Oil Cooler Seal. Porsche 356 / 356 A  ❭  61610112300

Oil Cooler Seal.
The Genuine Porsche Oil Cooler Seal 61610112300 is a replacement sealing component designed to provide an oil-tight connection at the engine oil cooler on compatible Porsche applications.

Fits:

• Porsche 356 1950-55
• Porsche 356A 1955-59  

Diagram Ref No 2

The oil cooler forms an important part of the engine lubrication and temperature-control system. Its job is to transfer excess heat away from the engine oil, while the associated seals ensure that oil remains securely contained as it passes through the cooler assembly.

Although the seal itself is a relatively small component, deterioration can result in engine oil leakage around the oil cooler. Replacing an ageing, hardened or damaged seal helps restore sealing integrity and protect the engine from progressive oil loss.

What This Product Does:
The oil cooler seal creates a secure barrier between the oil cooler and its mating engine component, preventing engine oil from escaping at the connection.

During engine operation, oil circulates through the lubrication system and oil cooler. The seal must remain effective while exposed to engine oil, elevated temperatures and repeated pressure and temperature changes.

A correctly functioning oil cooler seal helps:

• Prevent engine oil leakage
• Maintain an oil-tight oil cooler connection
• Keep oil contained within the lubrication system
• Support reliable oil circulation
• Prevent contamination of surrounding engine components
• Maintain the integrity of the engine oil cooling system

Without an effective seal, oil can escape from the cooler connection rather than remaining contained within the lubrication circuit.

Symptoms Of Wear Or Failure:
Oil cooler seals can deteriorate gradually with age, making minor seepage one of the first signs of a problem.

Common symptoms can include:

• Engine oil leaking around the oil cooler
• Oil seepage at the cooler connection
• Wet or oily residue around the oil cooler
• Oil staining on surrounding engine components
• Oil spots underneath the vehicle
• Gradual reduction in engine oil level
• Increased need to top up engine oil
• Burning-oil smell if leaked oil reaches hot surfaces
• Smoke if oil contacts sufficiently hot exhaust or engine components

During inspection, an old seal may also show:

• Hardening
• Brittleness
• Cracking or splitting
• Flattening from prolonged compression
• Cuts or surface damage
• Loss of elasticity
• Permanent deformation

These conditions indicate that the seal may no longer provide a reliable oil-tight connection.

Why Replacement Matters:
The engine depends on an adequate supply of oil for lubrication, cooling and protection of internal components.

A leaking oil cooler seal may begin with relatively minor seepage, but continued deterioration can allow increasing amounts of oil to escape.

Replacing a failed seal helps:

• Prevent engine oil loss
• Restore a secure oil cooler connection
• Maintain lubrication-system integrity
• Keep the engine and surrounding components cleaner
• Reduce the risk of oil reaching hot components
• Prevent minor seepage developing into a larger leak
• Support reliable engine operation

Ignoring an oil leak can eventually result in the engine operating with an insufficient oil level. If oil loss becomes significant, lubrication of critical internal components can be compromised.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

61610112300

The product you are viewing cross references to these numbers