Air Conditioning O-ring 7.0 x 1.9 N. Porsche 981 / 982 / 991  ❭  99970766040

Air Conditioning O-ring 7.0 x 1.9 N.
The OE MATCH Air Conditioning O-Ring is a precision sealing ring designed for use at compatible connections within the vehicle's air conditioning system. Measuring 7.0 x 1.9 mm, it creates a secure seal between mating A/C components, helping prevent refrigerant and lubricant from escaping from the system.

Fits:

• Porsche Boxster 981 2.7L 2012-16
• Porsche Boxster 981 S / GTS 3.4L 2012-16
• Porsche Boxster 981 Spyder 3.8L 2016
• Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
• Porsche Boxster 718 2.0L PDK (300 Bhp) 2017>>
• Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
• Porsche Boxster S 718 2.5L PDK (350 Bhp) 05/2017>>
• Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
• Porsche Boxster T 718 2.0L PDK (300 Bhp) 01/2019>>
• Porsche Boxster GTS 718 2.5L Manual (365 Bhp) 05/2017>>
• Porsche Boxster GTS 718 2.5L PDK (365 Bhp) 05/2017>>
• Porsche Boxster GTS 718 4.0L Manual (400 Bhp) 01/2019>>
• Porsche Boxster GTS 718 4.0L PDK (400 Bhp) 01/2019>>
• Porsche Boxster Spyder / Spyder RS 718 4.0L 01/2019>>
• Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
• Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
• Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
• Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
• 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 Carrera 2 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Carrera 2S / GTS 3.0L (420/450 Bhp) 2016-19
• Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Carrera 4S / GTS 3.0L (420/450 Bhp) 2016-19
• Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Cabriolet 2S / GTS 3.0L (420/450 Bhp) 2016-19
• Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Cabriolet 4S / GTS 3.0L (420/450 Bhp) 2016-19
• Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Targa 4S / GTS 3.0L (420/450 Bhp) 2016-19
• 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 GT2 RS 3.8L PDK (700 bhp) 2018-19
• Porsche Cayman 2.7L 981 2013-16
• Porsche Cayman S / GTS 3.4L 981 2013-16
• Porsche Cayman GT4 3.8L 2015-16
• Porsche Cayman 718 2.0L Manual (300 Bhp)
• Porsche Cayman 718 2.0L PDK (300 Bhp)
• Porsche Cayman S 718 2.5L Manual (350 Bhp)
• Porsche Cayman S 718 2.5L PDK (350 Bhp)
• Porsche Cayman T 718 2.0L Manual (300 Bhp)
• Porsche Cayman T 718 2.0L PDK (300 Bhp)
• Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
• Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
• Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
• Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
• Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L  

Diagram Ref No 12

Air conditioning systems operate under pressure and depend on correctly sized, serviceable seals at their connections. Even a small or inexpensive O-ring can be critical to maintaining system integrity and reliable A/C performance.  

What This Product Does:

The A/C O-ring seals the joint between compatible air conditioning pipes, hoses and components.

When the connection is assembled, the O-ring is compressed between the mating surfaces to create a pressure-tight seal. This helps keep refrigerant and circulating compressor lubricant contained within the closed air conditioning circuit.

A correctly functioning O-ring helps:

• Prevent refrigerant leakage
• Maintain A/C system pressure
• Prevent loss of refrigerant oil at the connection
• Keep moisture and contamination out of the system
• Support efficient air conditioning operation
• Maintain a secure seal between connected A/C components

Correct dimensions and material compatibility are especially important in an air conditioning system because the seals are exposed to refrigerant, lubricant, pressure and temperature changes.

Symptoms Of Wear Or Failure:
Over time, an O-ring can deteriorate through age, heat, chemical exposure and repeated temperature and pressure cycles.

Common signs of a leaking or failed air conditioning O-ring include:

• Air conditioning gradually losing cooling performance
• A/C blowing warmer than expected
• Refrigerant charge repeatedly becoming low
• Refrigerant leakage detected around a connection
• Oily residue around an A/C pipe or fitting
• System unable to maintain pressure
• O-ring becoming hard or brittle
• Cracks or splits in the sealing material
• Flattened or permanently compressed O-ring
• Cuts, nicks or deformation after removal

A refrigerant leak can be extremely small and may not always be visually obvious. Proper A/C leak-detection and diagnostic equipment may therefore be required to identify the source accurately.

Why Replacement Matters:
The air conditioning system relies on being sealed and correctly charged to operate effectively. A deteriorated O-ring can allow refrigerant to escape gradually, resulting in reduced cooling performance and eventually preventing the A/C system from operating correctly.

Loss of refrigerant can also be accompanied by loss of compressor lubricant from the affected connection. Maintaining the correct refrigerant and lubricant charge is important for dependable system operation.

Replacing a leaking or damaged O-ring helps restore:

• A secure A/C connectionRefrigerant retention
  
• Correct system pressure
• Reliable cooling performance
• Protection against moisture and contamination entering the system

Addressing a small seal leak promptly can also prevent repeated refrigerant loss and unnecessary recharging of the system.

Related reference numbers
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99970766040

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