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Your Vehicle  //  Porsche  //  997 (911) MK1 2005-2008  //  997 MK1 GT3 / GT3 RS 2007-09

Hose Clips / Screws / Brackets and Fixings

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DISPLAYING 1 to 6 (of 6 products)
90037801301/1::1
Product Information
Product Information
Hex head bolt M6x25 with various applications
Sold each


Fits:
Porsche 986 Boxster - 1997 to 2004
Porsche 987 Boxster / Cayman - 2005 to 2012
Porsche 993 - 1994 to 1998
Porsche 997 - 2005 to 2012



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90037801301
90037801301
90037801309

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Special Order item
90037801301::1
Product Information
Product Information
Hex head bolt M6x25 with various applications
Sold each

Fits:
Porsche 986 Boxster - 1997 to 2004
Porsche 987 Boxster / Cayman - 2005 to 2012
Porsche 993 - 1994 to 1998
Porsche 997 - 2005 to 2012



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Related, superseded, cross reference or alternative numbers for comparison.

90037801301
90037801301
90037801309

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Special Order item
99710625502
Product Information
Product Information
Coolant Hose Connecting Piece
This connecting piece forms part of the radiator coolant hose assembly, providing a secure connection between associated coolant hoses and pipework. It helps maintain an effective coolant circulation system, ensuring reliable coolant flow and supporting consistent engine temperature regulation.

Fits:
Porsche 987.1 Boxster / S 2005 - 2008
Porsche 987.2 Boxster / S 2009 - 2010
Porsche 987C.1 Cayman / S 2006 - 2008
Porsche 987C.2 Cayman / S 2009 - 2012
Porsche 997.1 Carrera 2005 - 2008
Porsche 997.1 Turbo 2007 - 2009
Porsche 997.2 Carrera 2009 - 2012
Porsche 997.2 Turbo 2010 - 2013
Porsche 997 GT3 2007 - 2010

Diagram ref no 11

Manufactured to Porsche's original specifications, this genuine replacement connector offers precise fitment, durability and resistance to the temperature and pressure demands of the cooling system.

Ideal for replacing cracked, damaged or leaking original connectors during radiator repairs, coolant hose replacement or routine cooling system maintenance.

What Does This Part Do? – Functions
  • Secure Connection: Joins radiator coolant hoses and associated cooling system pipework.
  • Coolant Circulation: Supports consistent coolant flow through the radiator circuit.
  • Leak Prevention: Helps maintain a secure, leak-resistant connection.
  • Temperature Resistance: Designed to withstand normal cooling system temperatures and pressures.
  • Original Fitment: Maintains Porsche factory cooling system specifications.

Why Replace This Part?
Over time, coolant hose connecting pieces can become brittle, cracked or damaged due to repeated temperature changes, coolant pressure and ageing. A deteriorated connector may cause coolant leaks, pressure loss and reduced cooling system efficiency.

Replacing a damaged connector with a genuine Porsche component helps restore secure hose connections, reduce the risk of coolant loss and maintain reliable engine cooling performance.

When to Replace This Part?
  • Coolant Leaks: Visible coolant escaping around the connector.
  • Physical Damage: Cracked, broken or deformed connecting piece.
  • Poor Sealing: Loose or leaking coolant hose connections.
  • Material Deterioration: Signs of ageing, brittleness or damage.
  • Cooling System Repairs: During radiator or coolant hose replacement.

Where Does It Fit on the Car?
Location: Front cooling system – radiator coolant hose assembly.

The coolant hose connecting piece is installed within the radiator coolant pipework, joining the associated coolant hoses and helping maintain a secure connection between cooling system components. It forms part of the front radiator hose arrangement on compatible Porsche 987 and 997 models. 

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99710625502
99710625502

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99951255400
Product Information
Product Information
Hose clamp, 12-22 mm - Various Applications.

Fits:
Porsche 911 - 1978 to 1989
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1998
Porsche 986 Boxster - 1997 to 2004
Porsche 996 - 1997 to 2005
Porsche 997.1 - 2005 to 2008



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99951255400
99951255400

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99951123141
Product Information
Product Information
Rubber isolator bush pipe mounting bracket. 
Sold each


Fits:
Porsche 986 Boxster - 1997 to 2004
Porsche 987.2 Boxster - 2009 to 2012
Porsche 987.2 Cayman - 2009 to 2012
Porsche 996 - 1997 to 2005
Porsche 996 GT3 - 1999 to 2004
Porsche 997.1 / 997.2 - 2005 to 2012
Porsche 997 GT3 - 2007 to 2012

Used in various locations on air conditioning and water coolant solid pipes

Diagram ref no 36



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

99951123141
99951123141

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Special Order item
99710654002
Product Information
Product Information
Support bracket for water coolant pipes. 2 per vehicle. Sold as each.

Fits:
Porsche 987 Boxster 2005-2008
Porsche 987C Cayman 2006-2008
Porsche 987.2 Boxster 2009-2012
Porsche 987C.2 Cayman 2009-2012
Porsche 996 Carrera / Turbo1998-2005 
Porsche 997.1 Carrera / Turbo / GT3 2005-2008
Porsche 997.2 Carrera / Turbo / GT3 2009-2012

Diagram ref no 23


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99710654002
99710654002

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DISPLAYING 1 to 6 (of 6 products)
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About Hose Clips / Screws / Brackets and Fixings

Hose Clips, Screws, Brackets & Fixings for Reliable Coolant System Performance

Hose clips, screws, brackets and fixings are the essential hardware that keeps your coolant hoses, pipes and auxiliary lines securely in place. These compact but critical components maintain stable pressure, prevent coolant leaks, and ensure the entire cooling system functions efficiently under varying temperatures and engine loads. Whether you're upgrading cooling components, performing routine maintenance or completing a restoration project, dependable hose fixings are vital to long-term engine health.

What Hose Clips, Screws, Brackets & Fixings Do

Cooling systems operate under constant pressure and temperature fluctuations.

These fittings perform several key roles:

  • Securing coolant hoses and pipes to prevent movement, abrasion or disconnection
  • Maintaining a reliable seal against leaks and pressure drops
  • Supporting correct routing of hoses throughout the engine bay
  • Preventing vibration damage by keeping lines firmly positioned
  • Ensuring proper airflow and coolant flow by holding components safely in place

From simple worm-drive hose clamps to engineered brackets made for specific vehicle models, these components are designed to ensure stability and performance.

Why Hose Clips & Fixings Commonly Fail

Over time, coolant system fixings endure significant strain from heat cycles, vibration and coolant exposure.

Common reasons for failure include:

  • Corrosion due to moisture or coolant seepage
  • Material fatigue or weakened tension from age
  • Cracked or brittle brackets caused by heat stress
  • Over-tightening or incorrect installation leading to thread damage
  • Degraded rubber insulators on mounting brackets
  • Hose expansion causing clamps to loosen

When these components weaken, the system can no longer maintain proper pressure, often resulting in leaks, overheating, or hose detachment.

Why You Should Replace Worn Hose Clips & Fixings

Replacing worn or damaged fixings with high-quality, precision-made replacement components designed to match original performance levels ensures your cooling system remains secure, leak-free and efficient.

Benefits of replacing them include:

  • Restored clamping strength and sealing reliability
  • Reduced risk of coolant leaks and overheating
  • Proper alignment and support for coolant hoses and pipes
  • Improved durability under heat and vibration
  • Enhanced long-term cooling system resilience

Quality fixings are a small investment that protect major engine components, ensuring dependable performance in both daily driving and high-demand conditions.

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