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Brake caliper FRONT Porsche 911 3.2L 1984-89 91135142503, 91135142603 ❭ 91135142
- 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 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
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- 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
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- 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
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Carrera GT 2003-06
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- 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
- Porsche 928GTS 5.4L 1992-95
Fits: front & rear
Fits:
Porsche Various models
This product supersedes Porsche's old part numbers:
- 93035192700
Diagram ref no 11
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93035192701
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
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- 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
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- 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
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Carrera GT 2003-06
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 957 Cayenne S / GTS 4.8L 2007-10
- 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
- Porsche 928GTS 5.4L 1992-95
The brake caliper bleed valve screw set (part number 930.351.919.00) is an essential component for bleeding the brake system in various Porsche models, including the 911, 928, 930, 944, 968, Boxster, Carrera GT, Cayenne, Cayman, and Panamera.
Technical Specifications
- OE Part Ref No: 930.351.919.00
- Thread Size: M10 x 1.0 mm
- Material: Steel with corrosion-resistant finish
- Includes: 2 bleed valves and 2 dust caps per set (sufficient for one caliper; order four sets for all calipers)
- OEM Compatibility: Direct replacement for the original part

Fits:
Porsche Various models
Why Brake Caliper Bleed Valves Need Replacement ?
- Brake caliper bleed valves are exposed to extreme heat, moisture, and road debris, which can cause them to wear out over time. Replacing worn or damaged valves is essential for safe and effective braking.
- Common Signs Your Bleed Valves Need Replacement:
- Fluid Leaks: Moisture or brake fluid seeping around the threads indicates compromised seals or worn threads.
- Seized or Stuck Valves: Difficulty opening or closing the valve during brake bleeding can affect maintenance and safety.
- Corrosion: Rust or pitting on the valve surface can impact brake performance.
- Damaged Threads: Stripped or worn threads prevent proper sealing, leading to leaks and reduced efficiency.
Typical Causes of Valve Problems:
- Thread Wear: Steel valves can wear down aluminum caliper threads over time, causing leaks or operational issues.
- Seizing: Over-tightening or corrosion can make valves difficult to operate.
- Maintenance Damage: Improper handling or excessive force during brake service can strip or break the valve.
- Replacing faulty bleed valves ensures brake fluid remains clean and free of air, keeping your braking system safe and reliable.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93035191900
The product you are viewing cross references to these numbers
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