Air Conditioning Receiver Drier. Porsche 958 Cayenne 2011-18

Air Conditioning Receiver Drier.
Ensure your Porsche Cayenne’s air-conditioning system stays reliable and efficient with this receiver-drier. Designed for Cayenne (958 generation, approx. 2011-2018 models), this vital component removes moisture, filters contaminants and supports proper refrigerant flow in your A/C circuit. Perfect for when you’re servicing the A/C system, replacing the condenser or compressor, or diagnosing poor cooling performance.

Fits:

• Porsche 958 Cayenne V6 3.6L Petrol 300Hp 2011-18
• Porsche 958 Cayenne V6 3.0L Diesel 245HP 2011-18
• Porsche 958 Cayenne S V6 3.0L Hybrid 380HP 2011-18
• Porsche 958 Cayenne S V8 4.8L Petrol 400HP 2011-18
• Porsche 958 Cayenne S V8 4.2L Diesel 382HP 2011-18
• Porsche 958 Cayenne GTS V8 4.8L Petrol 400HP 2011-18
• Porsche 958 Cayenne Turbo V8 4.8L Petrol 500HP 2011-18
• Porsche 958 Cayenne Turbo S V8 4.8L Petrol 550HP 2011-18

Diagram Ref No 2

What This Product Does:

• It contains a desiccant (drying agent) that absorbs moisture from the refrigerant circuit. Moisture in the circuit can lead to corrosion, acid formation, freeze‐ups and damage.
• It acts as a filter for contaminants (metal particles, sludge) that may come from system wear or failures, thereby protecting downstream components like the expansion valve or evaporator.
  
• It often serves as a refrigerant reservoir, helping ensure the system has enough refrigerant in the right place to maintain proper pressure and performance.
• Because the A/C system is sealed, when major repairs or system openings occur (e.g., compressor replacement, condenser replacement, major leak repair), the receiver-drier is typically replaced to restore proper moisture removal / filtration.

Signs You May Need Replacement:

• The A/C system exhibits poor cooling performance—longer time to cool the cabin, less cold air than normal.
  
• A/C system vinegar or burnt-electrical smell, or suspected moisture/acid contamination in the system.
  
• A/C system components are being replaced (e.g., condenser, compressor) or the system has been opened—for best practice the drier should also be renewed.
• Visible damage or corrosion on the drier body, or a known leak in that component.
• The vehicle is high-mileage, or has had repeated A/C repairs, which may indicate the original drier’s desiccant capacity has been exhausted.

Why Replacement Matters:

• Protects system integrity: A saturated or contaminated receiver-drier cannot properly remove moisture or filter debris—allowing damage to expensive components (compressor, evaporator, expansion valve).
  
• Maintains cooling efficiency: A properly functioning drier/reservoir helps ensure refrigerant and pressures remain correct, which contributes to optimal cabin cooling and A/C system lifespan.
  
• Prevents further failures: If the drier is left unchanged after a major system repair, moisture/contaminants can damage the compressor or other components causing repeat failures and higher cost.
  
• Peace of mind maintenance: Since the cost of A/C system failure (compressor, evaporator, etc) can be very high, replacing the drier is a relatively low‐cost preventive measure.

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

95857319102

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