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- Porsche Boxster Spyder / Sypder RS 718 4.0L 01/2019>>
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
- Porsche 991.2 Speedster 4.0L (510Bhp) 2019
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Front Brake Caliper Piston and Seal Kit
1 kit per caliper - 2 required per car
Maintain the braking performance and reliability of your
Porsche with this Front Brake Caliper Seal Kit, designed for
high-performance Porsche GT and Spyder models equipped with 6-piston front
brake calipers.
Fits:
- Porsche Boxster Spyder / Spyder RS 718 4.0L 01/2019>>
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
- Porsche 991.2 Speedster 4.0L (510Bhp) 2019
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
- Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L
Manufactured to high-quality specifications, this kit helps
restore proper caliper sealing performance, protecting internal brake
components from dirt, moisture, and contamination while ensuring smooth piston
operation and consistent braking performance.
Kit Contents
• 6 x 30mm caliper pistons
• 6 x 30mm piston dust covers
• 6 x 30mm piston seals
• 2 x bleed nipples and dust caps
Ideal for routine brake maintenance, caliper refurbishment, restoration projects, and track-day preparation, this seal kit supports long-term brake system reliability in high-performance Porsche applications.
Key Features
• Front brake caliper seal kit
• Designed for Porsche 6-piston front brake calipers
• Helps restore brake caliper sealing performance
• Protects against dirt, moisture, and contamination
• Supports smooth piston operation and brake response
• Ideal for brake caliper rebuilds and servicing
• Suitable for road, fast road, and track applications
Why Rebuild Brake Calipers?
Over time, brake caliper seals and dust covers can deteriorate due to heat, moisture, road debris, and repeated high-performance braking.
Replacing worn seals helps:
• Restore smooth caliper piston movement
• Maintain proper hydraulic sealing
• Prevent brake fluid leaks
• Protect against contamination and corrosion
• Improve overall brake reliability and consistency
Routine brake caliper maintenance is especially important on high-performance Porsche GT and track-focused models.
Brake System Protection & Performance
This rebuild kit helps maintain proper caliper operation under demanding driving conditions.
Benefits include:
• Improved brake system reliability
• Enhanced piston sealing performance
• Better protection from moisture and debris
• Consistent brake feel and response
• Long-term caliper durability
Ideal for both road use and track-day preparation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
991955230
The product you are viewing cross references to these numbers
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
DOT 4
Having an extremely high boiling point and lower viscosity than required, it meets and greatly exceeds regulatory standards. Also suitable for vehicles with ABS.
Vapour Lock formation
This sort of habit leaves room for the Vapour Lock, the formation of vapour bubbles due to boiling of the brake fluid that replace the normal fluid and are compressed, thereby sending the brake pedal to its fill stoke (spongy pedal). The origin is incident in the porosity of the tubes that make up the braking circuit, which in time draw moisture into the fluid, drastically reducing the boiling point. The result is a reduced braking efficiency.
Brembo Premium Brake Fluid
Brembo Premium brake fluids have a higher boiling point that exceeds the standard, thus offering superior resistance to the Vapour Lock and ensuring braking efficiency even at low temperatures. With high anti-corrosion properties and resistance to oxidation, Brembo brake fluid also allows for long-term unaltered chemical/physical characteristics of the fluid in operating circuit; therefore, preserving its integrity.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
L040
The product you are viewing cross references to these numbers