Connecting line Genuine Porsche part 95135297100

Rear Brake Caliper Seal Kit 
1 kit per caliper - 2 required per car

Premium rear brake caliper seal kit designed for Porsche 928 S4, 928 GTS, 928 GT, and Porsche 944 turbo models up to VIN 95KN1 00218. This comprehensive kit includes seals for the two piston sizes to suit the rear caliper configuration, ensuring correct fitment and reliable performance.

Fits:

• Porsche 944 Turbo 2.5L 8V 1989-91
• Porsche 928S4 5.0L 1987-92
• Porsche 928GT 5.0L 1989-91
• Porsche 928GTS 5.4L 1992-95

The kit contains
2 x 30mm piston dust covers
2 x 28mm piston dust covers
2 x 30mm piston seals
2 x 28mm piston seals
2 x bleed nipple covers

Engineered to OEM standards, these components ensure proper hydraulic sealing, protect against dirt and moisture ingress, and support smooth piston movement for consistent braking performance. Ideal for maintenance, repair, or restoration of Porsche braking systems.

Key Features

• Designed for Porsche 928 & 944 turbo rear calipers
• Maintains hydraulic pressure and piston protection
• Prevents contamination and corrosion
• OEM-quality materials for durability and reliability

Function and Purpose

This seal kit is essential for maintaining rear brake caliper performance and safety.

It helps to:
• Seal brake fluid within the caliper
• Protect pistons from dirt, debris, and moisture
• Maintain consistent braking pressure
• Ensure smooth and balanced piston movement
• Prevent corrosion and internal damage

Why Replace Rear Caliper Seals

Brake seals degrade over time due to heat, pressure, and exposure to the elements.

Common issues include:
• Brake fluid leaks
• Reduced braking efficiency
• Sticking or seized pistons
• Uneven brake pad wear
• Corrosion caused by moisture ingress

Replacing worn seals restores braking performance, safety, and reliability.

Rear Brake Caliper Seal Kit 
1 kit per caliper - 2 required per car

High-quality rear brake caliper seal kit designed specifically for Porsche 993 turbo and Carrera 4S models. This kit provides all essential components required to restore rear brake caliper performance and ensure reliable braking operation.

Fits:

• Porsche 993 (911) C4S 1994-97
• Porsche 993 (911) TURBO 1994-96
• Porsche 993 (911) GT2 1994-97

The kit includes
4 x 28mm piston dust caps
4 x 28mm piston seals
2 x bleed nipple covers

Manufactured to OEM standards, these components ensure effective hydraulic sealing, protect against contamination, and support smooth piston movement. Ideal for brake system maintenance, repair, or full caliper rebuilds.

Key Features

• Rear brake caliper seal kit 
• Designed for Porsche 993 turbo and  Carrera 4S rear calipers
• Maintains hydraulic pressure and sealing integrity
• Prevents dirt, moisture, and contamination ingress
• OEM-quality materials for durability and performance
• Ideal for rebuild, servicing, or restoration

Function and Purpose

This seal kit is essential for maintaining rear brake caliper efficiency and safety.

It helps to:
• Seal brake fluid within the caliper
• Protect pistons from debris and moisture
• Maintain consistent hydraulic pressure
• Ensure smooth piston operation
• Prevent corrosion and premature wear

Why Replace Rear Caliper Seals

Brake components are subject to extreme heat and environmental exposure.

Common issues include:
• Brake fluid leaks
• Reduced braking performance
• Sticking or seized pistons
• Uneven brake wear
• Corrosion caused by moisture ingress

Replacing worn seals restores braking reliability, performance, and safety.

Rear Brake Caliper Piston and Seal Kit 
1 kit per caliper - 2 required per car

Comprehensive rear brake caliper piston and seal kit designed for Porsche 928 S4, 928 GTS, 928 GT, and Porsche 944 turbo models up to VIN 95KN1 00218. This complete rebuild kit includes both pistons and sealing components, making it ideal for restoring full braking performance.

Fits:

• Porsche 944 Turbo 2.5L 8V 1989-91
• Porsche 928S4 5.0L 1987-92
• Porsche 928GT 5.0L 1989-91
• Porsche 928GTS 5.4L 1992-95

Kit contains
2 x 30mm caliper pistons
2 x 28mm caliper pistons
2 x 30mm piston dust covers
2 x 28mm piston dust covers
2 x 30mm piston seals
2 x 28mm piston seals
2 x bleed nipples and covers.
This ensures full compatibility with the rear caliper configuration and enables a complete overhaul.

Manufactured to OEM standards, this kit restores hydraulic integrity, ensures smooth piston operation, and protects against contamination—delivering reliable and consistent braking performance. Ideal for restoration, maintenance, or professional brake system rebuilds.

Key Features

• Rear brake caliper piston and seal kit
• Designed for Porsche 928 & 944 Turbo rear calipers
• Complete rebuild solution for performance restoration
• OEM-quality materials for durability and reliability

Function and Purpose

This complete kit is essential for restoring rear brake caliper performance.

It helps to:
• Replace worn or corroded pistons
• Restore hydraulic sealing within the caliper
• Maintain consistent braking pressure
• Ensure smooth piston movement and operation
• Protect internal components from dirt and moisture

Why Replace Pistons & Seals Together

Over time, both pistons and seals wear 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 long-lasting repair.