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Porsche // Cayman 987C / 981C (2005-2016) // Cayman S / R 3.4L 987C MKII 2009-12
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Inner door felt seal. Porsche 911 >>1985 (OE No. 91154240301, 91154240401) - 91154240
91154240
Vehicle Group
- 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)
- Porsche 911 1978-1989 3.3L Turbo (930)
Information
Inner door felt seal
These OE Match Inner Door Felt Seals are high-quality replacement components developed to replicate the original Porsche design for fit, finish, and function. Installed along the upper inner edge of the door frame, these felt-lined seals provide a smooth contact surface for the window glass during operation.
Sold as: Individual side-specific pieces
Fits:
Porsche 911 >>1985
Diagram ref no 25
Designed specifically for classic Porsche 911 models up to 1985, these seals are supplied individually and are side-specific, allowing precise replacement of either the left or right side as required. They are essential components in maintaining proper window operation and restoring factory-correct door function, particularly in restoration or refurbishment projects.
These inner felt seals provide a controlled, cushioned channel for the door glass, ensuring smooth window movement while reducing noise, vibration, and wear inside the door assembly.
Function
• Guides and stabilises window glass within the door frame
• Provides a soft felt-lined surface to prevent scratches
• Reduces friction during window operation
• Minimises rattling, vibration, and noise
• Maintains correct window alignment and sealing contact
Over time, the felt lining can wear down, flatten, or deteriorate, leading to increased friction and poor window guidance. This can result in scratched glass, misalignment, or noisy operation.
Replacing worn inner door felt seals restores smooth window function, protects the glass, and improves overall door refinement - especially important in classic Porsche restorations.
When to replace
• Window movement becomes stiff or uneven
• Visible wear, thinning, or damage to felt lining
• Glass shows signs of scratching or misalignment
• Increased rattling or noise from the door
• During door, window, or trim restoration
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91154240
The product you are viewing cross references to these numbers
These OE Match Inner Door Felt Seals are high-quality replacement components developed to replicate the original Porsche design for fit, finish, and function. Installed along the upper inner edge of the door frame, these felt-lined seals provide a smooth contact surface for the window glass during operation.
Sold as: Individual side-specific pieces
Fits:
Porsche 911 >>1985
Diagram ref no 25
Designed specifically for classic Porsche 911 models up to 1985, these seals are supplied individually and are side-specific, allowing precise replacement of either the left or right side as required. They are essential components in maintaining proper window operation and restoring factory-correct door function, particularly in restoration or refurbishment projects.
These inner felt seals provide a controlled, cushioned channel for the door glass, ensuring smooth window movement while reducing noise, vibration, and wear inside the door assembly.
Function
• Guides and stabilises window glass within the door frame
• Provides a soft felt-lined surface to prevent scratches
• Reduces friction during window operation
• Minimises rattling, vibration, and noise
• Maintains correct window alignment and sealing contact
Over time, the felt lining can wear down, flatten, or deteriorate, leading to increased friction and poor window guidance. This can result in scratched glass, misalignment, or noisy operation.
Replacing worn inner door felt seals restores smooth window function, protects the glass, and improves overall door refinement - especially important in classic Porsche restorations.
When to replace
• Window movement becomes stiff or uneven
• Visible wear, thinning, or damage to felt lining
• Glass shows signs of scratching or misalignment
• Increased rattling or noise from the door
• During door, window, or trim restoration
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91154240
91154240301
91154240401
The product you are viewing cross references to these numbers
Prices from: £40.50
Related products
Vehicle Group
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MK1 TURBO 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 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Information
Door seal, inner.
For cars with Aluminium Doors (option code: 599)
Fits:
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12
Porsche 997.2 Carrera 2009-12
Porsche 997.1 Turbo 2007-09
Porsche 997.1 Turbo 2010-13
Click 'Zoom in' for large parts diagram.
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99753753
The product you are viewing cross references to these numbers
For cars with Aluminium Doors (option code: 599)
Fits:
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12
Porsche 997.2 Carrera 2009-12
Porsche 997.1 Turbo 2007-09
Porsche 997.1 Turbo 2010-13
Click 'Zoom in' for large parts diagram.
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99753753
99753753108
99753753208
The product you are viewing cross references to these numbers
Prices from: £323.77
Vehicle Group
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Information
Door Window Belt Weatherstrip.
Fits:
Porsche 987.1 Boxster Spyder 2009-12
Porsche 987C.1 Cayman R 2009-13 (I599 - cars with Aluminium door)
Porsche 997.1 2009-12 (I599 - cars with Aluminium door)
Porsche 997.1 Turbo 2007-09
Porsche 997.2 Turbo 2010-13
Porsche 997 GT3 2007-11
Click 'Zoom in' for large parts diagram.
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99753708
The product you are viewing cross references to these numbers
Fits:
Porsche 987.1 Boxster Spyder 2009-12
Porsche 987C.1 Cayman R 2009-13 (I599 - cars with Aluminium door)
Porsche 997.1 2009-12 (I599 - cars with Aluminium door)
Porsche 997.1 Turbo 2007-09
Porsche 997.2 Turbo 2010-13
Porsche 997 GT3 2007-11
Click 'Zoom in' for large parts diagram.
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99753708
99753708503
99753708603
The product you are viewing cross references to these numbers
Prices from: £122.25
Information
Weatherstripping adhesive.
Perfect for sealing weatherstripping to door, hood, and trunk panels.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
00004330532
The product you are viewing cross references to these numbers
Perfect for sealing weatherstripping to door, hood, and trunk panels.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
00004330532
00004320438
00004320438
00004320348
99991529940
The product you are viewing cross references to these numbers
Price: £33.42
In stock
Vehicle Group
- 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 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- 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 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 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
Information
Door seal, inner.
For cars with Steel doors (option code: 590)
Fits:
Porsche 987.1 Boxster 2005-08
Porsche 987.2 Boxster 2009-12
Porsche 987C.1 Cayman 2005-08
Porsche 987C.2 Cayman 2009-12
Porsche 997.1 Carrera 2005-08
Porsche 997.2 Carrera 2009-12
Click 'Zoom in' for large parts diagram.
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99753753
The product you are viewing cross references to these numbers
For cars with Steel doors (option code: 590)
Fits:
Porsche 987.1 Boxster 2005-08
Porsche 987.2 Boxster 2009-12
Porsche 987C.1 Cayman 2005-08
Porsche 987C.2 Cayman 2009-12
Porsche 997.1 Carrera 2005-08
Porsche 997.2 Carrera 2009-12
Click 'Zoom in' for large parts diagram.
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99753753
99753753207
99753753107
99753753206
99753753106
The product you are viewing cross references to these numbers
Prices from: £382.64