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- Accessories
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Brake Disc Cover Plates
Porsche 911 1969-89
Porsche 930 1975-77
Porsche 914-6 1970-76
Click 'Zoom in' for large parts diagram.
Diagram Ref No 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90135180117
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
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 914 (1970-1976)
Fits rear left or right side.
Fits:
Porsche 911 1969-73 (REAR)
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90135208114
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Fits front and rear.
Porsche 911/912 1965-69
Porsche 911 1970-89
Porsche 930 1975-89
Porsche 914 1970-76
Diagram Ref No 6
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- 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
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
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12 Month Warranty
Worldwide Delivery
Porsche 911 1969-89
Porsche 930 1975-77
Porsche 914 1970-76
Click 'Zoom in' for large parts diagram.
Diagram Ref No 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90135180117
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
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 914 (1970-1976)
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12 Month Warranty
Worldwide Delivery
Front Brake Disc Backing Plate - fits Left or Right
Sold each - 2 required per car
Restore proper brake protection and factory-correct
appearance with this OE Match Front Brake Disc Backing Plate.
This component forms an important part of the
braking system by protecting the brake disc assembly from road debris while
helping to manage airflow around the brake components.
Fits:
- 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
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 914 (1970-1976)
Often referred to as a brake dust shield or brake disc splash guard, the backing plate sits behind the brake disc and provides a protective barrier between the braking system and contaminants thrown up from the road. It also helps guide cooling airflow around the brake assembly, contributing to consistent braking performance.
As these plates are mounted underneath the vehicle, they are frequently exposed to moisture, road salt, stone impacts and corrosion. Replacing damaged or rusted backing plates helps maintain brake system protection while restoring the appearance of the suspension and braking assembly.
What Does a Brake Disc Backing Plate Do?
The brake disc backing plate performs several important functions within the braking system.
Its primary roles include:
- Protecting the brake disc from road debris
- Shielding brake components from dirt and water
- Helping manage brake cooling airflow
- Reducing contamination around the brake assembly
- Protecting wheel bearing components
- Supporting long-term brake system reliability
- Maintaining factory brake system design
Although often overlooked, the backing plate contributes to the overall durability and effectiveness of the braking system.
Why Do Brake Disc Backing Plates Fail?
Brake backing plates are constantly exposed to harsh operating conditions beneath the vehicle.
Common causes of failure include:
- Corrosion caused by moisture and road salt
- Stone and debris impact damage
- Accident or kerb strike damage
- Age-related deterioration
- Metal fatigue
- Improper handling during brake servicing
- Long-term environmental exposure
Over time, corrosion can weaken the plate, causing distortion, cracking or complete failure.
When Should a Brake Disc Backing Plate Be Replaced?
Brake backing plates should be inspected whenever brake discs or wheel bearings are serviced.
Common signs replacement is required include:
- Visible rust or corrosion
- Cracked or damaged plate edges
- Bent or distorted backing plates
- Contact between the plate and brake disc
- Excessive brake dust contamination
- Missing sections caused by corrosion
- Restoration or refurbishment projects
- Suspension rebuild work
If the backing plate begins rubbing against the brake disc, it should be replaced immediately to prevent noise and potential damage.
Why Replacement Matters
A damaged brake backing plate can compromise protection of the braking system and detract from the quality of a restoration.
Benefits of replacement include:
- Improved brake component protection
- Reduced contamination from road debris
- Correct brake cooling airflow management
- Improved reliability
- Restoration of factory appearance
- Prevention of brake disc contact issues
- Enhanced long-term durability
- Ideal for restoration and maintenance projects
For classic Porsche models, replacing worn backing plates helps preserve both function and originality.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90135180117
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
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 914 (1970-1976)
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits: Left or Right.
Porsche 911 1972-73
Click 'Zoom in' for large parts diagram.
Diagram Ref No 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91135208300
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits: Left or Right.
Porsche 911 1972-73
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91135208300
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits:
Porsche 911 1969-73 REAR
Porsche 914-6 1970-76 REAR
Diagram Ref No 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91435208500
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 928GT 5.0L 1989-91
- Porsche 914 (1970-1976)
Shop Securely
12 Month Warranty
Worldwide Delivery
Fits rear left or right side . Price is each
Fits:
Porsche 911 1969-73 (REAR)
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90135208114
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Shop Securely
12 Month Warranty
Worldwide Delivery
Sold each
Fits:
Porsche 911 1969-73 (REAR)
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90135208114
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Shop Securely
12 Month Warranty
Worldwide Delivery
Porsche Brake Disc Cover Plates | Design911 High-Quality Replacement Parts for Protection, Cooling & Longevity
Brake disc cover plates, also known as backing plates or dust shields, are essential components that protect your Porsche’s brake discs and calipers from dirt, debris, and excess heat. Positioned behind the brake disc, they help maintain consistent braking performance by shielding the braking system from contaminants and improving cooling airflow. Whether used for restoration or maintenance, replacing worn cover plates helps preserve braking efficiency and prolong component lifespan.
At Design911, we offer a complete range of brake disc cover plates, precision-engineered for perfect fitment and durability. Manufactured from corrosion-resistant materials and designed to handle high thermal loads, our cover plates ensure long-term reliability and protection under both road and performance driving conditions. Ideal for service, restoration, or upgrade projects, these components maintain your Porsche’s stopping power and integrity.
What Do Brake Disc Cover Plates Do?
Brake disc cover plates perform a crucial protective and thermal management role within your Porsche’s braking system.
Core Functions:
• Shield brake discs and calipers from road debris, water, and dust.
• Assist with heat dissipation during braking.
• Reduce corrosion by preventing contaminant buildup.
• Maintain consistent braking efficiency and performance.
• Contribute to proper airflow for cooling under braking load.
With effective cover plates, your Porsche’s braking components stay cleaner, cooler, and more reliable for longer periods.
Why Do Brake Disc Cover Plates Fail or Degrade?
Due to their position near the road surface and braking components, cover plates are constantly exposed to moisture, dirt, and extreme temperature changes.
Common Causes of Failure Include:
• Corrosion or rust caused by road salt and moisture.
• Physical damage from road debris or gravel.
• Cracking or warping from heat and vibration.
• Bending due to improper installation or impact.
• General wear over time from environmental exposure.
When cover plates deteriorate, they lose their protective function — allowing dirt and moisture to affect the braking system, which can lead to premature wear or reduced performance.
Why Replace or Upgrade Your Porsche Brake Disc Cover Plates?
Replacing damaged or corroded cover plates restores essential protection to your braking system and maintains performance consistency. Design911’s high-quality replacements are designed for longevity, heat resistance, and accurate fitment across Porsche models.
Key Benefits:
• Restores full protection for brake discs and calipers.
• Improves cooling efficiency and braking stability.
• Prevents corrosion and contamination of key components.
• Manufactured from durable, corrosion-resistant materials.
• Direct-fit design for straightforward installation.
• Suitable for classic and modern Porsche vehicles.
Design911’s Porsche brake disc cover plates deliver reliability, precision, and long-lasting performance — the perfect solution for maintaining your Porsche’s braking excellence.
Highlights
• Premium Porsche brake disc cover plates and dust shields.
• Engineered from high-strength, corrosion-resistant steel or aluminium.
• Protects braking components from debris and moisture.
• Assists with cooling airflow for optimal performance.
• Ideal for restoration, maintenance, or performance upgrades.
• Fits a wide range of Porsche models for perfect compatibility.
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Brake Pads & Disc Package
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SPORTS Brake Pads & Disc Package
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SPORTS Brake Disc
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