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Porsche

Fits:
Porsche 924S - 1986 to 1988
Porsche 944 / 944 S / 944 S2 - 1985 to 1991
Porsche 968 - 1992 to 1995
Porsche 928 / 928 S / 928 S2 / 928 S4 - 1978 to 1995
Click 'Zoom in' for large parts diagram.
Diagram ref no 10a
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90017404440
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Price is for each bolt.

Fits:
Porsche 996 Turbo Tiptronic gearbox only
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90006712102
The product you are viewing cross references to these numbers
- Porsche 996 TURBO 2000-05
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Price is for each bolt.

Fits:
Porsche 986 S 3.2L 2000-2004
Porsche 996 Carrera 1998-2001
Porsche 996 Turbo Manual gearbox only
Porsche 996 GT3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90006712302
The product you are viewing cross references to these numbers
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster S 986 3.2L 2003-04
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Price is for each bolt.

Fits:
Porsche 911 1984-89 Turbo & Turbo look
Porsche 964 C2 / RS / Turbo 1989-93
Porsche 928 1978-95 (all models)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90006712301
The product you are viewing cross references to these numbers
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Sold each - 2 required per car

Fits:
Porsche 924S - 1986 to 1988
Porsche 944 8v - 1982 to 1987
Porsche 944 S / 944 S2 - 1987 to 1991
Porsche 944 turbo - 1985 to 1991
Porsche 968 - 1992 to 1995
Click 'Zoom in' for large parts diagram.
Diagram ref no 21
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970165240
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
Sold each

Fits:
Porsche 924S - 1986 to 1988
Porsche 944 8v - 1982 to 1987
Porsche 944 turbo - 1985 to 1991
Porsche 928 / 928 S / 928 S2 - 1978 to 1986
Click 'Zoom in' for large parts diagram.
Diagram ref no 21
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99970160240
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
Sold each

Fits:
Porsche 924S - 1986 to 1988
Porsche 944 / 944 S / 944 S2 - 1982 - 1991
Porsche 944 turbo - 1985 yo 1991
Porsche 968 - 1992 to 1995
Fits behind camshaft seal spacer and balance shaft seal spacers.
Click 'Zoom in' for large parts diagram.
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410532100
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94

Fits:
Porsche 944 S2 - 1989 to 1991
Porsche 944 turbo - 1989 to 1991
Porsche 968 - 1992 to 1995
Click 'Zoom in' for large parts diagram.
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94462812200
The product you are viewing cross references to these numbers
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94

Porsche 944 S2 - 1989 to 1991
Porsche 968 - 1992 to 1995
Click 'Zoom in' for large parts diagram.
Diagram ref no 14
Related reference numbers
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94410692908
The product you are viewing cross references to these numbers
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94

Porsche 968 - 1992 to 1995
Click 'Zoom in' for large parts diagram.
Fits to diagram ref no 5
Related reference numbers
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94410550900
The product you are viewing cross references to these numbers
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94

Fits:
Porsche 964 Carrere 2 / Carrera 4 - 1989 to 1994
Porsche 993 Carrere 2 / Carrera 4 - 1994 to 1998
Porsche 993 Carrere S / Carrera 4S - 1994 to 1998
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94330704100
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
Sold each - 2 required per car

Fits:
Porsche 986 Boxster - 1997 to 2004
Porsche 987 Boxster - 2005 to 2012
Porsche 987 Cayman - 2005 to 2012
Porsche 996 - 1997 to 2005
Porsche 997 - 2005 to 2012
Porsche 968 - 1992 to 1995
Click 'Zoom in' for large parts diagram.
Diagram ref no 16
Related reference numbers
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94462830501
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MK1 GT2 2007-09
- 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 GT3 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
Sold each - Fits Left or Right rear seat

Fits:
Porsche 996 - 2001 to 2005
Porsche 997 - 2005 to 2012
Click 'Zoom in' for large parts diagram.
Diagram ref no 29
Related reference numbers
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9965224210001C
The product you are viewing cross references to these numbers
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- 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

Fits
Porsche 958 Cayenne 3.6ltr - 2015 to 2017
Porsche 958 Cayenne Diesel 3.0ltr / 4.2ltr - 2015 to 2017
Porsche 958 Cayenne S / GTS 4.8ltr - 2015 to 2017
Porsche 958 Cayenne turbo / turbo S 4.8ltr - 2015 to 2017
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
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958556583219B9
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.6L Petrol 300Hp 2010-17
- Porsche 958 Cayenne V6 3.0L Diesel 245HP 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol 400HP 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel 382HP 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol 400HP 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol 500HP 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol 550HP 2010-17
Porsche Hydraulic Drive Cylinder Cabriolet Roof | Reliable Roof Operation & Precision Engineering - Fits left and right hand side
The Hydraulic Drive Cylinder for Porsche 996 and 997 Cabriolet models is a crucial component in the convertible roof mechanism. It powers the smooth, synchronized opening and closing of your Porsche’s soft-top system, ensuring fluid motion and quiet operation every time you retract or raise the roof.
Porsche 996 C2 Cabriolet 3.4L 1997-08/01
Porsche 996 C4 Cabriolet 3.4L 1997-08/01
Porsche 996 C2 Cabriolet 3.6L 09/01-2005
Porsche 996 C4 Cabriolet 3.6L 09/01-2005
Porsche 996 C4S Cabriolet 3.6L 09/01-2005
Porsche 996 TURBO Cabriolet 2000-05
Porsche 997 MK1 Carrera Cabriolet 2 3.6L 2005-08
Porsche 997 MK1 Carrera 2S Cabriolet 3.8L 2005-08
Porsche 997 MK1 Carrera 4 Cabriolet 3.6L 2005-08
Porsche 997 MK1 Carrera 4S Cabriolet 3.8L 2005-08
Porsche 997 MK1 TURBO Cabriolet 2007-09
Porsche 997 MKII Carrera C2 Cabriolet 3.6L 2009-12
Porsche 997 MKII Carrera C4 Cabriolet 3.6L 2009-12
Porsche 997 MKII Carrera C2S Cabriolet 3.8L 2009-12
Porsche 997 MKII Carrera C4S Cabriolet 3.8L 2009-12
Porsche 997 MKII Turbo Cabriolet 2010-13
Diagram ref no 12
At Design911, we supply high-quality hydraulic cylinders manufactured using advanced materials and precision seals, these cylinders are designed to withstand the hydraulic pressures and temperature variations encountered in everyday use.
Whether you’re restoring a Cabriolet roof system or replacing a leaking unit, this part ensures dependable operation and preserves your Porsche’s refined driving experience.
What Does a Hydraulic Drive Cylinder Do?
The hydraulic drive cylinder is responsible for powering the motion of your Porsche Cabriolet roof through hydraulic pressure.
Core Functions:
- Converts hydraulic fluid pressure into mechanical movement to raise or lower the roof.
- Ensures smooth, balanced motion between both roof sides.
- Maintains alignment and tension of the roof mechanism.
- Works in tandem with pumps, lines, and valves for seamless operation.
Without a functioning cylinder, the roof system cannot move properly, often resulting in uneven motion or complete failure.
Why Do Hydraulic Cylinders Fail or Leak?
Over time, wear, heat, and hydraulic pressure take their toll on the seals and internal components.
Common Causes of Failure Include:
- Hydraulic fluid leaks from worn or cracked seals.
- Contamination or debris damaging the internal piston.
- Age-related degradation of rubber components.
- Air ingress into the hydraulic system causing pressure loss.
- Corrosion or mechanical damage from extended use or storage.
When a cylinder fails, symptoms can include slow or jerky roof operation, fluid leaks in the rear compartment, or complete hydraulic system failure.
Why Replace Your Porsche Hydraulic Drive Cylinder?
Replacing your hydraulic drive cylinder restores full convertible roof functionality and protects the entire hydraulic system from strain or damage.
Key Benefits:
- Restores smooth, reliable Cabriolet roof operation.
- Prevents hydraulic leaks and loss of pressure.
- Protects pumps and lines from premature wear.
- Precision-engineered for Porsche 996 and 997 fitment.
- Manufactured using high-grade seals and corrosion-resistant materials.
- Designed to perform under high hydraulic load and temperature variation.
Replacing worn hydraulic cylinders ensures your roof operates as intended — with quiet, consistent, and leak-free performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99756194502
The product you are viewing cross references to these numbers
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- 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

Fits:
Porsche 987 Boxster 2005-2008*
Porsche 987C Cayman 2006-2008*
Porsche 987.2 Boxster 2009-2012*
Porsche 987C.2 Cayman 2009-2012*
Porsche 981 Boxster 2012-2016
Porsche 981C Cayman 2014-2016
Porsche 982 Boxster 2017>>
Porsche 982C Cayman 2017>>
*on these models the part is replacing the pin and the wheel altogether.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98130305100
The product you are viewing cross references to these numbers
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Boxster 718 2.0L Manual (300 Bhp)
- Porsche Boxster 718 2.0L PDK (300 Bhp)
- Porsche Boxster S 718 2.5L Manual (350 Bhp)
- Porsche Boxster S 718 2.5L PDK (350 Bhp)
- Porsche Boxster T 718 2.0L Manual (300 Bhp)
- Porsche Boxster T 718 2.0L PDK (300 Bhp)
- Porsche Boxster GTS 718 2.5L Manual (365 Bhp)
- Porsche Boxster GTS 718 2.5L PDK (365 Bhp)
- Porsche Boxster GTS 718 4.0L Manual (400 Bhp)
- Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
- Porsche Boxster Spyder 718 4.0L (420 Bhp)
- Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp)
- Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp)
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
- Porsche Cayman GT4 3.8L 2015-16
- Porsche Cayman 718 2.0L Manual (300Bhp)
- Porsche Cayman 718 2.0L PDK (300Bhp)
- Porsche Cayman S 718 2.5L Manual (350Bhp)
- Porsche Cayman S 718 2.5L PDK (350Bhp)
- Porsche Cayman T 718 2.0L Manual (300Bhp)
- Porsche Cayman T 718 2.0L PDK (300 Bhp)
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
- Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
- Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L