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Porsche > 991 (911) MK1 2012-2016 > Engine Cooling > Coolant Hoses and Pipes (Front engine cars) >

Hose Clips / Screws / Brackets and Fixings

Hose Clips / Screws / Brackets and Fixings

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DISPLAYING 1 to 4 (of 4 products)
Fillister Head Screw, M6 x 10. Porsche 997 Turbo / 991 Turbo / 992.1 Turbo - PAF008313, 9990732360A
6
Fillister Head Screw, M6 x 10. Porsche 997 Turbo / 991 Turbo / 992.1 Turbo
Special Order item
PAF008313
Product Information
Product Information
Fillister Head Screw, M6 x 10
This is a Genuine Porsche fillister head screw / oval-head screw / fillister head bolt, size M6 x 10. It is used as a factory fastening screw within the turbocharger pipework area, including water line, oil line, pressure line and suction line mounting points.
Sold individually

Fits:
Porsche 997 Turbo 2007 - 2013
Porsche 991 Turbo 2014 - 2020
Porsche 992 Turbo 2020 - 2025

Diagram ref no 16 - for 997 models
Diagram ref no 8 - for 991 models
Diagram ref no 12 - for 992 models

This is an original Porsche OE fixing screw, previously supplied under part number 9990732360A and now replaced by the newer Porsche part number PAF008313.

This part is commonly associated with turbocharged Porsche 911 models and turbocharger pipework diagrams. Always check compatibility using the vehicle VIN, model year and Porsche parts catalogue before ordering.

This screw is fitted in the engine/turbocharger area, where it is used to secure associated pipework and line brackets around the exhaust gas turbocharger assembly.

It may be used with:
•  Turbocharger water line fixings
•  Turbocharger pressure line fixings
•  Turbocharger suction line fixings
•  Turbocharger oil/coolant pipe support points
•  Related exhaust gas turbocharger mounting hardware

Exact position can vary depending on model, engine type and turbocharger layout.

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Related, superseded, cross reference or alternative numbers for comparison.

PAF008313
PAF008313
9990732360A

The product you are viewing cross references to these numbers
Fillister Head Screw, M6 x 10. Porsche 997 Turbo / 991 Turbo / 992.1 Turbo - PAF008313, 9990732360A - 101432
6
Fillister Head Screw, M6 x 10. Porsche 997 Turbo / 991 Turbo / 992.1 Turbo
PAF008313/1
Product Information
Product Information
Fillister Head Screw, M6 x 10
This OE Match fillister head screw is an M6 x 10 fastening screw used on Porsche 911 Turbo models for securing exhaust gas turbocharger line components. It is used as a factory fastening screw within the turbocharger pipework area, including water line, oil line, pressure line and suction line mounting points.
Sold individually

Fits:
Porsche 997 Turbo 2007 - 2013
Porsche 991 Turbo 2014 - 2020
Porsche 992 Turbo 2020 - 2025

Diagram ref no 16 - for 997 models
Diagram ref no 8 - for 991 models
Diagram ref no 12 - for 992 models

This screw may be used in different locations depending on model, year, and engine specification. Always check the part number, diagram position, and vehicle compatibility before ordering.

This screw is used to secure small but important turbocharger pipework and line brackets in place. It helps keep the turbocharger cooling, oil, pressure, or suction line connection properly mounted and stable, preventing unwanted movement caused by engine vibration, heat cycles, and turbocharger operation.

It may be used with:
•  Turbocharger water line fixings
•  Turbocharger pressure line fixings
•  Turbocharger suction line fixings
•  Turbocharger oil/coolant pipe support points
•  Related exhaust gas turbocharger mounting hardware

Exact position can vary depending on model, engine type and turbocharger layout.

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

PAF008313
PAF008313
9990732360A

The product you are viewing cross references to these numbers
Water / Coolant pipe O-ring 22 x 3 mm for Porsche Various Models - 99970751740, 99970751741
1
Water / Coolant pipe O-ring 22 x 3 mm for Porsche Various Models
Special Order item
99970751741
Product Information
Product Information
Water / Coolant pipe O-ring 22 x 3 mm
This Porsche Genuine OE O-Ring (Part No. 99970751741) is a precision-engineered sealing ring (22 x 3 mm) used within the engine cooling system, specifically at water/coolant pipe connections. It is commonly referred to as a coolant pipe O-ring, water inlet O-ring, or thermostat housing seal.
Sold individually

Fits:
O-Ring 99970751741 is widely used across multiple Porsche models, including:
Porsche 911 (997.2 / 991)
Porsche Boxster (987.2 / 981 / 982)
Porsche Cayman (987C.2 / 981C / 982C )
Porsche Cayenne (955 / 9YA)
Porsche Panamera (971 / 976)

Fitment / Position on car
•  Fitting position: Engine cooling system
•  Location: At coolant pipe joints / water inlet connections / thermostat housing
•  System: Engine cooling / coolant circulation

Cross Reference / Superseded Numbers: 99970751740 - replaced by 99970751741

The Porsche Genuine OE Coolant Pipe O-Ring 99970751741 is a small but essential sealing component used across many Porsche models. It ensures a leak-free connection within the cooling system, maintaining proper coolant flow, pressure, and engine temperature control. As a genuine Porsche part, it guarantees exact fitment and durability.

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

99970751741
99970751740
99970751741

The product you are viewing cross references to these numbers
Water / Coolant pipe O-ring 22 x 3 mm for Porsche Various Models - 99970751740, 99970751741
1
Water / Coolant pipe O-ring 22 x 3 mm for Porsche Various Models
99970751741/1
Product Information
Product Information
Water / Coolant pipe O-ring 22 x 3 mm
This OE Match O-Ring (22 x 3 mm) is a high-quality replacement sealing component designed to meet original Porsche specifications for fit, durability, and performance. This O-ring is used within the engine cooling system, sealing coolant pipe connections to prevent leaks and maintain system pressure.
Sold individually

Fits:
O-Ring 99970751741 is widely used across multiple Porsche models, including:
Porsche 911 (997.2 / 991)
Porsche Boxster (987.2 / 981 / 982)
Porsche Cayman (987C.2 / 981C / 982C )
Porsche Cayenne (955 / 9YA)
Porsche Panamera (971 / 976)

This O-ring is commonly used across a wide range of Porsche models and is essential when removing or reinstalling coolant pipes, housings, or related components. As with all sealing elements, it should always be replaced during servicing to ensure optimal performance and prevent future leaks.

Fitment & Application:
•  Suitable for various Porsche models
•  Commonly used in engine cooling systems
•  Function: Prevents coolant leaks and maintains system pressure
•  Position: Coolant pipes / hose connections / housing joints
•  Size: 22 mm inner diameter x 3 mm thickness
•  Sold: Individually

Cross Reference / Superseded Numbers: 99970751740 - replaced by 99970751741

Coolant system O-rings are exposed to constant heat and chemical exposure, causing them to harden, crack, or lose elasticity over time. A failing seal can lead to coolant leaks, overheating, and potential engine damage. Replacing O-rings during servicing ensures proper sealing, prevents leaks, and maintains reliable cooling system operation.

When to replace
•  During coolant pipe or housing removal
•  Visible coolant leaks or residue
•  O-ring appears flattened, brittle, or cracked
•  Preventative replacement during cooling system service
•  After engine overheating incidents

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

99970751741
99970751740
99970751741

The product you are viewing cross references to these numbers
DISPLAYING 1 to 4 (of 4 products)
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About Hose Clips / Screws / Brackets and Fixings

Coolant Hose Clips, Screws, Brackets & Fixings – Secure Connections for Porsche Cooling Systems

Coolant hose clips, screws, brackets, and fixings are small but crucial components that ensure the stability, sealing, and reliability of your Porsche’s cooling system. These precision-engineered fittings keep coolant hoses and pipes securely fastened, maintaining proper coolant flow and preventing leaks — even under extreme temperature and pressure conditions.

At Design911, we stock a complete selection of genuine and manufacturer-quality coolant hose clips, screws, brackets, and fixings for Porsche 911, Boxster, Cayman, Cayenne, Macan, and Panamera models. Each component is engineered for exact fitment, corrosion resistance, and long-term strength — ensuring every hose and connection performs to factory standards.

What Do Coolant Hose Clips and Fixings Do?

These parts form the structural foundation of your Porsche’s cooling system. Their primary functions include:

  • Securing coolant hoses and pipes in place to prevent movement or detachment.
  • Maintaining tight, leak-free connections under varying thermal pressures.
  • Supporting cooling system alignment through brackets and clips.
  • Protecting hoses from vibration damage or contact with moving components.

Together, these fasteners help ensure reliable coolant circulation and stable engine temperatures — vital for your Porsche’s performance and longevity.

Why Do Clips, Screws, and Fixings Fail?

Even the smallest cooling system parts are exposed to significant wear over time. Common causes of failure include:

  • Corrosion or rust from heat and coolant exposure.
  • Metal fatigue or cracking under repeated thermal expansion.
  • Loss of tension in hose clamps, leading to leaks.
  • Plastic degradation on older or high-mileage vehicles.
  • Vibration damage loosening brackets or screws.

Symptoms of failure include coolant leaks, rattling noises in the engine bay, or hoses slipping from their fittings.

Why Replace Faulty Coolant Hose Fixings?

Replacing worn or corroded clips and brackets is essential to maintain cooling efficiency and prevent costly engine damage from leaks or overheating.

Benefits of replacement include:

  • Restored, secure hose and pipe connections.
  • Prevention of coolant leaks and pressure loss.
  • Improved cooling system integrity and safety.
  • Manufacturer-quality construction for long-lasting performance.

All components in this range are made from high-grade materials — including stainless steel and reinforced polymers — designed to exact specifications for strength, corrosion resistance, and precision fitment.

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