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Water radiator hose clamp. Porsche 986 Boxster / 996 Carrera - 99951249900
99951249900
Vehicle Group
- 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
Information
Water radiator hose clamp, 32-50 mm
Genuine Porsche OE water radiator hose clamp, 32–50 mm, for Porsche 986 Boxster and 996 Carrera models. This original Porsche hose clamp is used in the engine cooling system to secure radiator and coolant hoses, helping maintain a tight, reliable connection between cooling system components.
Sold individually,
Fits:
Porsche 986 Boxster 2.5L / 2.7L / S 3.2L 1997 - 2004
Porsche 996 C2 / C4 / C4S 1998 - 2005
Diagram Ref No 10
Part number 99951249900 is a Genuine Porsche water radiator hose clamp, also listed as 999-512-499-00. It is a factory-style clamp with a 32–50 mm clamping range, used on selected Porsche coolant hose and radiator hose connections.
What This Part Does / Functions
• Secures radiator and coolant hoses to pipe connections
• Helps maintain a tight seal in the cooling system
• Prevents coolant hose movement or disconnection under pressure
• Helps reduce the risk of coolant leaks at hose joints
• Maintains correct clamping force around the hose connection
• Supports reliable coolant flow and cooling system pressure
• Provides OE Porsche fitment for factory hose sizes and routing
• Replaces corroded, weakened, damaged or incorrect hose clamps.
Why Replace This Part?
Radiator hose clamps are exposed to heat, coolant, moisture, road dirt and repeated expansion/contraction of the hose. Over time, the clamp can corrode, weaken, seize or lose its ability to hold the hose securely. Replacing an old or damaged clamp with a Genuine Porsche OE 32–50 mm hose clamp helps maintain proper hose sealing and reduces the risk of coolant leaks, pressure loss or overheating. It is good practice to replace hose clamps when removing or replacing coolant hoses.
When to Replace This Part
• If the original clamp is corroded, rusty or seized
• If coolant is leaking from a hose connection
• If the clamp no longer tightens securely
• During radiator hose or coolant hose replacement
• During radiator, water pump, thermostat or coolant pipe repairs
• If the hose has been removed and the clamp is no longer reusable
• When replacing non-original or incorrectly sized clamps
• During cooling system overhaul or preventative maintenance.
Where It Fits on the Car
This clamp fits in the engine cooling system, securing coolant/radiator hoses to pipes, radiator connections or related cooling system fittings.
It may be used on upper, lower, inlet, outlet or water hose connections depending on model and cooling system layout. Exact position and quantity should be confirmed using the vehicle parts diagram.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99951249900
The product you are viewing cross references to these numbers
Genuine Porsche OE water radiator hose clamp, 32–50 mm, for Porsche 986 Boxster and 996 Carrera models. This original Porsche hose clamp is used in the engine cooling system to secure radiator and coolant hoses, helping maintain a tight, reliable connection between cooling system components.
Sold individually,
Fits:
Porsche 986 Boxster 2.5L / 2.7L / S 3.2L 1997 - 2004
Porsche 996 C2 / C4 / C4S 1998 - 2005
Diagram Ref No 10
Part number 99951249900 is a Genuine Porsche water radiator hose clamp, also listed as 999-512-499-00. It is a factory-style clamp with a 32–50 mm clamping range, used on selected Porsche coolant hose and radiator hose connections.
What This Part Does / Functions
• Secures radiator and coolant hoses to pipe connections
• Helps maintain a tight seal in the cooling system
• Prevents coolant hose movement or disconnection under pressure
• Helps reduce the risk of coolant leaks at hose joints
• Maintains correct clamping force around the hose connection
• Supports reliable coolant flow and cooling system pressure
• Provides OE Porsche fitment for factory hose sizes and routing
• Replaces corroded, weakened, damaged or incorrect hose clamps.
Why Replace This Part?
Radiator hose clamps are exposed to heat, coolant, moisture, road dirt and repeated expansion/contraction of the hose. Over time, the clamp can corrode, weaken, seize or lose its ability to hold the hose securely. Replacing an old or damaged clamp with a Genuine Porsche OE 32–50 mm hose clamp helps maintain proper hose sealing and reduces the risk of coolant leaks, pressure loss or overheating. It is good practice to replace hose clamps when removing or replacing coolant hoses.
When to Replace This Part
• If the original clamp is corroded, rusty or seized
• If coolant is leaking from a hose connection
• If the clamp no longer tightens securely
• During radiator hose or coolant hose replacement
• During radiator, water pump, thermostat or coolant pipe repairs
• If the hose has been removed and the clamp is no longer reusable
• When replacing non-original or incorrectly sized clamps
• During cooling system overhaul or preventative maintenance.
Where It Fits on the Car
This clamp fits in the engine cooling system, securing coolant/radiator hoses to pipes, radiator connections or related cooling system fittings.
It may be used on upper, lower, inlet, outlet or water hose connections depending on model and cooling system layout. Exact position and quantity should be confirmed using the vehicle parts diagram.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99951249900
99951226802
99951259109
99951261109
99951264109
99951266609
99951267209
N0245073
99951249900
The product you are viewing cross references to these numbers
Price: €12.42
Arriving soon
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Information
Plastic support bracket for front coolant pipes. Sold individually; two required per vehicle.
Includes threaded insert for M6 x 20 bolt (part number 90037817301).
Fits:
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
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Porsche 718 (982) Cayman GT4 2019>>
Porsche 991 Carrera 2012-19
Porsche 991 Turbo / GT2 RS 2014-20
Porsche 991 GT3 / GT3 RS / Speedster 2014-21
Includes threaded insert for M6 x 20 bolt (part number 90037817301).
Fits:
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 981 Cayman 2013-16
Porsche 981 Cayman GT4 2016
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Price: €6.69
Orderable
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Information
Plastic support bracket for front coolant pipes. Sold individually; two required per vehicle.
Includes insert for M6 x 35 bolt (part number 90037814101).
Fits:
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
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Porsche 981 Cayman GT4 2016
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Porsche 718 (982) Cayman GT4 2019>>
Porsche 991 Carrera 2012-19
Porsche 991 Turbo / GT2 RS 2014-20
Porsche 991 GT3 / GT3 RS / Speedster 2014-21
Includes insert for M6 x 35 bolt (part number 90037814101).
Fits:
Porsche 981 Boxster 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 981 Cayman 2013-16
Porsche 981 Cayman GT4 2016
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Porsche 718 (982) Cayman GT4 2019>>
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Porsche 991 Turbo / GT2 RS 2014-20
Porsche 991 GT3 / GT3 RS / Speedster 2014-21
Price: €6.69
Orderable
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Information
Plastic bracket - supports front coolant distributor pipe.
Sold separately; two units needed per vehicle.
Fits:
Porsche 981 Boxster / S 2012-16
Porsche 981 Boxster Spyder 2016
Porsche 981 Cayman / S 2014-16
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Porsche 718 (982) Boxster / S 2017>>
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Porsche 991 Turbo/GT2 RS 2014-20
Porsche 991 GT3/GT3 RS 2014-21
Related reference numbers
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99110641303
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Sold separately; two units needed per vehicle.
Fits:
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Price: €14.60
Orderable