Porsche 911 997 Carrera S Front Wheel Drilled Brake Disc Left N/S 99635140501

Porsche 911 997 Carrera S Front Wheel Drilled Brake Disc Left N/S is a component from the Brake discs group, designed for installation on the front left axle of Porsche sports models. The drilled design of the disc supports efficient heat and gas dissipation, which promotes stable brake system performance during dynamic driving.

Specifications and technical data

• SKU: 99635140501
• Mark: Porsche
• Condition: Used
• OEM Part Number: 99635140501
• Substitutable numbers: 99635140501, 996 351 405 01
• Location on the vehicle: Front, Left
• Part type: Brake Disc Rotor
• Category: Brake Disc Rotors

Purpose and vehicle positioning

The presented disc is designed to operate on the front left side of the brake system. This positioning is crucial for the correct distribution of braking forces and maintaining vehicle stability at high speeds. Proper selection of the mounting side is particularly important in the case of drilled discs, where the direction of the holes and channels affects cooling efficiency and the removal of debris.

Technical characteristics of the drilled disc

The drilled brake disc supports better ventilation of the working surface, which helps to reduce overheating during intensive braking. The holes in the working surface also help reduce the gas layer that forms between the pad and the disc, which translates into more consistent and predictable brake performance. This design solution is particularly valued in sports cars, where the brake system operates under increased thermal loads. A properly selected disc for the front left axle helps maintain stable braking characteristics, reducing the loss of effectiveness during repeated, heavy use of the brake pedal.

Benefits of using an original Porsche disc

The original brake disc dedicated to the Porsche 911 997 Carrera S ensures consistency with the factory brake system characteristics. This preserves the operating parameters intended by the vehicle manufacturer, including the proper balance between the front and rear, as well as predictable vehicle behavior in emergency situations. The component from the Brake discs group of this brand is designed for high loads typical of sports cars. The used part allows for an economical restoration of system efficiency while maintaining original geometry and compatibility with other brake components.

Product condition and practical application

The product comes from the used components segment, which enables service cost optimization while maintaining the original origin of the element. The disc can be a good solution for repairs where matching the factory Porsche brake system and maintaining compliance with the parameters intended for a specific model is key. Before installation, it is recommended to perform a standard verification of the working surface condition and measure wear parameters in accordance with the vehicle manufacturer's guidelines and good workshop practices. A properly selected and installed disc on the front left side supports stable, consistent braking and comfortable operation of the entire system.

Integration with the Porsche brake system

Replacing the disc on the front axle should be treated as part of broader brake system maintenance. In practice, it is often combined with the inspection or replacement of pads, lines, and other components responsible for braking safety. If you are planning a comprehensive repair or upgrade of the braking zone in your Porsche and need other elements from the same group, such as discs, pads, or brake lines, check the available parts in the Porsche Brake discs category.

Substantive support and cost optimization

When working with used brake system components, it is worth using reliable sources of knowledge regarding the selection and operation of such parts. To better understand how to safely use reclaimed components and how to reduce service costs, read the article Brake calipers under the microscope: How to effectively reduce brake system repair costs by choosing proven reclaimed parts, which discusses the practical aspects of using original, used elements in the brake system.