do not press the back button…
Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MKII Turbo 2010-13
Performance Brake Caliper Seal Kit – High Temperature
Porsche Brake Upgrade - PCCB only
1 kit per caliper - 2 required per car
Upgrade your Porsche braking system with this Performance
Brake Caliper Seal Kit, specifically developed for fast road driving, track-day
use, and high-performance applications where elevated braking temperatures
place increased stress on brake components.
Fits:
For PCCB only
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MKII Turbo 2010-13
The Performance Range has been engineered as an advanced brake system upgrade, using enhanced materials designed to deliver superior durability, improved thermal resistance, and long-term sealing performance under demanding driving conditions.
Please
verify piston diameter before ordering.
Kit contains
2 x 28mm Performance Dust Seals
2 x 32mm Performance Dust Seals
2 x 36mm Performance Dust Seals
2 x 28mm Performance Piston Seals
2 x 32mm Performance Piston Seals
2 x 36mm Performance Piston Seals
2 x Bleed Nipple Dust Covers
Unlike standard OEM-style rebuild kits, the Performance Range incorporates upgraded high-temperature materials specifically selected to withstand repeated heavy braking cycles and extreme thermal loads experienced during spirited driving and motorsport-inspired use.
Ideal for Porsche owners seeking improved brake caliper reliability and durability for road, fast road, and track applications.
Key Features
• Performance brake caliper seal kit
• Designed for high-performance Porsche braking systems
• Engineered for fast road and track use
• Improved thermal resistance over OEM-style kits
• Enhanced durability during repeated heavy braking
• Helps maintain brake caliper sealing integrity
• Suitable for motorsport-inspired Porsche builds
Performance Range – Designed for Demanding Driving Conditions
The Performance Range has been specifically developed as a brake system upgrade for applications exposed to higher thermal loads and intensive braking use.
Perfect for:
• Fast road driving
• Spirited performance use
• Track-day applications
• Motorsport-inspired Porsche builds
• Vehicles subjected to repeated heavy braking cycles
The upgraded materials help maintain consistent sealing performance and durability under conditions where standard OEM-style components may deteriorate more quickly.
High-Temperature Silicone Dust Boots
Performance kits use silicone piston dust boots instead of traditional OEM-style EPDM rubber dust seals.
Silicone offers:
• Improved resistance to elevated brake temperatures
• Increased flexibility during heat cycles
• Better long-term durability under demanding use
• Enhanced protection against contamination
• Reduced risk of heat-related deterioration
Ideal for performance braking systems exposed to sustained high temperatures.
Enhanced Thermal-Resistant Piston Seals
The piston seals are manufactured using an upgraded EPDM compound specifically developed for improved thermal resistance and reliability during aggressive driving conditions.
Advantages include:
• Greater resistance to heat-related wear
• Improved hydraulic sealing performance
• Enhanced durability under repeated braking loads
• Long-term reliability for performance applications
• Better protection for brake caliper internals
Why Choose the Performance Range?
The upgraded materials used throughout the Performance Range help improve brake caliper reliability when exposed to extreme heat and repeated high-load braking.
This makes the kit particularly suitable for:
• Porsche GT and RS models
• Fast road performance builds
• Track-day vehicles
• Upgraded braking systems
• Enthusiasts seeking motorsport-level durability
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
997806662
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