Product Information
Seal Ring – 9.25 x 1.78mm Turbocharger Oil
Supply
Sold each - 6 required per car
Maintain the integrity of your Porsche's turbocharger
lubrication system with this Turbocharger Oil Supply Seal
Ring. Measuring 9.25 x 1.78mm, this
precision-engineered sealing ring is designed to provide a reliable, leak-free
seal within the turbocharger oil supply system on selected Porsche 997 Turbo
and GT models.
Fits:
- Porsche 997 MK1 TURBO 2007-09
-
Porsche 997 MK1 GT2 2007-09
-
Porsche 997 MKII GT2 RS 2011-13
Diagram ref no 20
The turbocharger relies on a constant supply of clean,
pressurised engine oil to lubricate and cool its high-speed bearings. Even the
smallest oil leak at the supply connection can reduce lubrication efficiency,
contaminate surrounding components and, if left unresolved, contribute to
premature turbocharger wear. Replacing sealing rings whenever the oil supply
line is removed is an essential part of good workshop practice.
Manufactured to Porsche's exacting standards, this Genuine
Porsche seal ring offers the precise dimensions, material quality and sealing
performance required for long-term reliability under the extreme temperatures
and pressures experienced within the turbocharger oil circuit.
What Does the Turbocharger Oil Supply Seal Ring Do?
The seal ring creates a leak-proof connection between the
turbocharger oil supply line and its mating components.
Its functions include:
Preventing
engine oil leaks.
- Maintaining
correct oil pressure to the turbocharger.
- Ensuring
continuous lubrication of the turbocharger bearings.
- Preventing
contamination of surrounding engine components.
- Supporting
efficient turbocharger cooling.
- Helping
maintain long-term turbocharger reliability.
A correctly sealing oil feed connection is critical to the
health of any turbocharged Porsche engine.
Why Does the Seal Ring Need Replacing?
Seal rings are designed as service items and should always
be renewed once disturbed.
Common reasons for replacement include:
- Removal
of the turbocharger oil supply pipe.
- Turbocharger
replacement or rebuild.
- Engine
repair work.
- Heat
cycling causing the seal to harden.
- Age-related
loss of elasticity.
- Oil
seepage around the oil feed connection.
- Preventative
maintenance during engine servicing.
Replacing the seal ring is an inexpensive way to prevent oil
leaks and protect expensive turbocharger components.
Symptoms of a Failing Seal Ring
Signs that the seal ring may require replacement include:
- Oil
leaks around the turbocharger oil supply connection.
- Oil
residue on surrounding engine components.
- Burning
oil smell after driving.
- Light
oil smoke from the engine bay.
- Gradual
loss of engine oil.
- Visible
deterioration of the sealing ring during servicing.
Any oil leak within the turbocharger lubrication system
should be rectified immediately.
When Should the Seal Ring Be Replaced?
Replacement is recommended whenever:
- The
turbocharger oil feed pipe is removed.
- A
turbocharger is replaced or rebuilt.
- Oil
leaks are detected.
- Engine
repairs involve the oil supply circuit.
- Performing
preventative maintenance on the turbo lubrication system.
As with most sealing components, Porsche recommends fitting
new seals rather than reusing old ones.
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