BOSCH Expansion Valve, Air Conditioning System

Compatible with PORSCHE CAYENNE (9PA) , VW TOUAREG (7LA, 7L6, 7L7) ,
This BOSCH expansion valve is a crucial component for your vehicle's air conditioning system, ensuring optimal performance and cooling efficiency.
29.03 EUR
inc. VAT 21%
In stock 1
Delivery 1 day (23.03.2026)
PN 1986AD5189
Make BOSCH
EAN 4047026930078

The expansion valve, also known as a metering device, plays a vital role in the refrigeration cycle of your car's air conditioning. It controls the flow of refrigerant into the evaporator, precisely regulating the pressure and temperature. This precise control is essential for efficient cooling and preventing damage to other AC components. Crafted by BOSCH, a trusted name in automotive parts, this expansion valve is designed for durability and reliable operation. It is engineered to meet or exceed original equipment specifications, ensuring a proper fit and function within your vehicle's AC system. Replacing a faulty expansion valve can resolve issues such as poor cooling, AC system freezing, or high-pressure warnings. Proper functioning of the expansion valve is key to maintaining a comfortable cabin temperature, especially during hot weather. By ensuring the correct amount of refrigerant enters the evaporator, it allows for maximum heat absorption, leading to effective cooling. This BOSCH part is built to withstand the demanding conditions within an automotive AC system, providing long-lasting service. Regular maintenance and timely replacement of AC components like the expansion valve can prevent more significant and costly repairs down the line. Trust in the quality and engineering of BOSCH to keep your air conditioning system performing at its best.

  • Direct replacement for original equipment
  • Ensures precise refrigerant flow control
  • Optimizes air conditioning system performance
  • Helps maintain consistent cabin temperature
  • Durable construction for long service life
  • Manufactured by BOSCH, a leading automotive supplier
  • Essential for efficient cooling and AC operation
Length [mm]
32,5
Height [mm]
84
Width [mm]
39,5
Intake pipe diameter 1 [mm]
1:3
Inlet pipe diameter 2 [mm]
17,8
Exhaust diameter 1 [mm]
11,8
Exhaust diameter 2 [mm]
18,3
Coolant
R 1234yf
Coolant
R 134a
Additional article/Additional info 2
with sealing ring
  • PORSCHE
    • CAYENNE (9PA)
      • S 4.5 (250kW/340PS)
      • Turbo 4.5 (331kW/450PS)
      • 3.2 (184kW/250PS)
      • Turbo S 4.5 (368kW/500PS)
      • Turbo S 4.5 (383kW/521PS)
      • 3.2 (177kW/241PS)
  • VW
    • TOUAREG (7LA, 7L6, 7L7)
      • 3.2 V6 (162kW/220PS)
      • 5.0 V10 TDI (230kW/313PS)
      • 4.2 V8 (228kW/310PS)
      • 2.5 R5 TDI (128kW/174PS)
      • 3.0 V6 TDI (165kW/225PS)
      • 6.0 W12 (331kW/450PS)
      • 3.6 V6 FSI (206kW/280PS)
      • 4.2 V8 FSI (257kW/350PS)
      • 2.5 R5 TDI (120kW/163PS)
      • 3.0 TDI (155kW/211PS)
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