Side Sill Trims / Skirts
Porsche 924 Side Sill Cap Set - Sold as a car set of 4
The Porsche 924 Side Sill Cap Set is a replacement trim that
protects the rocker panel ends from dirt and moisture while restoring a clean,
factory-correct finish ideal for restorations or routine maintenance.
Fits:
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
Diagram ref no 5 and 6
What the Product Does
- Protects sill ends from dirt, stone chips, and road spray.
- Seals vulnerable edges to prevent water ingress and corrosion.
- Provides a clean, finished look to the rocker panel area.
- Restores original factory styling.
Symptoms of Worn or Missing Sill Caps
- Exposed or uneven edges on the rocker panel.
- Increased dirt or moisture accumulation around the sill area.
- Rust starting around the sill ends.
- Trim pieces missing, cracked, or loose.
Common Reasons for Failure
- Aging
Plastic: Original parts become brittle and crack over time.
- Road
Debris: Impacts from stones and grit cause breakage.
- Weather
Exposure: Heat, cold, and UV light degrade materials.
- Accidental Damage: Removal during repairs or maintenance can damage the caps.
Why Replace?
- Prevents
rust and corrosion in critical sill areas.
- Restores
a finished, OEM look to your Porsche 924.
- Keeps debris and moisture from collecting in exposed areas.
- Affordable upgrade that makes a big difference in appearance and protection.
Ideal For: Porsche 924 owners restoring their cars, repairing sill damage, or replacing cracked/missing trim caps.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
477853735A
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
Porsche 924 Side Sill Cap Set - Sold as a pair for one side
The Porsche 924 Side Sill Cap Set is a replacement trim that
protects the rocker panel ends from dirt and moisture while restoring a clean,
factory-correct finish ideal for restorations or routine maintenance.
Fits:
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
Diagram ref no 5 and 6
What the Product Does
- Protects sill ends from dirt, stone chips, and road spray.
- Seals vulnerable edges to prevent water ingress and corrosion.
- Provides a clean, finished look to the rocker panel area.
- Restores original factory styling.
Symptoms of Worn or Missing Sill Caps
- Exposed or uneven edges on the rocker panel.
- Increased dirt or moisture accumulation around the sill area.
- Rust starting around the sill ends.
- Trim pieces missing, cracked, or loose.
Common Reasons for Failure
- Aging
Plastic: Original parts become brittle and crack over time.
- Road
Debris: Impacts from stones and grit cause breakage.
- Weather
Exposure: Heat, cold, and UV light degrade materials.
- Accidental Damage: Removal during repairs or maintenance can damage the caps.
Why Replace?
- Prevents
rust and corrosion in critical sill areas.
- Restores
a finished, OEM look to your Porsche 924.
- Keeps debris and moisture from collecting in exposed areas.
- Affordable upgrade that makes a big difference in appearance and protection.
Ideal For: Porsche 924 owners restoring their cars, repairing sill damage, or replacing cracked/missing trim caps.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
477853735A
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
Porsche Side Sill Trims & Skirts | Aerodynamic Design with Style and Function
Side sill trims and skirts are essential components of your Porsche’s exterior design, providing both aerodynamic efficiency and a refined, sporty look. These panels streamline airflow along the vehicle’s sides, reduce drag, and enhance stability at higher speeds — all while protecting the lower bodywork from debris and road wear.
At Design911, we supply a wide range of high-quality side sill trims and skirts made from lightweight materials such as carbon fibre, fiberglass, and reinforced composites. Precision-moulded for perfect fitment, these components deliver superior durability and finish — whether you’re refreshing worn trims, upgrading for a sportier stance, or completing a full body conversion.
From classic 911 models to modern Cayman, Boxster, and Taycan variants, our side skirts combine performance styling with lasting protection, offering the ideal solution for enthusiasts seeking motorsport-inspired design with everyday practicality.
What Do Side Sill Trims and Skirts Do?
Side sill trims and skirts improve the aerodynamic profile of your Porsche while adding visual balance to the car’s exterior.
Core Functions:
Direct airflow along
the car’s sides to reduce drag and turbulence.
Enhance aerodynamic efficiency and
improve vehicle stability.
Protect lower body panels from
stones, mud, and debris.
Visually lower the vehicle’s profile for a sportier, more aggressive stance.
Complement front and rear spoilers for a cohesive aerodynamic setup.
Properly fitted side skirts can reduce lift, increase stability, and add a distinctive, performance-oriented character to your Porsche.
Why Do Side Sill Trims and Skirts Fail or Degrade?
While designed for durability, side trims are constantly exposed to environmental and physical stresses that can cause wear or damage over time.
Common Causes of Failure Include:
- Impact damage from curbs or road debris.
- Cracking or chipping from age or stress.
- UV exposure leading to discoloration or fading.
- Corrosion or fatigue in mounting points or fasteners.
- Improper installation causing misalignment or vibration.
Damaged side skirts can disrupt airflow, reduce aerodynamic efficiency, and detract from your Porsche’s clean, streamlined appearance — making repair or replacement essential for performance and aesthetics.
Why Replace or Upgrade Your Porsche Side Sill Trims or Skirts?
Upgrading or replacing your Porsche’s side sill trims restores both aerodynamic balance and design integrity, ensuring your vehicle performs and looks its best.
Key Benefits:
- Improves aerodynamic stability and efficiency.
- Protects lower panels from dirt and impact damage.
- Enhances the visual profile with a performance-inspired look.
- Lightweight construction for better performance.
- Precision fitment for easy installation and secure mounting.
- Available in various finishes — gloss black, carbon fibre, or body-coloured.
Ideal for both track-focused builds and street-driven upgrades, these parts provide the perfect combination of functionality, performance, and style.
Highlights:
- Premium Porsche side sill trims and skirts.
- Aerodynamically tested designs for improved stability.
- Durable materials like carbon fibre and composite blends.
- Direct-fit replacements for Porsche 911, Cayman, Boxster, Taycan and more.
- Restores protection and enhances styling. Perfect for performance or restoration projects.