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- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C2S 1994-97
Brake master cylinder & DOT4 brake fluid – Porsche 993 C2 1995–98 by Kits is a brake hydraulic package for Porsche 993 C2 models. Kits packages group related parts and consumables, helping the installer check the contents before work begins.
What This Product Does The brake master cylinder changes brake pedal movement into hydraulic fluid pressure for the calipers. The supplied DOT4 brake fluid is used when filling and bleeding the hydraulic circuit during replacement. For a complete brake fluid flush on a Porsche 993, you will need 1.5 to 2 liters of DOT 4 brake fluid. While the actual system capacity is only around 1 to 1.2 liters, purchasing 2 liters ensures you have enough to completely purge the old fluid from the lines and bleed the clutch slave cylinder.
Functions
- Creates hydraulic pressure from brake pedal input.
- Feeds pressure through the brake lines to the calipers.
- Helps maintain hydraulic balance across the braking circuits.
- Works with the reservoir, lines and calipers as part of the brake system.
- Supports fluid renewal during master cylinder replacement.
Symptoms of Fault
- Spongy, soft or sinking brake pedal.
- Loss of pressure while holding the pedal.
- Brake fluid leaks at the rear of the cylinder.
- Air entering the hydraulic system.
- Brake warning lights or uneven braking prompting inspection.
- Visible wear to related discs or pads during brake checks.
Why Replacement Matters Internal seals and cylinder bores can wear with age, heat cycles or moisture-contaminated brake fluid. Replacing a worn or leaking master cylinder during a hydraulic refresh helps return the system to the correct operating condition. Compare the kit contents with the job list and add any seals, clips or one-time-use hardware if not included.
Fits
- Porsche 993 C2 1995–98
- Porsche 993 (911) (1994–1998)
- Porsche 993 (911) C2 1994–97
Diagram reference number: 9. Check fitment for your specific vehicle (model, year, engine) before ordering.
FAQs
- Are kits vehicle-specific? Often yes; confirm model, year, engine and any relevant option codes.
- Do kits include all one-time-use hardware? Not always; review the contents list for bolts, clips, fluids and seals.
- Any fitting tip? Compare the package contents with the Porsche PET diagram and your workshop job list before starting.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99335591000
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
