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Porsche > 991 (911) MK2 2016-2019 > 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19 > Chassis / Bodywork >

Side Sill Panels

Side Sill Panels

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DISPLAYING 1 to 4 (of 4 products)
RS flared side sill skirt kit. Porsche 991 turbo / turbo S / GT3 RS
4
RS flared side sill skirt kit. Porsche 991 turbo / turbo S / GT3 RS
99150459590KIT
Product Information
Product Information
RS flared side sill skirt kit. 
Includes left and right skirt

porsche

Fits:
Porsche 991 turbo / turbo S - 2014 to 2019
Porsche 991 GT3 RS - 2015 to 2017

This direct replacement for the standard sill trims adds a more aggressive look. Compared to the standard turbo skirts, it features an approximate three-inch flare.
The set includes both left and right sills.


Side sill, Black. Porsche 991 GT3 RS - 991504595901E0, 991504596901E0
3
Side sill, Black. Porsche 991 GT3 RS
Special Order item
99150459
Product Information
Product Information
Side sill, Black.

Fits:
Porsche 991 GT3 RS 2014 to 2017

Diagram ref no 1

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Related, superseded, cross reference or alternative numbers for comparison.

99150459
991504595901E0
991504596901E0

The product you are viewing cross references to these numbers
Side sill, Black. Porsche 991.1 & 991.2 C4 /C4S / Targa 4 / Targa 4S / GT3 - 991504595031E0, 991504595021E0, 991504596031E0, 991504596021E0
7
Side sill, Black. Porsche 991.1 & 991.2 C4 /C4S / Targa 4 / Targa 4S / GT3
Special Order item
99150459
Product Information
Product Information
Side sill, Black.

porsche

Fits:
Porsche 991.1 Carrera C4 / C4S / Targa 4 / Targa 4S  2012-16
Porsche 991.2 Carrera C4 / C4S / Targa 4 / Targa 4S  2017-19
Porsche 991 GT3 / 991 R  2014-21

Click 'Zoom in' for large parts diagram.
Diagram ref no 1

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Related, superseded, cross reference or alternative numbers for comparison.

99150459
991504595031E0
991504595021E0
991504596031E0
991504596021E0

The product you are viewing cross references to these numbers
Side skirts for Porsche 911/991 - CSL461
4
Side skirts for Porsche 911/991
SS443
Product Information
Product Information
Side skirt set (2 pieces) suitable for Porsche 911/991 year of construction from 09/2011
• suitable for the model/body variant(s) Carrera 4, Carrera 4S, Targa 4, Targa 4S, Turbo, Turbo S, GT2, GT2 RS, GT3, GT3 RS, Carrera GTS, Carrera 4 GTS and Carrera R

• With expert opinion and therefore entry-free
• Mounting accessories, if required
• assembly Instructions
• Side skirts are made of the innovative and high-quality material Fiberflex. The advantages of this new composite material: Extremely high flexibility combined with great stability, shatter resistance and non-flammability. A very high production quality and the low weight even allow it to be used in professional racing. The characteristic black surface is characterized by good processing options and guarantees professional results.
• Uniform surface structure enables painting without extensive preparatory work
• Material is flexible

Please note: This is a special-order item, can take 8-12 weeks to be delivered and once ordered cannot be cancelled.
DISPLAYING 1 to 4 (of 4 products)
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About Side Sill Panels

Reinforce your Porsche’s strength, style, and structure with genuine Porsche and reproduction side sill panels from Design911. The side sill, also known as the rocker panel, is a vital component of your vehicle’s chassis and lower body structure - providing rigidity, impact protection, and smooth aerodynamic flow along the sides of the car.

Over time, sill panels can become corroded or damaged, especially on classic Porsche models. Design911 offers a complete selection of OEM and reproduction sill panels engineered to original factory dimensions and specifications, ensuring flawless alignment, superior rust protection, and seamless integration with surrounding panels.

Whether you’re performing a concours-level restoration, repairing damage, or upgrading body rigidity, our side sill panels deliver authentic Porsche craftsmanship and durability.

Genuine Porsche Side Sill Panels
OEM factory panels designed to match Porsche’s exact fit and finish. Provide original strength, shape, and corrosion protection for a perfect body restoration.

Reproduction Sill Panels
High-quality reproduction panels made to OEM dimensions. Ideal for classic Porsche restorations where originality and affordability are key.

Outer Sill Panels
Visible body components that form the lower edge of the vehicle’s side profile. Protect the frame and enhance the Porsche’s exterior aesthetics.

Inner Sill Reinforcement Panels
Structural inner panels that add rigidity and support to the chassis. Critical for maintaining Porsche’s signature handling and safety.

Sill Repair Sections
Localized repair panels that allow partial restoration of damaged or corroded areas without replacing the entire sill assembly.

Mounting Brackets, Caps & Fittings
All necessary mounting accessories and end caps for accurate installation and long-term durability of Porsche sill assemblies.

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