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Caliper and Brake Lines

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DISPLAYING 1 to 16 (of 30 products)
1 2
BRAKELINEKIT03
Product Information
Product Information
Caliper brake line kit - front and rear
Sold as a set of 4 brake lines

Fits:

Porsche 986 Boxster - 1997 to 2004
Porsche 986 Boxster S - 1997 to 2004
For cars WITHOUT PCCB (ceramic brakes)

Diagram ref no 1, 7 and 5, 6



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BRAKELINEKIT03
99635558106
99635558107
99635158406
99635558407

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BRAKELINEKIT04
Product Information
Product Information
Caliper brake line kit - front and rear
Sold as a set of 4 brake lines

Fits:

Porsche 987.1 / 987.22 Boxster - 2005 to 2012
Porsche 987.21 / 987.2 Boxster S  - 2005 to 2012
Porsche 987.1 Cayman 
- 2005 to 2012
Porsche 987.2 Cayman S / Cayman R 
2005 to 2012
For cars WITHOUT PCCB (ceramic brakes)


Diagram ref no 1, 7 and 5, 6



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Related, superseded, cross reference or alternative numbers for comparison.

BRAKELINEKIT04
98735558100
987351158101
98735558200
98735558201
99635558106
99635558107
99635158406
99635558407

The product you are viewing cross references to these numbers
Special Order item
99735196101
Product Information
Product Information
Brake caliper connecting line - front. 

Sold individually; fits left or right side.

front
Porsche 981 Boxster 2012-16 - For non-S 2.7L models without ceramic brakes (PCCB)
Porsche 981 Cayman 2014-16 - For non-S 2.7L models without ceramic brakes (PCCB)

Porsche 718 (982) Boxster 2017>> - For non-S 2.0L models without ceramic brakes (PCCB)
Porsche 718 (982) Cayman 2017>> - For non-S 2.0L models without ceramic brakes (PCCB)

Porsche 997.2 Carrera 2009-12 - For non-S/GTS C2/C4 3.6L models without ceramic brakes (PCCB)

Porsche 991.1 Carrera 2012-16 - For non-S/GTS C2/C4 3.4L models without ceramic brakes (PCCB)

Diagram ref. 10.

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Related, superseded, cross reference or alternative numbers for comparison.

99735196101
99735196100
99735196101

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Special Order item
99135531231
Product Information
Product Information
Brake line master cylinder to ABS unit - RHD (Right Hand Drive)

porsche

Fits:
Porsche 981 Boxster - 21/10/14 to 2016
Porsche 981 Cayman - 21/10/14 to 2016
Porsche 981 Spyder - 2016
Porsche 981 Cayman GT4 - 2016
Porsche 718 Boxster - 2017 Onwards
Porsche 718 Boxster Spyder - 2017 Onwards
Porsche 718 Cayman - 2017 Onwards
Porsche 718 Cayman GT4 - 2017 Onwards
Porsche 991.1 / 991.2 (Not GTS) - 2012 to 2019

Click 'Zoom in' for large parts diagram.
Diagram ref no 13



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99135531231
99135531231

The product you are viewing cross references to these numbers
Special Order item
99135531430
Product Information
Product Information
Brake line master cylinder to ABS unit - RHD (Right Hand Drive)

porsche

Fits:
Porsche 981 Boxster - 21/10/14 to 2016
Porsche 981 Cayman - 21/10/14 to 2016
Porsche 981 Spyder - 2016
Porsche 981 Cayman GT4 - 2016
Porsche 718 Boxster - 2017 Onwards
Porsche 718 Boxster Spyder - 2017 Onwards
Porsche 718 Cayman - 2017 Onwards
Porsche 718 Cayman GT4 - 2017 Onwards
Porsche 991.1 / 991.2 (Not GTS) - 2012 to 2019

Click 'Zoom in' for large parts diagram.
Diagram ref no 13



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99135531430
99135531430

The product you are viewing cross references to these numbers
Special Order item
99735533101
Product Information
Product Information
Brake Line Retainer Spring Clip
Sold each

porsche

Fits:
Porsche 986 Boxster 1997-04
Porsche 996 Carrera 1998-05
Porsche 996 Turbo / GT2
Porsche 996 GT3
Porsche 997 Carrera MKI & MKII 2005>>
Porsche 997 Turbo / GT2 2007>>
Porsche 987 Boxster MKI & MKII 2005>>
Porsche 987C Cayman MKI & MKII 2006>>


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99735533101
99735533100
99735533101

The product you are viewing cross references to these numbers
Special Order item
99735575300
Product Information
Product Information
Brake line support reinforcement.

Porsche 987 Boxster / Boxster S MKI 2005-08
Porsche 987 Boxster MKII 2009-12
Porsche 987C Cayman / Cayman S MKI 2005-08
Porsche 987C Cayman MKII 2009-12
Porsche 997.1 Carrera 2005-08
Porsche 997.2 Carrera 2009-12

Click 'Zoom in' for large parts diagram.
Diagram ref no 7

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99735575300
99735575300

The product you are viewing cross references to these numbers
Special Order item
99135517505
Product Information
Product Information
Brake Line, Front End.

Fits:
Porsche 981 Boxster MKI 2014>>2016
Porsche 981 Cayman MKI 2014>>2016
Porsche 981 Boxster Spyder MKI 2016>>2016
Porsche 982 Boxster (718) 2017>>
Porsche 982 Cayman (718) 2017>>
Porsche 982 Boxster Spyder 2019>>

Porsche 991 Carrera MKI 2014>>2016
Porsche 991 Carrera MKII 2017>>2019
Porsche 991 Turbo MKI 2012>>2016
Porsche 991 Turbo MKII 2017>>2020
Porsche 991 GT2 RS MKII 2016>>2020
Porsche 991 R / GT3 / GT3RS MKI 2012>>2017
Porsche 991 GT3 / GT-Speed MKII 2017>>2021
Porsche 981 Cayman GT4 MKI 2016>>2016
Porsche 982 Cayman GT4 (718) 2019>>

Diagram Ref No 3



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99135517505
99135517505

The product you are viewing cross references to these numbers
Special Order item
99261177
Product Information
Product Information
Brake line, Front.

porsche

Fits:
For cars with Ceramic brake (PCCB)
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 982 (718) Boxster 2017>>
Porsche 981C Cayman 2014-16
Porsche 982C (718C) Cayman 2017>>

Porsche 991.2 Carrera S (Iron disc/Non-PCCB model)

Click 'Zoom in' for large parts diagram.
Diagram ref no 21 (LEFT) or 22 (RIGHT)

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99261177
99135558103
992611771A
992611771F
99135558203
992611772A
992611772F

The product you are viewing cross references to these numbers
Special Order item
99635517512
Product Information
Product Information
Brake line, Left.

porsche

Fits:
Porsche 986 Boxster 1998-04 F 98-WS607 095>>
Porsche 996 Carrera 1997-04 F >> 99-WS606 999
/ F >> 99-WS640 804
Porsche 996 GT2 2001-05
Porsche 996 GT3 1999-05

Click 'Zoom in' for large parts diagram.
Diagram ref no 5

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99635517512
99635517512
99635517511
99635517510
99635517508

The product you are viewing cross references to these numbers
Special Order item
98635519012
Product Information
Product Information
Brake line, rear right.

porsche

Fits:
Porsche 986 Boxster 1997-04

Click 'Zoom in' for large parts diagram.
Diagram ref no 8

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98635519012
98635519012
98635519011
98635519010
98635519009
98635519008
98635519007

The product you are viewing cross references to these numbers
Special Order item
98635518909
Product Information
Product Information
Brake line, Rear, Left.

porsche

Fits:
Porsche 986 Boxster 1997-04

Click 'Zoom in' for large parts diagram.
Diagram ref no 1


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98635518909
98635518909
98635518908
98635518907
98635518906

The product you are viewing cross references to these numbers
Special Order item
98135558
Product Information
Product Information
Brake line, Rear

porsche

Fits:
NOT for cars with Ceramic Brakes
Porsche 981 Boxster 2012-16
Porsche 982 (718) Boxster 2017>>
Porsche 981C Cayman 2014-16
Porsche 982C (718C) Cayman 2017>>

Click 'Zoom in' for large parts diagram.
Diagram ref no 7

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98135558
98135558102
98135558202

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Special Order item
99635517913
Product Information
Product Information
Brake line. Front axle.

porsche

Fits:
Porsche 986 Boxster 1997-05
Porsche 996 Carrera 1998-05
Porsche 996 Turbo / GT2 2001-05
Porsche 996 GT3 2004-05

Click 'Zoom in' for large parts diagram.
Diagram ref no 19

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99635517913
99635517913
99635517912
99635517911
99635517909
99635517908
99635517907
99635517906

The product you are viewing cross references to these numbers
Special Order item
99635517608
Product Information
Product Information
Brake pipe line front right.

porsche

Fits:
Porsche 986 Boxster >>1998
F >> 98-XU621 174

Porsche 996 Carrera 2 up to 1999
F >>99XS622 838
F >>99XS650 677

This part number has been superseded from previous numbers:
- 99635517606

Click 'Zoom in' for large parts diagram.
Diagram ref no 9

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99635517608
99635517608
99635517606

The product you are viewing cross references to these numbers
Special Order item
99635517610
Product Information
Product Information
Brake pipe line front right.

porsche

Fits:
Porsche 986 Boxster 1998>>
F 98-XU621175 >>

Porsche 996 Carrera 2 1999>>
F 99-XS622 839>>
F 99-SX650 678>>

This part number has been superseded from previous numbers:
- 99635517607
- 99635517609

Click 'Zoom in' for large parts diagram.
Diagram ref no 9

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99635517610
99635517607
99635517609
99635517610

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DISPLAYING 1 to 16 (of 30 products)
1 2
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About Caliper and Brake Lines

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.

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