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Oil Pipe Support Clamp. Porsche 911 1972-89 ❭ 99951108402
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 911 1972-89
Click 'Zoom in' for large parts diagram.
Diagram Ref No 25.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99951108402
The product you are viewing cross references to these numbers
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16

Fits:
Porsche 997.2 Carrera 2009-12
Porsche 997.2 Turbo 3.8L 2010-13
Porsche 991.1 Carrera 2012-16
Porsche 991 Turbo 2014-20
Porsche 981 Boxster 2012-16
Porsche 981SP Boxster Spyder 2016
Porsche 981C Cayman 2014-16
Porsche 981C Cayman GT4 2016
Click 'Zoom in' for large parts diagram.
Diagram ref no 13
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A110702501
The product you are viewing cross references to these numbers
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT2 RS 2011-13

Fits:
Porsche 997.1 turbo / GT2 - 2007 to 2008
Porsche 997.2 GT2 RS - 2011 to 2012
Click 'Zoom in' for large parts diagram.
Diagram ref no 21 and 22
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9971072
The product you are viewing cross references to these numbers
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII GT2 RS 2011-13
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.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970761440
The product you are viewing cross references to these numbers
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