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Caliper and Brake Lines

Porsche 993 1994-1998
This product supersedes Porsche's old part numbers:
- 91435566500
Click 'Zoom in' for large parts diagram
Diagram ref no 7
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
113611715A
The product you are viewing cross references to these numbers
- 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
Genuine Porsche OE front left caliper brake line for Porsche 964 and 993 models. This original Porsche brake line connects into the front brake caliper hydraulic system, helping deliver brake fluid pressure to the left front brake caliper for reliable braking performance.
Fits:
Porsche 964 1989 - 1994 all models (FRONT)
Porsche 993 1994 - 1998 all models (FRONT)
Diagram ref no 6
This product supersedes Porsche's old part numbers: 96435517511
This part is designed for the left-hand front brake caliper area on selected Porsche 964 and 993 models.
What This Part Does / Functions
• Carries hydraulic brake fluid pressure to the front left caliper
• Helps ensure the brake caliper receives correct braking pressure
• Supports consistent front brake performance
• Connects into the front brake hose / caliper hydraulic system
• Helps maintain safe and reliable brake operation
• Provides correct OE Porsche shape, length and connection fittings
• Replaces a corroded, damaged, leaking or worn original brake line
• Maintains factory brake system fitment and quality.
Why Replace This Part?
Brake lines are safety-critical hydraulic components. Over time, they can corrode, become damaged, seize at the fittings or develop leaks. A damaged brake line can reduce braking performance, cause brake fluid loss or make the braking system unsafe. Replacing the line with a Genuine Porsche OE front left brake line helps restore factory-correct brake fluid routing and reliable hydraulic pressure to the caliper.
When to Replace This Part
• If brake fluid is leaking from the front left caliper line
• If the line is corroded, kinked, cracked or damaged
• If the fittings are seized or rounded during brake service
• During front brake caliper replacement or refurbishment
• When replacing front brake hoses or related hydraulic parts
• If brake pedal feel is poor due to hydraulic leakage
• During restoration of a Porsche 964 or 993 brake system
• When renewing old brake lines as preventative maintenance.
Where It Fits on the Car
This brake line fits at the front left brake caliper area. It forms part of the hydraulic brake circuit between the brake hose / connector and the front left caliper.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96435517512
The product you are viewing cross references to these numbers
- 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
This OE Match front left caliper brake line is a replacement hydraulic brake line for Porsche 964 and 993 models. It is designed to match the original-style fitment and function, helping restore correct brake fluid routing at the front left caliper assembly.
Fits:
Porsche 964 1989 - 1994 all models (FRONT)
Porsche 993 1994 - 1998 all models (FRONT)
Diagram ref no 6
This product supersedes Porsche's old part numbers: 96435517511
The front left caliper brake line carries brake fluid under hydraulic pressure to the front brake caliper. A secure, leak-free brake line is essential for correct brake pedal feel, braking response, and safe front brake operation.
Functions
• Replaces the front left caliper brake line
• Carries hydraulic brake fluid to the front brake caliper
• Supports correct front brake pressure and pedal feel
• Helps maintain reliable braking performance
• Helps prevent brake fluid leaks at the caliper area
• Replaces corroded, kinked, blocked, leaking, or damaged original brake lines
• OE Match replacement for Porsche 964 and 993 brake system repair.
Why Replace This Part?
Brake lines can corrode, kink, block, fatigue, or become damaged due to age, moisture, road dirt, brake fluid contamination, and previous brake work. A faulty front caliper brake line may cause brake fluid leaks, soft pedal feel, uneven braking, reduced braking performance, or failed inspection. Replacing the brake line helps restore safe hydraulic brake operation and correct front brake system reliability.
When to Replace This Part
• Brake fluid is leaking around the front left caliper area
• The brake line is corroded, kinked, cracked, blocked, or damaged
• Brake pedal feel is soft or inconsistent
• Front brake calipers are being rebuilt or replaced
• Brake hoses or hydraulic fittings are being renewed
• The vehicle has failed inspection due to brake pipe condition
• The car is undergoing Porsche 964 or 993 brake system restoration.
Where it fits on the car
This brake line fits at the front left brake caliper assembly on Porsche 964 and 993 models. It forms part of the front hydraulic braking system and connects according to the factory brake line layout.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96435517512
The product you are viewing cross references to these numbers
- 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
##

Fits:
Porsche 993 1994-98
Porsche 993 Turbo 1995>> (with option code: 339 - All-wheel drive)
Click 'Zoom in' for large parts diagram.
Diagram ref no 6
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99335575200
The product you are viewing cross references to these numbers
- 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
Hydra tec lubricant for maintenance work and protection Textar
Available in 75ml Tube or 5ml Sachet
The Advantages of Hydra Tec:
- Facilitates the installation of hydraulic brake components
- Tested compatibility with commercially available braking fluids (DOT3, DOT4, DOT4LV, DOT5.1)
- Free of mineral oils and compatible with EPDM rubber
- In addition, running surfaces are protected against corrosion
Hydra Tec is suitable for lubricating:
- Cylinder running surfaces
- Pistons
- Sealing elements
Application:
Apply a thin layer of Hydra Tec on the marked sections.
Note:
Hydra Tec should be applied thinly and evenly.
Never use mineral oils or greases as substitutes.
Do not apply the product on friction surfaces of brake pads or brake discs.
Find out about Textar product verification here
-
brake lines body front section 993 1994-98 604-05
-
brake lines body front section 993 M224 1994-98 604-08
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brake lines body front section 993 M339 (all-wheel drive) 1995 onawrds, 993 TURBO and 993 CARRERA RS 1994-98 604-09
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brake lines front axle underbody rear axle 993 1994-98 604-10
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brake lines front axle underbody 993 M224, 993 M339 (All-wheel drive) 1995 onwards, 993 TURBO and 993 CARRERA RS 1994-98 604-12
Porsche Calipers & Brake Lines | Design911 Precision Components for Hydraulic Pressure, Control & Performance
Calipers and brake lines are critical elements of your Porsche’s braking system, working together to deliver consistent hydraulic pressure and stopping power. The caliper converts fluid pressure into mechanical force, pressing the brake pads against the disc, while the brake lines ensure precise fluid transfer throughout the system. Maintaining these components in top condition is essential for safety, braking balance, and pedal feel — especially in high-performance or demanding driving environments.
At Design911, we offer a premium range of brake calipers and lines, designed for precision fitment, strength, and reliability. Each component is crafted using corrosion-resistant materials and advanced engineering to deliver consistent hydraulic response, heat resistance, and long-term durability. Whether for road use, restoration, or motorsport applications, our products ensure your Porsche’s braking system performs at its absolute best.
What Do Calipers & Brake Lines Do?
Brake calipers and lines form the hydraulic backbone of the braking system, converting pedal force into controlled, powerful deceleration.
Core Functions:
• Calipers apply clamping force to the brake pads against the discs.
• Brake lines transfer pressurised fluid from the master cylinder to the
calipers.
• Ensure consistent pressure and braking balance across all wheels.
• Support heat dissipation and smooth hydraulic operation.
• Maintain precise pedal feel for confident braking control.
Together, these components ensure your Porsche’s brakes deliver the precision, power, and stability required for road and track use alike.
Why Do Calipers & Brake Lines Fail or Degrade?
Both components are exposed to extreme heat, pressure, and environmental elements — conditions that can lead to wear, corrosion, and eventual failure.
Common Causes of Failure Include:
• Corrosion or rust on calipers and fittings.
• Leaking hydraulic seals or damaged pistons.
• Cracked or bulging rubber brake hoses.
• Air or moisture contamination in the hydraulic system.
• Brake fluid degradation causing internal corrosion.
• Physical damage from debris, impact, or improper installation.
When calipers or brake lines fail, braking performance becomes inconsistent or unsafe — with symptoms like spongy pedals, fluid leaks, or uneven braking response.
Why Replace or Upgrade Your Porsche Calipers & Brake Lines?
Replacing worn or corroded components ensures your braking system operates safely and efficiently. Upgrading to high-performance or stainless-steel brake lines enhances pressure consistency and pedal feel, while refurbished or precision-engineered calipers restore perfect hydraulic control.
Key Benefits:
• Restores full hydraulic braking performance.
• Improves pedal responsiveness and feel.
• Eliminates leaks, corrosion, and pressure loss.
• Enhances braking stability under high temperatures.
• Available in performance and standard replacement options.
• Suitable for classic and modern Porsche models.
Design911’s Porsche calipers and brake lines deliver uncompromising reliability and precision — ensuring your Porsche stops with the same confidence it accelerates.
Highlights
• High-quality Porsche brake calipers and hydraulic lines.
• Engineered for performance, durability, and exact fitment.
• Stainless-steel braided options for improved pressure stability.
• Corrosion- and heat-resistant construction.
• Perfect for road, race, and restoration applications.
• Compatible with a wide range of Porsche models.