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Window Lifters | Motors
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- 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 1980-89 Cabrio / Targa
Porsche 964 1989-94 Cabrio / Targa
Left or right
Click 'zoom in' for large parts diagram.
Diagram ref no 16.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91154205
The product you are viewing cross references to these numbers
- 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 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
Restore smooth and reliable window operation with this OE Match Window Lifter Rail, Cross Arm Window Lift, manufactured as a direct replacement. Produced to OE-style specifications, this window lifter rail forms an integral part of the cross arm window regulator assembly, guiding the window glass through its full range of movement while maintaining correct alignment and stability.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- 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 1978-1979 3.0L / SC
- Porsche 911 1975-1977 3.0L Turbo (930)
Diagram Ref No 21
Over time, the original window lifter rail can become worn, bent, corroded, or damaged through continual operation and age. Excessive wear can result in stiff window movement, poor glass alignment, excessive play, or complete regulator failure. Replacing a worn or damaged lifter rail restores smooth window operation and helps maintain the correct positioning of the door glass. This OE Match window lifter rail is ideal for routine maintenance, door repairs, and Porsche restoration projects.
What This Product Does:
- Guides the movement of the door window glass.
- Supports the cross arm window regulator assembly.
- Maintains correct window alignment during operation.
- Helps ensure smooth raising and lowering of the window.
- Reduces unwanted movement within the regulator mechanism.
- Replaces bent, worn, or damaged original lifter rails.
- Provides an OE-style fit and dependable quality.
Symptoms Of Wear Or Failure:
- Window difficult to raise or lower.
- Window glass tilting or becoming misaligned.
- Excessive play within the window mechanism.
- Grinding or binding during window operation.
- Bent or corroded lifter rail.
- Window regulator no longer operating smoothly.
- Door restoration requiring replacement window regulator components.
Why Replacement Matters:
- The window lifter rail is a key component of the cross arm window regulator, providing the guidance and support needed for smooth, controlled movement of the door glass. A worn, bent, or damaged rail can cause poor window alignment, increased strain on the regulator, and unreliable operation, potentially leading to further damage within the window mechanism.
- Replacing a faulty lifter rail restores smooth window movement, maintains correct glass alignment, and helps extend the service life of the complete regulator assembly. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match Window Lifter Rail provides the correct fit, reliable performance, and long-lasting durability, making it an excellent choice for Porsche maintenance, repairs, and restoration projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90154204
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- 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 1975-1977 3.0L Turbo (930)
Fits:
Porsche 911 1965-79 Cabrio / Targa
Diagram ref no 21
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90154204
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- 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 1975-1977 3.0L Turbo (930)
Fits:
Porsche 911 1965-79 Coupe
Diagram ref no 16.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90154204
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- 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 1975-1977 3.0L Turbo (930)

Fits:
Porsche 911 1969-79 Coupe
Click 'zoom in' for large parts diagram.
Diagram ref no 16.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90154204
The product you are viewing cross references to these numbers
- 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 1975-1977 3.0L Turbo (930)

Fits:
Porsche 911 1965-68 OUPE
From chassis numbers:
030 2921 >>
035 1599 >>
045 3638 >>
Click 'Zoom in' for large parts diagram.
Diagram ref no 9
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90154204
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)

Fits:
Porsche 911 1973-87
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91162401
The product you are viewing cross references to these numbers
- 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 1975-1977 3.0L Turbo (930)
Restore reliable electric window operation with this OE Match Window Motor featuring a 10 Teeth Cog, manufactured as a direct replacement. Produced to OE-style specifications, this window motor is designed for Coupe, Cabriolet, and Targa models, providing the power required to raise and lower the window smoothly and consistently.
Fits:
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
With age and repeated use, the original window motor can become weak, noisy, intermittent, or fail completely due to wear of the internal components or electrical faults. A failing motor can cause slow window movement, difficulty operating the window, or complete loss of function. Replacing a worn window motor restores dependable window operation and preserves the convenience and functionality of the vehicle. This OE Match component is ideal for routine maintenance, electrical repairs, and Porsche restoration projects.
What This Product Does:
- Powers the electric window regulator.
- Raises and lowers the side window smoothly.
- Features a 10 teeth drive cog for compatible applications.
- Fits Coupe, Cabriolet, and Targa models.
- Restores reliable operation of the electric window system.
- Replaces worn, weak, or failed original window motors.
- Provides an OE-style fit and dependable quality.
Symptoms Of Wear Or Failure:
- Slow or weak window operation.
- Window fails to move when the switch is operated.
- Intermittent window movement.
- Grinding, clicking, or unusual noises from the door.
- Window stopping before reaching the fully open or closed position.
- Motor operates but the window moves inconsistently.
- Complete failure of the electric window mechanism.
Why Replacement Matters:
- The window motor is the driving force behind the electric window system, providing the torque needed to operate the window regulator smoothly and reliably. A worn or faulty motor can leave the window difficult or impossible to operate, affecting vehicle security, weather protection, and everyday usability.
- Replacing the window motor restores smooth and dependable window operation, helping to protect the interior while maintaining the comfort and convenience expected from your Porsche. Manufactured as a direct replacement and produced to OE-style specifications, this OE Match window motor provides the correct fit, dependable quality, and long-lasting durability, making it an excellent choice for Porsche maintenance, electrical repairs, and restoration projects.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91162401
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97

Fits:
Porsche 911 1988-89 (not turbo)
Porsche 964 1989-94
Porsche 993 1994-98
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91162401
The product you are viewing cross references to these numbers
- Porsche 911 1987-1989 3.2L G50
- 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Fits:
Porsche 911 / 912 - 1965 to 1967
Does not fit 1968 models
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90154204
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)

Fits:
For cars with MANUAL window winder.
Porsche 911/912 1965-68
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90154204222
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
Fits:
Porsche 911 - 1969 to 1977
Section of diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91154204
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera

Fits:
Porsche 911 / 912 1965-69
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG54204122
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

Fits:
Porsche 911 / 912 1965-69
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG54204122
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

Fits:
Porsche 911 1965-89
Porsche 964 Carrera RS 1989-94
Porsche 993 Carrera RS 1994-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90154249521
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- 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 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 993 (911) RS 1994-97
Fits:
Porsche 911 1988-89
Porsche 964 1989-94
Porsche 993 1994-98
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91154293
The product you are viewing cross references to these numbers
- Porsche 911 1987-1989 3.2L G50
- 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 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
-
power windows 911 1987-89 804-10
-
window glazing 911 TARGA / CABRIO 1987-89 805-05
-
Power windows mechanical 911 1970-73 804-10
-
Window glazing windscreen 911 1970-73 TARGA 805-05
-
power windows 911 1984-86 804-10
-
window glazing 911 TARGA/CABRIO 1984-86 805-10
-
power windows electric 911 1970-73 804-15
-
Window glazing 911 1970-73 COUPE 805-00
-
Power windows 911 1974-77 804-10
-
window glazing front rear 911 1974-77 COUPE 805-00
-
window glazing windscreen 911 1974-77 TARGA 805-10
-
power windows mechanical (it is necessary to rework) 911 1965-69 804-10
-
power windows electric 911 1965-69 804-15
-
window glazing 911 COUPE upto 1968 805-00
-
window glazing 911 COUPE 1969 onwards 805-05
-
window glazing 911 TARGA 1965-69 805-10
-
power windows 911 TURBO 1975-77 804-10
-
window glazing front rear 911 TURBO 1975-77 805-00
Ensure smooth, reliable window operation with window lifters and motors from Design911. These essential components control the raising and lowering of your Porsche’s windows, combining mechanical precision with electrical efficiency for effortless performance.
Manufactured to OEM specifications, our window regulators and motors guarantee perfect alignment, durability, and quiet operation. Whether you’re replacing a failed motor, upgrading worn regulators, or restoring a classic Porsche’s manual mechanism, Design911 offers the complete range of electric and manual window systems for both driver and passenger sides.
From early 911s to the latest Taycan models, every part is designed to deliver factory-correct fitment, long service life, and flawless functionality — keeping your Porsche’s interior comfortable and convenient.
Electric Window Motors
OEM-grade electric motors that power window lifters with
precision and reliability. Available for all major Porsche models and door
configurations.
Manual Window Lifters & Regulators
Durable mechanical lifters for vintage Porsche models.
Ensure smooth manual window control and authentic restoration results.
Complete Window Regulator Assemblies
Pre-assembled window regulator units including tracks,
cables, and pulleys for fast, straightforward installation and perfect
alignment.
Switches & Electrical Controls
OEM-style window switches and wiring components that ensure
reliable operation and compatibility with Porsche’s electronic systems.
Classic Porsche Window Components
Reproduction regulators and motors designed for classic
Porsche models such as the 911, 912, and 356 — offering period-correct design
and modern reliability.