Radiator hose retaining clamp. Porsche 997.1 / 997.2 / 987.1 / 987.2 Boxster & Cayman 2005–12 › 99751274201

Radiator hose retaining clamp
This retaining clamp is designed to secure the radiator coolant hose assembly in its correct position, helping maintain proper hose alignment and prevent unwanted movement within the cooling system.
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Fits:
Porsche 987.1 Boxster / S 2005 - 2008
Porsche 987.2 Boxster / S 2009 - 2012
Porsche 987C.1 Cayman / S 2006 - 2008
Porsche 987C.2 Cayman / S 2009 - 2012
Porsche 997.1 Carrera 3.6L /  3.8L 2005 - 2008 CABRIO/COUPE
Porsche 997.2 Carrera 3.6L /  3.8L  2009 - 2010 CABRIO/COUPE

Diagram ref no 

Designed to meet Porsche's original equipment specifications, this replacement component provides secure fastening and reliable support for the associated radiator hose connections.

Ideal for replacing worn, damaged or missing original clamps during radiator repairs, coolant hose replacement or cooling system maintenance.

Previous Porsche Part Number: 99710690100.

What Does This Part Do? – Functions

• Secure Hose Retention: Helps hold radiator coolant hoses firmly in position.
• Correct Alignment: Maintains proper positioning of associated cooling system connections.
• Vibration Resistance: Reduces unwanted hose movement during vehicle operation.
• Component Support: Helps protect hose connections from unnecessary mechanical stress.
• Original Fitment: Supports factory-correct cooling system assembly.

Why Replace This Part?
Over time, radiator hose retaining clamps can become worn, weakened or damaged due to heat exposure, vibration and ageing. A damaged or missing clamp may allow excessive hose movement, potentially placing additional stress on the cooling system connections.

Replacing it with a genuine Porsche component helps restore secure hose retention, maintain correct alignment and support the reliability of the radiator cooling system.

When to Replace This Part?

• Physical Damage: Cracked, broken or deformed retaining clamp.
• Loose Hoses: Excessive movement around radiator hose connections.
• Corrosion: Visible deterioration affecting clamp strength.
• Missing Clamp: Original retaining component has been lost or removed.
• 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 retaining clamp is installed within the front radiator assembly, securing the associated coolant hose connection in its designated position. It helps maintain correct hose routing and alignment around the radiator mounting area.

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99751274201

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