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Side Sill Seals

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DOORSILLKIT2
Product Information
Product Information
Restore and protect your Porsche 911’s cabin with this complete Door Sill Protector and Inner Carpet Retainer Kit. The left and right black rubber door threshold protectors fit precisely along the side sills to guard against scuffs, scratches, and moisture, while the matching inner carpet retainers keep the carpet edges neatly in place. Each piece replicates the original Porsche profile, material thickness, and texture for an authentic fit and finish.  

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 1978-1983 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)  





Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

DOORSILLKIT2
9015514192870K
90155141950
90155141928
91155161900
91155162000

The product you are viewing cross references to these numbers
DOORSILLKIT
Product Information
Product Information
Restore and protect your Porsche 911’s cabin with this complete Door Sill Protector and Inner Carpet Retainer Kit. The left and right black rubber door threshold protectors fit precisely along the side sills to guard against scuffs, scratches, and moisture, while the matching inner carpet retainers keep the carpet edges neatly in place. Each piece replicates the original Porsche profile, material thickness, and texture for an authentic fit and finish.  

Fits:
Porsche 911 G-Model 1974-89
Porsche 911 (930) Turbo 1975-89

Porsche 964 Carrera 1989-90

NOTE: This kit also fits F-Model 911s from 1965 to 1973. However, when replacing the original chrome-metal scuff plates on these models, please be aware that some mounting holes may remain visible. The rubber version’s lip does not extend as far down as the original chrome trim. 


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

DOORSILLKIT
90155111550
90155111650
90155111520
91155111900
91155161900
90155111620
91155112000
91155162000
90155141950
90155141928
9015514192870K
90155111551
90155111651

The product you are viewing cross references to these numbers
90155111551/AKIT
Product Information
Product Information

Black Aluminium Door Threshold Side Sill Protectors

Protect your Porsche's interior while restoring the original factory appearance with these OE Match Black Aluminium Door Threshold Side Sill Protectors Manufactured to replicate the original factory specification, this complete kit includes both the left-hand and right-hand door threshold protectors, providing a factory-style appearance while protecting the painted door sills from everyday wear.


Fits:

  • Porsche 911 1965-1968 2.0L / 912 SWB (F)
  • Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)  

Diagram ref no 33

Finished in black anodised aluminium, these threshold trims protect the painted door sills from scuffs, scratches and everyday wear while adding a smart, factory-correct finishing touch to the cabin. Ideal for restoration projects or replacing worn original trims, they help preserve both the appearance and value of your classic Porsche.

Kit Contents

This complete OE Match kit includes:

  • 1 × Left-hand black aluminium door threshold side sill protector.
  • 1 × Right-hand black aluminium door threshold side sill protector.

A convenient and cost-effective way to replace both sill protectors together for a consistent factory-fresh appearance.

What Do the Door Threshold Side Sill Protectors Do?

Door threshold protectors are designed to shield one of the highest wear areas of the vehicle.

Their primary functions include:

  • Protecting the painted door sill from scratches and scuff marks.
  • Reducing wear caused by entering and exiting the vehicle.
  • Providing a durable protective surface over the sill panel.
  • Enhancing the appearance of the interior door opening.
  • Delivering the original factory-style finish expected on early Porsche 911 models.

These trims not only improve appearance but also help preserve the bodywork beneath.

Why Do Door Threshold Protectors Fail?

After years of regular use, the original sill protectors can become damaged through constant foot traffic and exposure.

Common causes of deterioration include:

  • Scratches and abrasion from footwear.
  • Dents caused by impacts or heavy objects.
  • Fading or wear of the black anodised finish.
  • Corrosion from trapped moisture.
  • Distortion during removal or previous repairs.
  • Loose or damaged mounting points.

Worn threshold trims can significantly detract from the appearance of an otherwise well-maintained or restored interior.

When Should They Be Replaced?

Replacement is recommended when:

  • The aluminium trim is scratched, dented or corroded.
  • The original finish has faded or worn away.
  • The protectors have become loose or damaged.
  • Completing a full interior or body restoration.
  • Repainting or repairing the door apertures.
  • Returning the vehicle to factory-correct specification.

Replacing worn sill protectors provides an immediate improvement to the appearance of the vehicle while protecting newly painted bodywork from future damage.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90155111551
90155111550
90155111650
90155111551
90155111651

The product you are viewing cross references to these numbers
93055910301/1KIT
Product Information
Product Information
Side Sill Rubber / Rocker Panel Seal set
This OE Match side sill rubber set is a direct replacement for Porsche part number 93055910301, manufactured to original specifications for precise fitment and long-lasting durability. Supplied as a set of two, it provides a complete solution for both sides of the vehicle.

Fits:
Porsche 911 / 930 1974 - 1989

Diagram ref. no 8

These side sill rubbers seal the rocker panel area on both sides of the vehicle, preventing contaminants from entering body seams while enhancing the overall exterior finish.

By replacing both sides together, the vehicle maintains a consistent appearance and proper protection across the full length of the sills.

Function
•  Seals and protects both side sill / rocker panel areas
•  Prevents ingress of dirt, moisture, and debris
•  Enhances exterior appearance and uniformity
•  Protects bodywork from wear and corrosion

Over time, sill rubbers can crack, shrink, or deteriorate due to age and exposure. Worn seals can allow moisture and debris to accumulate, increasing the risk of corrosion and affecting the vehicle’s appearance.

Replacing both sides together ensures proper sealing, protects the bodywork, and restores the original factory look - especially important for classic Porsche restoration.

When to replace
 Cracked, hardened, or perished rubber
 Loose or missing trim along the sill
 Visible gaps allowing dirt or water ingress
 During restoration or repainting
 Faded or deteriorated exterior trim

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

93055910301
93055910301

The product you are viewing cross references to these numbers
91155161900/PAIR
Product Information
Product Information

Rubber Door Entry Protector Strips.
The OE Match Rubber Door Entry Protector Strips are premium-quality replacement protective trims designed to safeguard the door entry and threshold areas on compatible classic Porsche models. Manufactured to OE specifications for fit, profile and durability, these rubber protector strips help protect painted surfaces from scuffs, scratches and abrasion caused by everyday entry and exit, while maintaining the authentic factory appearance of the vehicle.  

NOTE:
 This product also fits F-Model 911s from 1965 to 1973. However, when replacing the original chrome-metal scuff plates on these models, please be aware that some mounting holes may remain visible. The rubber version’s lip does not extend as far down as the original chrome trim. 

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 1978-1983 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)
  • 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  

Diagram Ref No 15

Manufactured from premium automotive-grade EPDM rubber, the protector strips are engineered to withstand repeated foot traffic, UV exposure, moisture, road salt and temperature extremes without cracking, hardening or fading. Precision-extruded to replicate the original Porsche profile, they provide direct OE-style fitment and are supplied as a pair, making them ideal for complete restoration projects or replacing worn, damaged or missing originals.

What This Product Does:
  • Protects the door entry and threshold areas from scuffs and scratches.
  • Helps preserve the painted finish of the side sills.
  • Reduces wear caused by repeated entry and exit.
  • Restores the original appearance of the door opening.
  • Provides a cushioned protective surface.
  • Resists moisture, dirt and everyday abrasion.
  • Provides factory-style fitment and finish.
  • Forms an essential part of the vehicle's door entry trim system.

Symptoms Of Wear Or Failure:
  • Cracked, split or hardened rubber.
  • Loose or detached protector strips.
  • Faded or deteriorated appearance.
  • Missing sections of the rubber strip.
  • Exposed painted door thresholds.
  • Increased scuff marks and scratches on the sill.
  • Shrinking or distorted rubber.
  • Poor fit against the bodywork.
  • Reduced protection from everyday wear.
  • Diminished originality during restoration.

Why Replacement Matters:
  • The door entry protector strips are continually exposed to foot traffic, moisture, sunlight and daily wear. Over time, the rubber can harden, crack or become detached, reducing its ability to protect the painted threshold from abrasion and damage.
  • Worn or missing protector strips leave the door entry area vulnerable to scratches, paint damage and corrosion, particularly on classic Porsche models where preserving the original bodywork is essential. Damaged trim can also detract from the appearance and value of the vehicle.
  • Replacing worn or damaged rubber door entry protector strips restores the original level of protection while maintaining the authentic factory appearance of the interior and bodywork. The OE Match replacements provide factory-style fitment, premium EPDM rubber construction and long-lasting durability, making them the ideal solution for Porsche restoration, repair and preventative maintenance.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91155161900
90155111550
90155111650
90155111520
91155111900
91155161900
90155111620
91155112000
91155162000
90155111551
90155111651

The product you are viewing cross references to these numbers
90155910553KIT
Product Information
Product Information
Side Sill Moulding Kit
Sold as a pair

Fits:
Porsche 911 - 1969 to 1973 (LWB)
Long Wheel Base Cars

Diagram ref no 25



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90155910553KIT
90155910553

The product you are viewing cross references to these numbers
90155910553/1KIT
Product Information
Product Information
Side Sill Mouldings + Rubber Seals. Set of 2  fits both left & right side 

Wide Moulding & Rubber 59.5" Long
Diagram Ref No.25

oematch

Fits:
Porsche 911 1969-73 (LWB)
Long Wheel Base Cars



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90155910553
90155910553
901.559.105.53
901 559 105 53 90155910653
901.559.106.53
901 559 106 53 9999111984B
999.911.198.4B
999 911 198 4B

The product you are viewing cross references to these numbers
901559111KIT
Product Information
Product Information
Side sill panel end caps, in Chrome.
SET OF 4 FOR BOTH SIDES

Fits:
Porsche 911 1968-73

Diagram ref no 28 & 29

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

901559111KIT
90155911150
911287-04
90155911250
911287-03
90155911350
911287-03
90155911450
911287-04

The product you are viewing cross references to these numbers
90155141950/1
Product Information
Product Information
Carpet retainer just inside the door (EACH)
Aluminium finish (ribbed).
Sold individually, fits both left or right side

Fits:
Porsche 911 1965 - 1989
Porsche 964 >>1990

This OE Match aluminium carpet retainer is a replacement interior trim strip for Porsche 911 models from 1965 to 1989 and Porsche 964 models up to 1990. It is fitted just inside the door opening and features a ribbed aluminium finish, helping restore the correct classic Porsche interior detail.

The carpet retainer secures and finishes the edge of the carpet where it meets the door opening. It helps hold the carpet neatly in place, protects the carpet edge from wear, and provides a clean aluminium trim finish along the inner sill / doorway area.

Functions
•  Retains the carpet edge just inside the door opening
•  Helps prevent carpet lifting, curling, or fraying
•  Provides a clean ribbed aluminium trim finish
•  Protects the carpet edge from foot traffic and wear
•  Fits either left or right side
•  Replaces bent, scratched, missing, corroded, or worn original retainers
•  OE Match replacement for interior trim restoration.

Why Replace This Part?
Carpet retainers can become scratched, dented, bent, corroded, loose, or missing over time due to foot traffic, moisture, age, and previous interior work. A damaged retainer can leave the carpet edge exposed or make the doorway area look unfinished. Replacing it helps restore a tidy, secure carpet edge and the correct OE-style aluminium interior appearance.

When to Replace This Part
•  The original carpet retainer is missing, bent, scratched, or damaged
•  The carpet edge is loose, lifting, curled, or fraying
•  The interior carpet set is being replaced or restored
•  The doorway trim area looks worn or incomplete
•  The aluminium finish is dull, corroded, or heavily market
•  The vehicle is undergoing Porsche 911 or 964 interior restoration
•  A correct ribbed aluminium carpet trim finish is required.

Where it fits on the car
This carpet retainer fits just inside the door opening, along the carpet edge in the inner sill / doorway area. It can be used on the left or right side depending on the installation requirement.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90155141950
9015514192870K
90155141950
90155141928

The product you are viewing cross references to these numbers
9015514192870K/1
Product Information
Product Information
Carpet retainer just inside the door - Black finish (ribbed)
This Carpet Retainer is an OE-style interior trim strip designed to secure and finish the edge of the carpet along the door sill area in classic Porsche models. Designed for left or right-side fitment, the retainer integrates seamlessly with the vehicle’s interior trim and is typically used in pairs for a complete installation.
Sold each.

Fits:
Porsche 911 1965 - 1989
Porsche 964 >>1990

This OE match carpet retainer is a direct replacement for the original Porsche sill trim strip used in 911 and early 964 models. Installed just inside the door opening, it holds the edge of the interior carpet firmly in place while providing a clean, finished transition between the carpet and door threshold.

Manufactured in a black ribbed finish, this version replicates the factory appearance used in many models, offering both durability and period-correct styling. The ribbed aluminium construction ensures strength while maintaining a lightweight design.

This trim strip secures the carpet edge along the sill, preventing lifting, fraying, or movement. It also enhances the visual finish of the interior by covering raw carpet edges and providing a neat, factory-correct appearance.

Function
Secures carpet edges along the door sill
 Prevents carpet movement, lifting, or fraying
 Provides a clean and finished interior edge
 Protects carpet from wear at entry points
 Enhances interior appearance with OE-style trim

Carpet retainers are exposed to frequent foot traffic and can become scratched, loose, or corroded over time. A worn or missing retainer can allow the carpet to shift or fray, detracting from the interior’s appearance. Replacing it restores both functionality and the original factory look.

When to replace
  Carpet edge is loose or lifting
  Retainer is scratched, bent, or corroded
  During interior restoration or carpet replacement
  Missing or incorrectly fitted trim strip
  Visible wear in door entry areas

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9015514192870K
9015514192870K
90155141950
90155141928

The product you are viewing cross references to these numbers
90155141950/2
Product Information
Product Information
Carpet retainer just inside the door (EACH)
Chrome finish (polished)
Fits: left or right side

Fits:
Porsche 911 1965-89

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90155141950
90155141950

The product you are viewing cross references to these numbers
90155141900SET
Product Information
Product Information
Door sill threshold strips, polished chrome replicated to match the classic 60's Porsche 911 interior carpet holders.

SET OF 2 CHROME FINISH

oematch

Fits:
Porsche 911 1965-73



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90155141900SET
90155141900
1689807200

The product you are viewing cross references to these numbers
90155111
Product Information
Product Information

Black Aluminium Door Threshold Side Sill Protectors

Protect your Porsche's interior while restoring the original factory appearance with these OE Match Black Aluminium Door Threshold Side Sill Protectors Manufactured to replicate the original factory specification, these direct replacement threshold protectors provide the correct fit, finish and durability for early air-cooled 911 models.

Fits:

  • Porsche 911 1965-1968 2.0L / 912 SWB (F)
  • Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)  

Diagram ref no 33

Finished in black anodised aluminium, these threshold trims protect the painted door sills from scuffs, scratches and everyday wear while adding a smart, factory-correct finishing touch to the cabin. Ideal for restoration projects or replacing worn original trims, they help preserve both the appearance and value of your classic Porsche.

What Do the Door Threshold Side Sill Protectors Do?

Door threshold protectors are designed to shield one of the highest wear areas of the vehicle.

Their primary functions include:

  • Protecting the painted door sill from scratches and scuff marks.
  • Reducing wear caused by entering and exiting the vehicle.
  • Providing a durable protective surface over the sill panel.
  • Enhancing the appearance of the interior door opening.
  • Delivering the original factory-style finish expected on early Porsche 911 models.

These trims not only improve appearance but also help preserve the bodywork beneath.

Why Do Door Threshold Protectors Fail?

After years of regular use, the original sill protectors can become damaged through constant foot traffic and exposure.

Common causes of deterioration include:

  • Scratches and abrasion from footwear.
  • Dents caused by impacts or heavy objects.
  • Fading or wear of the black anodised finish.
  • Corrosion from trapped moisture.
  • Distortion during removal or previous repairs.
  • Loose or damaged mounting points.

Worn threshold trims can significantly detract from the appearance of an otherwise well-maintained or restored interior.

When Should They Be Replaced?

Replacement is recommended when:

  • The aluminium trim is scratched, dented or corroded.
  • The original finish has faded or worn away.
  • The protectors have become loose or damaged.
  • Completing a full interior or body restoration.
  • Repainting or repairing the door apertures.
  • Returning the vehicle to factory-correct specification.

Replacing worn sill protectors provides an immediate improvement to the appearance of the vehicle while protecting newly painted bodywork from future damage.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90155111
90155111550
90155111650
90155111551
90155111651

The product you are viewing cross references to these numbers
Special Order item
9115516
Product Information
Product Information
Door threshold side sills protector black rubber.

Fits:
Porsche 911 1965-89
Porsche 964 1990-94
Porsche 993

Diagram ref no 15

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9115516
91155162000
90155111620
90155111520
90155112000
90155111620
91155161900

The product you are viewing cross references to these numbers
90155111
Product Information
Product Information
Door Threshold Side Sills Protector, Chrome.

The OE MATCH Door Threshold Side Sills Protector, Chrome are OE-matching trim components designed to protect the painted door sill areas from scuffs, scratches, and wear caused by entering and exiting the vehicle. Finished in an attractive chrome appearance, these threshold protectors enhance the interior presentation while helping preserve the condition of the bodywork beneath.

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 1978-1983 3.0L / SC

These sill protectors are engineered to provide a precise fit, durable protection, and a factory-correct appearance. Suitable for restoration projects and replacement of worn originals, they help maintain both the aesthetics and value of classic Porsche models.

What This Product Does:
  • Protects door sill paintwork from scuffs and scratches
  • Enhances interior appearance with a chrome finish
  • Covers and protects high-wear entry and exit areas
  • Helps preserve original bodywork condition
  • Provides a factory-style finishing touch to the cabin
  • Supports vehicle restoration and refurbishment projects

Symptoms Of Wear Or Failure:
  • Scratches, scuffs, or surface wear
  • Dents or impact damage
  • Chrome finish becoming dull or pitted
  • Corrosion or tarnishing
  • Loose fitment or lifting edges
  • Missing or damaged mounting points
  • Visible deterioration affecting interior presentation

Why Replacement Matters:
  • Restores protection to vulnerable door sill areas
  • Improves overall vehicle presentation and interior appearance
  • Prevents further damage to painted sill surfaces
  • Maintains factory-correct styling and finish
  • Enhances the value and originality of the vehicle
  • Supports restoration and concours preparation projects
  • Provides durable long-term protection against daily wear
  • Ensures a clean, finished appearance when entering and exiting the vehicle



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90155111
90155111550
90155111650
90155111551
90155111651

The product you are viewing cross references to these numbers
90155100010
Product Information
Product Information
Door Threshold Side Sills Protectors.
The OE Match Door Threshold Side Sill Protectors are premium-quality replacement sill trim protectors designed to protect the door threshold area on compatible classic Porsche models. Manufactured to OE specifications for fit, finish and durability, these protectors help safeguard the painted side sills from scuffs, scratches and everyday wear while restoring the original factory appearance of the vehicle's entry area.  

Fits:

  • Porsche 911 1965-1968 2.0L / 912 SWB (F)
  • Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)  

Manufactured from high-quality automotive-grade material with a durable, wear-resistant finish, the side sill protectors are engineered to withstand repeated foot traffic, abrasion, moisture and changing temperatures. Precision-manufactured for direct OE-style installation, they fit securely using the original mounting locations, making them ideal for restoration projects or replacing worn, damaged or missing original threshold trims.  

What This Product Does:
  • Protects the door threshold and side sill from scuffs and scratches.
  • Restores the original appearance of the vehicle's entry area.
  • Covers and protects painted sill surfaces from everyday wear.
  • Helps reduce damage caused by footwear and luggage.
  • Provides factory-style fitment and finish.
  • Enhances the appearance of the vehicle's interior.
  • Replaces worn, damaged or missing sill protectors.
  • Forms an essential part of the interior body trim system.

Symptoms Of Wear Or Failure:
  • Scratched, dented or worn trim.
  • Loose or poorly fitting sill protectors.
  • Cracked or damaged threshold trim.
  • Corrosion or deterioration where applicable.
  • Missing retaining clips or fixings.
  • Exposed paintwork vulnerable to damage.
  • Increased wear to the door sill area.
  • Cosmetic deterioration affecting the interior.
  • Rattling or movement when entering or exiting the vehicle.
  • Reduced originality during restoration.

Why Replacement Matters:
  • The door threshold is one of the highest-wear areas of any vehicle, subjected to continual foot traffic, luggage movement and repeated entry and exit. Over time, the original sill protectors can become scratched, loose or damaged, reducing their ability to protect the underlying painted bodywork.
  • A worn or missing sill protector leaves the door threshold vulnerable to scuffs, scratches and corrosion, particularly on classic Porsche models where preserving the original bodywork is essential. Damaged trim can also detract from the vehicle's appearance and originality, reducing its overall presentation and value.
  • Replacing worn or damaged door threshold side sill protectors restores the factory finish while protecting the painted sill from further wear. The OE Match replacements provide precise OE-style fitment, premium-quality construction and long-lasting durability, making them an excellent choice for Porsche restoration, repair and preventative maintenance.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90155100010
90155111550
90155111650
90155111551
90155111651

The product you are viewing cross references to these numbers
DISPLAYING 1 to 16 (of 33 products)
1 2 3
Also found on these pages
About Side Sill Seals

Porsche Side Sill Seals | Design911 Rubber Weatherstrips for Body Protection & Durability

Side sill seals are essential for protecting your Porsche’s lower body panels from water, dirt, and debris. These precision-moulded rubber seals create a tight barrier along the sill and door threshold area, preventing moisture and corrosion from damaging the body structure. A proper seal also helps reduce wind noise and vibration, ensuring your Porsche remains solid, quiet, and structurally sound through every drive.

At Design911, we supply a premium range of side sill rubber seals and trim components designed for durability, flexibility, and perfect fitment. Manufactured from high-quality EPDM and UV-resistant rubber, our seals deliver long-term resistance to heat, ozone, and environmental wear. Ideal for restoration, repair, or performance detailing, these components preserve your Porsche’s bodywork integrity while enhancing comfort and refinement.

What Do Side Sill Seals Do?

Side sill seals protect the lower body sections of your Porsche, forming a secure barrier between the doors, sills, and underbody panels.

Core Functions:
• Prevent water, mud, and debris from entering the sill area or cabin.
• Reduce vibration and noise at higher speeds.
• Protect painted and structural surfaces from corrosion and impact wear.
• Maintain aerodynamic flow and visual alignment.
• Support door sealing for optimal cabin insulation.

Strong, well-fitted side sill seals ensure lasting protection for both the vehicle’s exterior finish and interior comfort.

Why Do Side Sill Seals Fail or Degrade?

Constant exposure to road spray, temperature extremes, and physical abrasion leads to gradual deterioration of sill seals over time.

Common Causes of Failure Include:
• UV and ozone damage causing hardening or cracking.
• Compression fatigue from door closing pressure.
• Accumulation of dirt or debris degrading rubber flexibility.
• Corrosion or misalignment along the sill edge.
• Age-related shrinkage or loss of sealing contact.

When side sill seals fail, water and dirt can collect inside the sill cavity — accelerating corrosion and reducing sound insulation and comfort.

Why Replace or Upgrade Your Porsche Side Sill Seals?

Replacing old or damaged sill seals restores protection and structural preservation. Upgraded rubber materials offer improved elasticity, UV resistance, and compression recovery for long-lasting sealing performance.

Key Benefits:
• Restores watertight and dustproof sealing around sills and doors.
• Prevents corrosion and moisture build-up in lower body panels.
• Reduces road noise and vibration for a smoother ride.
• Constructed from high-quality, weather-resistant rubber.
• Fits Porsche 911, 944, 968, Boxster, Cayman, and Panamera models.
• Ideal for restorations, performance detailing, or preventative maintenance.

Design911’s Porsche side sill seals are precision-engineered for perfect fitment and endurance — delivering reliable protection and premium refinement for every model.

Highlights

• Premium Porsche side sill rubber seals and trim components.
• Designed for exact fitment and long service life.
• Resistant to UV, ozone, heat, and environmental wear.
• Protects against corrosion and noise intrusion.
• Compatible with both classic and modern Porsche models.
• Perfect for restoration, maintenance, or body protection upgrades.

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