Radiator Engine Oil Cooler Front "Snake Type" 

Maintain the correct operating temperature of your classic air-cooled Porsche with this OE Match Front Engine Oil Cooler, commonly known as the Snake Type or Trombone Oil Cooler. Designed as a direct replacement for the original factory oil cooler fitted to Porsche 911 models from 1970-1973, this OE-quality component restores efficient engine oil cooling while preserving the originality of your vehicle.

Fits:

• Porsche 911 1965-1968 2.0L / 912 SWB (F)
• Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

Diagram ref no 22

Unlike later finned oil coolers, the trombone oil cooler uses a continuous loop of oil pipe mounted in the front wheel arch. As airflow passes over the curved tube, excess heat is dissipated from the engine oil before it returns to the engine. Its distinctive looped design earned it the nickname "Trombone Oil Cooler", and it remains an iconic feature of early long-wheelbase Porsche 911 models.

Manufactured to OE specifications, this replacement oil cooler offers excellent fitment, corrosion resistance and long-term durability, making it ideal for restorations, maintenance or replacing damaged original units.

What Does the Oil Cooler Do?

Engine oil performs two vital functions in an air-cooled Porsche: lubricating internal engine components and carrying away excess heat.

The front-mounted Snake Type oil cooler helps to:

• Reduce engine oil temperature.
• Improve lubrication under demanding driving conditions.
• Protect internal engine components from excessive heat.
• Maintain stable oil viscosity.
• Increase engine reliability and longevity.
• Support consistent engine performance during warm weather and spirited driving.

Although simple in design, the trombone cooler provides a significant improvement in oil temperature control compared to engines without a front-mounted oil cooler.

Why Do Oil Coolers Need Replacing?

After decades of service, oil coolers can become damaged or less effective due to:

• External corrosion.
• Stone impacts and road debris.
• Internal contamination.
• Oil leaks caused by corrosion or physical damage.
• Accident damage.
• Previous poor repairs or deformation of the cooling loop.

Replacing a damaged oil cooler helps maintain correct oil temperatures while preventing potentially expensive engine damage caused by oil loss.

Symptoms of a Failing Oil Cooler

Common warning signs include:

• Visible oil leaks around the cooler.
• Rising engine oil temperatures.
• Oil residue around the front wheel arch.
• Corroded or damaged cooling tube.
• Reduced cooling efficiency.
• Oil pressure concerns caused by oil loss.
• Physical damage from road debris.

If any oil leakage is present, the cooling system should be inspected immediately.

When Should the Trombone Oil Cooler Be Replaced?

Replacement is recommended when:

• Oil leaks develop.
• Corrosion weakens the cooling tube.
• Accident damage has occurred.
• Restoring a classic Porsche to factory specification.
• Replacing damaged front oil lines.
• Carrying out a complete oil cooling system overhaul.

Replacing ageing cooling components helps maintain reliable engine temperature control and protects your investment.

Why Choose an OE Match Oil Cooler?

Our OE Match Snake Type oil cooler has been engineered to closely replicate the original Porsche component.

Benefits include:

• Correct Trombone (Snake Type) design.
• OE-quality construction.
• Precision-formed cooling loop.
• Corrosion-resistant finish.
• Excellent oil flow characteristics.
• Straightforward installation using factory mounting points.
• Ideal for restorations and originality-focused vehicles.       

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91110704700

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Front Radiator Engine Oil Cooler "Snake Type" 

Restore efficient oil temperature control to your classic air-cooled Porsche with this OE Match Front Radiator Engine Oil Cooler. Better known as the Snake Type Oil Cooler or Trombone Oil Cooler, this OE-quality replacement is designed to match the original equipment fitted to Porsche 911 models.

Fits:

• Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
• Porsche 911 1978-1983 3.0L / SC
• Porsche 911 1975-1977 3.0L Turbo (930)
• Porsche 911 1978-1989 3.3L Turbo (930)

Positioned within the front right-hand wheel arch, the Trombone Oil Cooler forms an integral part of Porsche's legendary dry sump lubrication system. Its distinctive looped tube design increases the surface area exposed to airflow, allowing engine oil to dissipate heat before returning to the oil tank. Although simple in construction compared to later finned radiator-style coolers, the Trombone Oil Cooler proved to be an effective and reliable solution for controlling engine oil temperatures in early impact bumper 911s and first-generation 930 turbos.

Manufactured to OE Match specifications, this replacement offers factory-correct fitment, dependable performance and excellent durability, making it the ideal choice for restorations, preventative maintenance and originality-focused repairs.

What Does the Snake Type (Trombone) Oil Cooler Do?

Unlike water-cooled engines, air-cooled Porsche engines rely heavily on engine oil to remove heat as well as lubricate internal components. The front-mounted Trombone Oil Cooler helps to:

• Reduce engine oil temperatures.
• Improve heat dissipation during sustained driving.
• Maintain stable oil viscosity.
• Protect pistons, bearings and internal engine components.
• Improve engine reliability during hot weather and spirited driving.
• Extend engine life by maintaining consistent operating temperatures.

By cooling the oil before it returns to the engine, the Trombone Oil Cooler plays a vital role in preserving the health of your classic flat-six engine.

Why Do Trombone Oil Coolers Need Replacing?

After decades of service, the original oil cooler may suffer from:

• External corrosion caused by moisture and road salt.
• Stone damage from debris entering the wheel arch.
• Impact damage.
• Internal contamination.
• Fatigue cracks or pinhole leaks.
• Damage caused during previous repairs.
• Reduced cooling efficiency due to age.

Even a minor oil leak can lead to falling oil pressure and increased engine temperatures, making timely replacement essential.

Symptoms of a Failing Oil Cooler

Common warning signs include:

• Engine oil leaks around the front wheel arch.
• Oil residue on the cooling loop.
• Rising engine oil temperatures.
• Burning oil smell after driving.
• Visible corrosion or physical damage.
• Reduced cooling performance.
• Falling oil level without obvious engine leaks.

Any evidence of oil leakage should be investigated immediately to prevent costly engine damage.

When Should the Oil Cooler Be Replaced?

Replacement is recommended when:

• Oil leaks develop.
• The cooling loop becomes corroded or damaged.
• Accident damage has occurred.
• Restoring a classic Porsche to factory condition.
• Replacing front oil pipes or oil lines.
• Carrying out a complete engine rebuild or lubrication system overhaul.

Replacing ageing oil cooling components helps maintain optimum lubrication and protects your engine for years to come.

Why Choose an OE Match Oil Cooler?

Our OE Match Snake Type Oil Cooler has been manufactured to faithfully reproduce the original Porsche component.

Benefits include:

• Authentic Snake Type (Trombone) configuration.
• OE-quality construction and fitment.
• Precision-formed cooling loop.
• Excellent oil flow characteristics.
• Corrosion-resistant finish.
• Straightforward installation using factory mounting points.
• Perfect for restoration and maintenance projects.       

Related reference numbers
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91120705001

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Radiator engine oil cooler with screw socket
Radiator type fits in engine compartment.

Fits:
Porsche 911 1965-71

Diagram ref No 8

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90110704103

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Radiator Engine Oil Cooler With Screw Socket.

The OE Match Radiator Engine Oil Cooler with Screw Socket is a premium-quality replacement engine oil cooler designed to regulate engine oil temperature on compatible Porsche models. Manufactured to OE specifications for fit, cooling efficiency and durability, this oil cooler helps maintain optimum oil temperatures by dissipating excess heat, ensuring consistent lubrication and protecting critical engine components under all driving conditions.

Fits:

• Porsche 911 1965-1968 2.0L / 912 SWB (F)
• Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)  

Diagram Ref No 8

Manufactured from high-quality aluminium with precision-engineered cooling fins and an integrated screw socket connection, the oil cooler is designed to provide excellent heat transfer while withstanding high oil pressures, thermal cycling and engine vibration. Its direct OE-style fitment ensures straightforward installation and reliable, leak-free operation, making it ideal for both routine maintenance and engine restoration projects.  

What This Product Does:

• Dissipates heat from the engine oil.
• Maintains optimum engine oil operating temperature.
• Helps preserve correct oil viscosity.
• Protects internal engine components from excessive heat.
• Supports efficient engine lubrication.
• Improves engine reliability during normal and high-performance driving.
• Provides secure oil connections via the integrated screw socket.
• Forms an essential part of the engine lubrication and cooling system.

Symptoms Of Wear Or Failure:

• Engine oil leaks around the cooler or connections.
• Visible corrosion or physical damage to the cooler.
• Elevated engine oil temperatures.
• Engine overheating under load.
• Oil residue around the oil cooler assembly.
• Reduced engine performance due to excessive oil temperatures.
• Low engine oil level caused by leaks.
• Contaminated cooling fins restricting airflow.
• Oil pressure fluctuations caused by oil loss.
• Premature engine wear due to inadequate oil cooling.

Why Replacement Matters:

• The engine oil cooler is continuously exposed to high oil pressures, extreme temperatures, road debris and environmental contaminants. Over time, corrosion, blocked cooling fins or internal deterioration can reduce its cooling efficiency or result in oil leaks.
• A leaking or inefficient oil cooler can cause engine oil temperatures to rise, reducing lubrication performance and increasing wear on bearings, pistons, camshafts and other critical engine components. Continued operation with overheated or leaking engine oil can lead to accelerated engine wear and potentially costly mechanical damage.
• Replacing a worn or damaged engine oil cooler restores efficient oil cooling and reliable lubrication performance. The OE Match replacement provides factory-style fitment, high-quality aluminium construction, integrated screw socket connections and long-lasting durability, helping maintain engine protection, performance and reliability throughout the life of your Porsche.

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90110704103

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Radiator engine oil cooler.
Radiator type fits in engine compartment.



Fits:
Porsche 911 1972-89

Click 'Zoom in' for large parts diagram.
Diagram Ref No 8.

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91110704102

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Radiator engine oil cooler.
This radiator type oil cooler fits in the engine compartment on Porsche 911 models. It forms part of the engine oil cooling system and should be installed according to the factory oil cooler layout and sealing arrangement.

Fits:
Porsche 911 1972 - 1989

Diagram ref no 8.

The engine oil cooler helps reduce engine oil temperature by allowing heat from the oil to transfer through the cooler core. Correct oil cooling is essential on air-cooled Porsche engines, as the oil plays an important role in lubrication, heat control, and long-term engine reliability.

Functions
•  Replaces the engine compartment oil cooler
•  Helps regulate engine oil temperature
•  Supports correct lubrication and cooling performance
•  Assists in protecting the engine from excessive oil temperatures
•  Helps maintain stable operation during normal and demanding driving
•  Replaces leaking, blocked, corroded, or damaged original oil coolers
•  OE Match replacement for engine oil cooling system repair.

Why Replace This Part?
Engine oil coolers can become blocked, corroded, damaged, or leak with age, heat cycling, vibration, and long-term oil exposure. A faulty oil cooler can cause oil leaks, reduced cooling efficiency, higher engine temperatures, contaminated cooling fins, or poor lubrication performance. Replacing the oil cooler helps restore effective oil temperature control and supports reliable engine operation.

When to Replace This Part
•   The oil cooler is leaking engine oil
•   Oil residue is visible around the cooler or engine compartment area
•   Engine oil temperatures are higher than normal
•   The cooler core is blocked, corroded, or damaged
•   The engine is being rebuilt or resealed
•   Oil cooling system components are being serviced
•   The vehicle is undergoing Porsche 911 engine restoration or preventative maintenance

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91110704102

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Radiator Oil Cooler - Front.

Fits:
Porsche 911 3.2L / 3.0L 1980-89

Porsche 911 3.3L Turbo 1980-89

When you add the cooler to your basket you will have an option to select temperature sensor or the blanking plug (and washer)
Please add as and when required. The cooler doesn't come with either of the options included.

Diagram Ref No 13

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93020705304

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Radiator oil cooler bottom plate. 



Fits:
Porsche 911 1984-89

Diagram Ref No 33.

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93020712100

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Radiator Oil Cooler Cover Plate. FRONT.



Fits:
Porsche 911 1984-89

Click 'Zoom in' for large parts diagram.
Diagram Ref No 32

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93020731915

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Radiator oil cooler cover plate, Front



Fits:
Porsche 911 Turbo 3.3L 1984-89
930.66 / 930.68 (Canada / USA)

Click 'Zoom in' for large parts diagram.
Diagram Ref No 32

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93020731913

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Radiator oil cooler with threaded connector, M26x1.5, Front.



Fits:
Porsche 911 S 1969-1971

Click 'Zoom in' for large parts diagram.
Diagram Ref No 17

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