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Intermediate piece Genuine Porsche part 99635565003
• This part is brand new and unused.
• Please verify that it is 100% suitable for your specific vehicle before purchase to ensure compatibility.
Before purchasing thoroughly check part to confirm compatibility.
- We are unable to provide fitting details for this product at this time. Please contact us for further information.
Brake Hose
Maintain the safety and braking performance of your Porsche
with this OE Match Brake Hose. Manufactured to
original equipment specifications, this premium flexible hydraulic brake hose is designed to providing reliable hydraulic pressure transfer between the rigid brake lines
and the brake calipers.

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 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 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 997 MKII Turbo 2010-13

Porsche Boxster 987 2.7L 2005-08/08
Porsche Boxster 987 S 3.2/3.4L 2005-08/08
Porsche Boxster 987 MKII 2.9L 2009-12
Porsche Boxster S 987 MKII 3.4L 2009-12
Porsche Cayman 2.7L 987C 2006-08
Porsche Cayman S 3.4L 987C 2005-08
Porsche Cayman 2.9L 987C MKII 2009-12
Porsche Cayman S / R 3.4L 987C MKII 2009-12
Diagram ref no 4
Engineered using high-quality reinforced materials, this OE Match brake hose is built to withstand the high hydraulic pressures and demanding operating conditions experienced during everyday driving and spirited road use. It delivers dependable braking performance while maintaining the precise pedal feel expected from a Porsche braking system.
What Does the Brake Hose Do?
The brake hose is a vital component of the hydraulic braking system. It connects the fixed metal brake pipes to the moving brake calipers, allowing suspension and steering movement while maintaining constant hydraulic pressure.
Its primary functions include:
- Transferring brake fluid under high pressure.
- Allowing suspension and steering movement.
- Maintaining consistent brake pedal feel.
- Supporting Porsche ABS and PSM systems.
- Delivering reliable hydraulic braking performance.
- Providing safe, leak-free operation under all driving conditions.
Without a correctly functioning brake hose, hydraulic pressure cannot be delivered safely to the brake caliper, reducing braking efficiency and vehicle safety.
Why Do Brake Hoses Fail?
Brake hoses are exposed to constant movement, heat and
environmental conditions. Over time they naturally deteriorate. Common causes
include:
- Age-related rubber degradation.
- Internal hose deterioration.
- Heat from the braking system.
- Exposure to moisture, road salt and contaminants.
- Surface cracking.
- Abrasion against suspension components.
- Internal swelling restricting brake fluid flow.
- Corrosion around hose fittings.
As brake hoses age, they can become less flexible, reducing braking performance and increasing the risk of hydraulic failure.
When Should the Brake Hose Be Replaced?
Replacement is recommended whenever:
- Visible cracks appear in the hose.
- The hose shows signs of swelling or bulging.
- Brake fluid leaks develop.
- The hose becomes damaged through abrasion.
- The braking system is undergoing major refurbishment.
- Brake calipers are being replaced.
- During preventative maintenance on older vehicles.
- Whenever deterioration is identified during servicing.
Many Porsche specialists recommend replacing ageing brake hoses in axle pairs to maintain balanced braking performance and consistent hydraulic response.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99635513904
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 Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- 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 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 997 MKII Turbo 2010-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12


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>>
Click 'Zoom in' for large parts diagram
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99635513904KIT
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 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 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 997 MKII Turbo 2010-13


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>>
Click 'Zoom in' for large parts diagram
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99635513904
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 Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- 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 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 997 MKII Turbo 2010-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
This kit contains 2 x front & 2 x rear brake lines
Fits:
Porsche Boxster 987 2.7L 2005 -08/08
Porsche Boxster 987 S 3.2/3.4L 2005-08/08
Porsche Boxster 987 MKII 2.9L 2009-2012
Porsche Boxster S 987 MKII 3.4L 2009-2012
Porsche Cayman 2.7L 987C 2006-08
Porsche Cayman S 3.4L 987C 2005-08
Porsche Cayman 2.9L 987C MKII 2009-12
Porsche Cayman S / R 3.4L 987C MKII 2009-12
Diagram ref no 4
Brake hydraulic hoses are flexible lines that connect the rigid brake lines running along your vehicle’s body or frame to the brake calipers. These hoses are specially engineered and sized to move with the suspension, allowing for smooth travel as the vehicle goes over bumps and uneven road surfaces.
Because they carry brake fluid and transmit hydraulic pressure to the calipers or wheel cylinders, it’s essential to inspect brake hoses regularly. Over time, rubber hoses can deteriorate, with the inner lining shrinking and restricting fluid flow, which negatively affects braking performance
Brake Hydraulic Hose Kit Failure Symptoms
- Cracks or frays on external layer of hose
- Heavy corrosion on end fittings
- Leaks of any kind
- Loss of brake pedal pressure
- Poor braking performance
- Inoperable brakes
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98735563702
The product you are viewing cross references to these numbers
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12