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Water radiator hose, Intake Top, LEFT or RIGHT. Porsche 996 Carrera 4S / 996 Turbo ❭ 99610662179
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
Genuine Porsche Upper radiator coolant hose - part of the core engine cooling system that moves radiator coolant effectively between components.
Sold each, Fits left or right side.
Fits:
Porsche 996 C4S 2002 - 2005
Porsche 996 Turbo 2001 - 2005
This product supersedes Porsche's old part numbers: 99610662174, 99610662178
Diagram Ref No 11.
The radiator coolant hose plays a vital role in the engine cooling system by transporting hot coolant from the engine to the radiator and returning cooled coolant back to the engine. This circulation helps regulate operating temperature, ensuring the engine stays within its optimal thermal range and preventing overheating during normal driving conditions.
Installed as part of the upper radiator hose system, the 99610662179:
• Transfers coolant between the radiator and engine cooling passages
• Helps maintain proper engine temperature control
• Supports consistent engine performance and longevity
• Uses durable rubber and reinforcement to withstand high heat, pressure, and vibration.
Replace this hose if you notice:
• Coolant leaks or wetness around the hose ends
• Cracks, bulges, or soft spots in the hose material
• Overheating or fluctuating engine temperatures
• During a cooling system overhaul or replacement of related hardware
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610662179
The product you are viewing cross references to these numbers
- Porsche 991.1 R 4.0L (500 Bhp) 2016
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16

Fits:
Porsche 991.1 GT3 / GT3 RS / R 2014-18
*Please be advised, this part is only compatible with first generation GT3 / GT3 RS models. If you have a second generation GT3 or GT3 RS, or a 991 GT3 Touring or Speedster, you must order 99110664991 and/or (LEFT) 99110664891 (RIGHT).
Click 'Zoom in' for large parts diagram.
Diagram ref no 6 and 7
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.1 R 4.0L (500 Bhp) 2016
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
Fits:
Porsche 991 Turbo / S 2014-20 - Excludes GT2 RS
Porsche 991-1 GT3 / RS 2014-17
Diagram ref. 10.
NOTE: Our product image shows 99110663201, which is for the right-side radiator.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99110663
The product you are viewing cross references to these numbers
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.1 R 4.0L (500 Bhp) 2016
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
- Porsche 991.2 GT3 4.0L (500 Bhp) / GT3 RS 4.0L (520 Bhp) 2017-19
Fits:
Porsche 991 Turbo / S 2014-20 - Excludes GT2 RS models
Porsche 991-1 GT3 / RS 2014-17
Diagram ref. 20.
NOTE: Our product image shows 99110686501, which is for the left side.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99110686
The product you are viewing cross references to these numbers
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