Radiator engine oil cooler front "Snake Type". Porsche 911 1970-73  ❭  91110704700

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.       

Related reference numbers
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91110704700

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