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- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
Rear Brake Caliper Piston and Seal Kit
1 kit per caliper - 2 required per car
Complete rear brake caliper piston and seal kit designed specifically for Porsche 993 turbo and Carrera 4S models. This all-in-one rebuild kit includes pistons and sealing components required to restore full braking performance and reliability.
Fits:
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
Kit contains
4 x 28mm caliper pistons
4 x 28mm piston dust caps
4 x 28mm piston seals
2 x bleed nipples and covers
Manufactured to OEM standards, this kit ensures proper hydraulic sealing, smooth piston operation, and long-term durability. Ideal for maintenance, restoration, or professional brake system rebuilds.
Key Features
• Rear brake caliper piston and seal kit
• Designed for Porsche 993 turbo & Carrera 4S rear calipers
• Complete rebuild solution with pistons and seals
• Maintains hydraulic pressure and performance
• OEM-quality materials for durability and reliability
Function and Purpose
This complete kit is essential for restoring rear brake caliper function.
It helps to:
• Replace worn or corroded pistons
• Restore hydraulic sealing within the caliper
• Maintain consistent braking pressure
• Ensure smooth and even piston movement
• Protect internal components from contamination
Why Replace Pistons & Seals Together
Brake components degrade over time due to heat, pressure, and corrosion.
Common issues include:
• Brake fluid leaks
• Seized or sticking pistons
• Uneven braking performance
• Corrosion on piston surfaces
• Reduced braking efficiency
Replacing both pistons and seals ensures a complete and reliable repair.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
993910228
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Fits:
Porsche 928 1989-95
Porsche 944 S2 / Turbo 1990-91 (M030)
Porsche 964 1989-94
Porsche 968 1992-95 M030
Porsche 993 1994-98
M030 - Cars with Sport-type chassis.
Price is each seal
**Please check the piston size you need as some callipers take two different sizes.
Fits:
Various Models
Price is each seal
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
1055955
The product you are viewing cross references to these numbers
Price is for each Piston
*** Please check the piston diameter you need as some calipers take two different sizes. Sizes shown are the piston outer diameter (OD), The height of the pistons is 32mm
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
1055955
The product you are viewing cross references to these numbers