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Porsche // 911 & 912 (1965-1989) // 911 1984-1986 3.2L
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- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman 2.9L 987C MKII 2009-12
Porsche 986 Boxster 2.5L/2.7L 1997-04
Porsche 987 Boxster 2.7L MKI 2005-08
Porsche 987 Boxster 2.9L MKII 2009-12
Porsche 987C Cayman 2.7L MKI 2006-08
Porsche 987C Cayman 2.9L MKII 2009-13
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98635242
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Front Brake Calipers
Restore confident braking performance with Front Brake
Calipers, designed for Porsche 911 3.2 Carrera
models from 1984 to 1989. Positioned at the front axle, these calipers are
essential braking components responsible for applying clamping force to the
brake discs, helping slow the vehicle safely and consistently.
Fits:
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Brake calipers work together with the brake pads, discs and hydraulic braking system. When the brake pedal is pressed, brake fluid pressure forces the caliper pistons to push the pads against the disc, creating friction and reducing vehicle speed. Because the front brakes handle a large proportion of braking force, properly functioning front calipers are critical for safe road use and predictable braking performance.
Over time, calipers can suffer from corrosion, seized pistons, worn seals, fluid leaks and uneven pad movement. Replacing worn or faulty front calipers helps restore braking balance, pedal feel and stopping confidence.
What Do Front Brake Calipers Do?
Front brake calipers convert hydraulic pressure from the braking system into mechanical clamping force. This force presses the brake pads against the rotating brake discs, generating the friction needed to slow or stop the vehicle.
Correctly functioning front calipers help provide:
Strong and consistent braking force Stable pedal feel Balanced front braking performance Even brake pad wear Reliable stopping power Improved safety in everyday and spirited drivingSymptoms of Brake Caliper Wear or Failure
Brake calipers operate in a harsh environment and are exposed to heat, road debris, moisture and brake dust. Over time, internal seals, pistons and sliding surfaces can deteriorate.
Common symptoms of worn or failing front brake calipers include:
Vehicle pulling to one side under braking Uneven brake pad wear Brake fluid leaks around the caliper Spongy or inconsistent brake pedal feel Reduced braking performance Brake drag or sticking brakes Excessive brake dust on one wheel Burning smell after driving Overheating brake disc or wheel Squealing, grinding or rubbing noises Brake warning light caused by fluid lossIf a caliper piston sticks or a seal fails, braking performance can become unpredictable and unsafe.
Why Brake Caliper Replacement Matters
Replacing worn or faulty front brake calipers is essential for restoring safe and predictable braking performance. A failing caliper can cause brake imbalance, overheating, premature pad and disc wear and reduced stopping power.
Replacement helps:
Restore correct braking force Improve pedal feel and response Prevent brake drag and overheating Reduce uneven pad and disc wear Eliminate hydraulic fluid leaks Maintain balanced braking performance Improve safety and driver confidenceFor a classic Porsche 911 3.2 Carrera, maintaining the braking system in excellent condition is vital for preserving the driving experience and safety the car was engineered to deliver.
Features & Benefits
- Restores reliable braking performance
- Supports strong and consistent stopping power
- Helps maintain correct brake pedal feel
- Ideal for maintenance, repair and restoration projects
- Direct replacement for worn or damaged original calipers
Keep your Porsche 911 3.2 Carrera braking system performing safely and consistently with front brake calipers from Design911
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91135142
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
These are direct replacement calipers for the rear left (part number 91135242500) or rear right (part number 91135242600) side of a mid-1980s Porsche 911. They are manufactured to the dimensions, fitment, and technical specifications of the original. Replacing these calipers restores the correct brake pressure, pad alignment, and brake disc-to-rear wheel contact, restoring braking balance and safety.
Porsche 911 1984 - 1989
Brake calipers are crucial for safe, controlled stopping. Over time, calipers can suffer from corrosion, seized or sticking pistons, worn seals, fluid leakage or uneven pad wear. Especially on aging cars, the rear calipers may lose proper clamping force, causing longer stopping distances, uneven braking, noise or poor pad life.
Replace these calipers when you notice:
• Brake fluid leakage around the caliper body or piston area
• Uneven or rapid pad wear on the rear wheel
• Reduced braking performance, dragging wheel or vibration
• Maintenance/restore of the braking system during a rebuild
Installing a correct-fit caliper restores proper braking clamp, pad and rotor alignment and ensures your classic Porsche retains its intended braking performance and safety.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91135242
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
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- 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
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
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- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
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- Porsche 955 Cayenne Turbo S 4.5L 2006>>
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- Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
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Fits: front & rear
Fits:
Porsche Various models
This product supersedes Porsche's old part numbers:
- 93035192700
Click 'Zoom in' for large parts diagram.
Diagram ref no 11
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
FRONT
Fits:
Porsche 911 Carrera 1984-89 FRONT
Click 'Zoom in' for large parts diagram.
Diagram ref no 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91135191902
The product you are viewing cross references to these numbers