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- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
High Temperature Performance Brake Caliper Seal Kit
Upgrade Kit 34mm, 36mm and 38mm
1 kit per caliper - 2 required per car
Upgrade and restore your Porsche braking system with this
High Temperature Performance Brake Caliper Seal & Piston Upgrade Kit, specifically engineered for Porsche 955 Cayenne 3.2ltr and Porsche
957 Cayenne 3.6ltr and Diesel models.
Fits:
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 957 Cayenne 3.6L 2007-10
Part of the advanced Performance Range, this comprehensive
caliper rebuild kit combines replacement pistons with upgraded high-temperature
sealing components to deliver exceptional durability, reliability, and braking
consistency under demanding driving conditions.
Please
verify piston diameter before ordering.
Kit Contents
• 2 x 34mm Pistons
• 2 x 34mm Performance Dust Seals
• 2 x 34mm Performance Piston Seals
• 2 x 36mm Pistons
• 2 x 36mm Performance Dust Seals
• 2 x 36mm Performance Piston Seals
• 2 x 38mm Pistons
• 2 x 38mm Performance Dust Seals
• 2 x 38mm Performance Piston Seals
• 2 x Bleed Nipples
• 2 x Bleed Nipple Dust Covers
Designed for fast road driving, spirited use, heavy-duty road applications, towing, and performance-focused Porsche ownership, this kit helps maintain optimum brake caliper performance when subjected to repeated heavy braking and elevated operating temperatures.
Unlike conventional rebuild kits, the Performance Range incorporates upgraded silicone dust seals and enhanced thermal-resistant piston seals specifically engineered to withstand the increased temperatures generated by modern high-performance braking systems.
Performance Range Key Advantages
High-Temperature Silicone Dust Seals
Performance Range kits utilise premium silicone dust seals instead of traditional OEM-style EPDM rubber dust boots.
Benefits include:
• Exceptional resistance to elevated brake temperatures
• Improved flexibility during repeated thermal cycles
• Increased durability under demanding braking conditions
• Reduced risk of heat-related seal degradation
• Enhanced protection against dirt, moisture, and contamination
Enhanced Thermal-Resistant Piston Seals
The piston seals are manufactured using an upgraded EPDM compound developed specifically for high-performance braking applications.
Advantages include:
• Increased resistance to high operating temperatures
• Improved sealing performance under heavy braking loads
• Enhanced long-term reliability
• Greater resistance to thermal fatigue
• Consistent caliper performance during demanding use
Why Choose the Performance Range?
The Porsche Cayenne combines SUV practicality with genuine Porsche performance. The additional vehicle weight, towing capability, and spirited driving potential place significant demands on the braking system.
The upgraded materials used throughout the Performance Range help maintain brake caliper efficiency and sealing integrity when exposed to:
• Repeated heavy braking cycles
• High operating temperatures
• Fast road driving
• Towing applications
• Mountain driving
• Motorsport-inspired builds
• Performance driving conditions
This makes the kit an ideal preventative maintenance upgrade for Porsche owners seeking enhanced brake system durability and performance.
Ideal Applications
Perfect for:
• Porsche 955 Cayenne 3.2
• Porsche 957 Cayenne 3.6
• Fast road driving
• Heavy-duty road use
• Towing applications
• Brake caliper refurbishment projects
• Performance vehicle maintenance
• Vehicles subjected to repeated heavy braking cycles
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
955402673
The product you are viewing cross references to these numbers
Brake Caliper Replacement Pistons for Brembo Calipers
Sold each
Restore the performance and reliability of your Porsche Brembo braking system with these OE Match Brake Caliper Replacement Pistons. Manufactured to original equipment specifications, these precision-engineered pistons are designed for rebuilding Brembo brake calipers fitted to a wide range of Porsche models.
Available in 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm and 44mm outer diameters, every piston has an overall height of 32mm and is manufactured to deliver the correct fit, smooth operation and dependable sealing performance when used with new piston seals and dust boots.
Important: Please check the piston diameter required for your specific caliper before ordering. Many Brembo calipers use two different piston diameters within the same caliper to optimise braking performance. The sizes listed refer to the outer diameter (OD) of the piston.
What Does a Brake Caliper Piston Do?
The brake caliper piston is one of the most important components inside the braking system. Hydraulic brake fluid pressure pushes the piston forward, forcing the brake pad firmly against the brake disc to generate the friction required to slow or stop the vehicle.
Its primary functions include:
- Converting hydraulic pressure into braking force.
- Applying even pressure across the brake pads.
- Ensuring smooth and consistent piston movement.
- Maintaining balanced braking performance.
- Supporting Porsche ABS and stability control systems.
- Delivering precise pedal feel and braking response.
Correctly functioning pistons are essential for maintaining the powerful, progressive braking performance expected from Porsche Brembo calipers.
Why Do Brake Caliper Pistons Fail?
Brake caliper pistons operate in harsh conditions and are continually exposed to heat, moisture and brake dust. Over time they can become damaged or worn.
Common causes include:
- Corrosion caused by moisture ingress.
- Torn or damaged dust boots.
- Contaminated brake fluid.
- Surface pitting.
- Heat generated during heavy braking.
- Seized pistons caused by corrosion.
- Damage during previous repairs.
- High mileage and normal wear.
A damaged piston can prevent the caliper from operating correctly, leading to reduced braking performance and uneven brake pad wear.
Symptoms of a Worn or Damaged Caliper Piston
Common symptoms include:
- Sticking or seized brake calipers.
- Uneven brake pad wear.
- Vehicle pulling during braking.
- Reduced braking performance.
- Overheating brakes. Brake drag.
- Fluid leaks around the piston seal.
- Difficulty retracting the piston during servicing.
Replacing damaged pistons during a caliper overhaul restores smooth operation and reliable braking performance.
When Should Brake Caliper Pistons Be Replaced?
Replacement is recommended whenever:
- Corrosion or pitting is visible.
- Pistons become seized or difficult to move.
- The caliper is being rebuilt.
- Dust boots have failed allowing contamination.
- Brake fluid leaks occur around the piston.
- Uneven pad wear is caused by sticking pistons.
- Restoring older Brembo brake calipers.
- During preventative maintenance on ageing braking systems.
For the best results, new pistons should always be installed with new piston seals and dust protection boots.
OE Match Quality You Can Trust
These OE Match Brake Caliper Replacement Pistons offer:
- Manufactured to original equipment specifications.
- Precision-machined finish.
- Excellent corrosion resistance.
- Smooth piston movement.
- Direct replacement fitment.
- Suitable for Brembo brake calipers.
- Available in 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm and 44mm diameters.
- Uniform piston height of 32mm.
- Ideal for professional caliper rebuilding.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
1055955
The product you are viewing cross references to these numbers
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
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
Please
verify piston diameter before ordering.
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.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
993013228
The product you are viewing cross references to these numbers
- 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
Please
verify piston diameter before ordering.
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