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Brake support mounting plate. Porsche 911 1974-89 ❭ 91135208130
- 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
The brake mount plate provides a solid and secure base for the rear brake caliper and its associated components. It is designed to match the shape, mounting points, and strength of the original Porsche component, allowing for direct, hassle-free installation without the need for modification.
Sold each, Fits left and right.

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
Diagram ref no. 15
The mounting plate plays a key role in the brake system’s mechanical integrity, helping anchor the caliper in the proper position relative to the brake rotor and suspension components.
The brake support mounting plate serves several essential functions in the braking system:
• Provides a stable attachment point for the brake caliper
• Ensures proper alignment of caliper relative to the brake rotor
• Distributes braking forces evenly through the suspension and chassis
• Supports safety-critical brake function under hard stopping
Without a solid mounting plate, the caliper can shift or flex under load, leading to inconsistent braking performance, uneven pad wear, increased noise, and potentially compromised stopping power.
Function:
• Mounting interface: Secures the brake caliper to the suspension/axle housing
• Load distribution: Handles braking reaction forces to prevent flex and movement
• Alignment support: Keeps the caliper centered over the brake rotor
• Structural reinforcement: Provides rigidity necessary for consistent brake performance.
These support plates are precision-formed to withstand the dynamic loads generated by repeated braking and sudden stops - helping maintain consistent brake feel and vehicle safety.
The brake support mounting plate is a structural component that underpins the entire rear brake assembly’s performance. With age, original plates can:
• Corrode or rust, weakening structural integrity
• Bend or distort from impact or over-torque
• Wear at mounting holes, allowing play or misalignment
A compromised mounting plate can lead to brake vibration, uneven pad wear, inconsistent stopping, and noise. Replacing it with a quality OE Match unit restores proper alignment and rigidity - helping ensure repeatable, reliable brake performance and enhanced safety.
When to replace. Replace this brake support mounting plate when:
• There is visible corrosion or rust on the original plate
• The plate shows bends, dents, or distortions
• Brake calipers show uneven wear or misalignment
• You’re performing a rear brake overhaul or suspension service
• Mounting bolts no longer tighten to torque spec due to elongation or wear
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91135208130
The product you are viewing cross references to these numbers
- 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
Fits:
Porsche Cayenne 955 MKI (set of 2)
Porsche Cayenne 955 MKII (set of 2)
*Set of 2 brake shoes which only fit one side of the car, left or right side. need 2 sets per vehicle
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95535294501
The product you are viewing cross references to these numbers
- 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

Fits:
Porsche 955 Cayenne MKI 2003-06
Porsche 957 Cayenne MKII 2007>>
Click 'Zoom in' for large parts diagram
Diagram ref no 23
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95542338900
The product you are viewing cross references to these numbers
- 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 3.0L Diesel 2007-10
- 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
Fits:
Porsche 955 Cayenne MKI
Porsche 957 Cayenne MKII
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95535292500
The product you are viewing cross references to these numbers
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