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Caliper Seals |Pistons
By OE Match
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356C 1963-65
SIZE 35mm diameter x 29mm height
Porsche OE numbers 90135209910
Please check your caliper pistons size before ordering, this list below is just a guide
Porsche 356C Rear
Porsche 912 1964-68 Rear
Porsche 911 1964-68 Rear
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90135209910
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 356C 1963-65
SIZE 48mm diameter x 30mm height
Porsche OE numbers 90135109710
Please check your caliper pistons size before ordering, this list below is just a guide
Porsche 356C Front
Porsche 912 1964-68 Front
Porsche 911 1964-68 Front
Porsche 911T Front
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90135109710
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
SIZE 48mm diameter x 34mm height
Porsche OE numbers 91135191800
Please check your caliper pistons size before ordering, this list below is just a guide
Porsche 911 1969-77 Front
Porsche 911 1974-83 Front
Porsche 911 1984-89 Front
Porsche 911 S Front
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91135191800
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Related, superseded, cross reference or alternative numbers for comparison.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
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Rear Brake Caliper Piston & Seal Kit
1 kit per caliper - 2 required per car
High-quality rear brake caliper piston and seal kit designed for classic Porsche 356B, 356C, 912, and early 911 2.0ltr models.
This complete rebuild kit restores braking performance, hydraulic sealing, and
smooth piston operation for rear brake calipers fitted with 35mm pistons.
Fits:
- Porsche 356B 2000 GS Carrera 2
- Porsche 356BC 1600
- Porsche 356BC 1600 SC
- Porsche 356BC 2000 GS Carrera 2
- Porsche 356BB 2000 GS Carrera 2
- Porsche 356BC 1600
- Porsche 356BC 1600 SC
- Porsche 356BC 2000 GS Carrera 2
- Porsche 911 2.0ltr
- Porsche 912 1.6ltr
Kit contains
- 2 x 35mm caliper pistons
- 2 x 35mm piston dust caps
- 2 x 35mm piston seals
- 2 x bleed nipples with covers
Manufactured to OEM specifications, these components ensure precise fitment, reliable hydraulic sealing, and long-term durability. Ideal for classic Porsche restoration projects, brake servicing, or preventative maintenance.
Key Features
• Rear brake caliper piston and seal kit
• Designed for 35mm rear brake caliper pistons
• OEM-quality materials for reliability and durability
• Restores hydraulic sealing and piston movement
• Ideal for classic Porsche brake rebuilds
• Suitable for restoration and maintenance projects
Function and Purpose
This kit is essential for maintaining rear brake caliper performance.
It helps to:
• Restore smooth piston operation
• Maintain correct hydraulic pressure
• Prevent brake fluid leaks
• Protect pistons from dirt and moisture
• Ensure safe and consistent braking performance
Why Replace Brake Pistons & Seals?
Brake caliper components wear over time due to age, moisture, and heat.
Common issues include:
• Corroded or sticking pistons
• Perished seals and dust caps
• Brake fluid leaks
• Reduced braking efficiency
• Uneven braking performance
Replacing pistons and seals restores reliability, safety, and original braking feel.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
356946235
The product you are viewing cross references to these numbers
- Porsche 356C 1963-65
2x sealing ring,
2x clamping spring,
2x protection cap,
2x safety lug,

Fits:
Porsche 356 C (1960 to 1965) and Carrera 2000 (1964 and 1965)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90135196400
The product you are viewing cross references to these numbers
OEMatch Caliper Seals |Pistons — Stopping Power, Consistent Control
OEMatch caliper seals and pistons for Porsche models restore hydraulic integrity and consistent brake response. These restoration and repair components are practical alternatives when genuine or OEM parts are unavailable, offering direct-fit replacements engineered to match original-spec dimensions and tolerances. OEMatch maintains extensive cross-references to support model-specific servicing.
Available Types
- Seal kits — piston seals and dust boots
- Replacement pistons — steel and phenolic options
- Rebuild kits including seals, pistons and associated fittings
Understanding OEMatch Caliper Seals |Pistons
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche's original caliper seals and pistons. OE (Original Equipment) refers to parts matching original specifications for the caliper seals and pistons and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM caliper seals and pistons engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Caliper pistons convert hydraulic pressure into pad clamping force while seals retain fluid and exclude contamination. Correct materials, surface finish and seal geometry reduce the risk of corrosion, piston scoring and sticking. Components listed here are chosen to address common Porsche service needs and to support caliper rebuilds across different models.
Benefits Include
- Restores hydraulic integrity to prevent leaks and maintain consistent pedal feel
- Improves caliper response and even pad wear
- Reduces corrosion and fluid-related deterioration
- Supports reliable retraction and balanced braking across wheels
Why Caliper Seals |Pistons Wear and Fail
- Aging and brake fluid degradation that harden or swell seals
- Corrosion and pitting on pistons from moisture ingress
- Heat damage from sustained or aggressive braking
- Contamination or debris causing seal abrasion and piston scoring
The Importance of Replacing with OEMatch Caliper Seals |Pistons
Worn seals and pistons compromise braking performance and can lead to leaks, uneven braking or sticking calipers. Replacing these parts restores consistent system pressure, pedal feel and safety-critical function; selecting components matched to Porsche specifications helps maintain correct clearances and long-term reliability without altering system behaviour.
Advantages
- High-quality materials chosen for corrosion and fluid resistance
- Made to original-spec dimensions and tolerances for Porsche models
- Suitable for restorations, routine servicing and caliper rebuilds
Support & Advice
These items affect safety-critical systems. Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and replace fasteners where specified. If you lack the correct tools or are unsure about hidden sensors or required recalibration, seek professional installation.