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Wheel brake cylinder 19.05mm. Porsche 924 › 477611055E
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
REAR

Porsche 924 / 924 Turbo 1976-80
Click 'Zoom in' for large parts diagram.
Diagram ref 8
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
477611055E
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
The OE Match Front Brake Disc Rotor is a premium-quality replacement braking component designed to deliver reliable stopping power and consistent braking performance for compatible Porsche models. Manufactured to OE specifications for fit, balance and durability, these front brake discs provide excellent heat dissipation, reduced brake fade and dependable braking under both everyday driving and demanding conditions.

Fits:
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
*option code: I1LM
Manufactured from high-grade cast iron with precision-machined friction surfaces, each brake disc is engineered to withstand repeated high-temperature braking cycles while maintaining structural integrity and braking efficiency. The discs are dynamically balanced and manufactured to tight tolerances to minimise vibration and ensure smooth brake operation. Designed for direct OE-style installation, they integrate seamlessly with the original brake calipers and brake pads, making them ideal for routine maintenance, brake overhauls and performance restoration.
What This Product Does:
- Provides the friction surface for the front brake pads.
- Converts braking energy into heat for controlled vehicle deceleration.
- Delivers consistent and reliable stopping performance.
- Dissipates heat efficiently to minimise brake fade.
- Supports smooth and vibration-free braking.
- Maintains optimum braking performance under varying driving conditions.
- Restores factory braking efficiency.
- Forms an essential part of the front braking system.
Symptoms Of Wear Or Failure:
- Brake pedal vibration during braking.
- Steering wheel judder when slowing down.
- Grooved, scored or cracked disc surfaces.
- Excessive brake disc wear below the minimum thickness.
- Brake squeal or grinding noises.
- Reduced braking performance.
- Blue heat spots caused by overheating.
- Brake pulsation during moderate or heavy braking.
- Uneven brake pad wear.
- MOT or vehicle inspection failure due to excessive brake disc wear.
Why Replacement Matters:
- Front brake discs are subjected to extreme temperatures, heavy braking forces and continual friction every time the vehicle is driven. Over time, the friction surfaces naturally wear, while repeated heating and cooling cycles can lead to scoring, warping or cracking.
- Worn or damaged brake discs reduce braking efficiency, increase stopping distances and may cause vibration through the steering wheel or brake pedal. Continued use can also accelerate brake pad wear and place additional stress on other braking components, compromising vehicle safety.
- Replacing worn brake discs with OE Match Front Brake Disc Rotors restores smooth, powerful and consistent braking performance. Manufactured to OE standards using premium-quality cast iron, these replacement discs provide factory-style fitment, excellent heat dissipation and long-lasting durability, ensuring the braking performance, safety and confidence expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95535140
The product you are viewing cross references to these numbers
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