BOSCH Expansion Valve, Air Conditioning System

Compatible with MERCEDES-BENZ M-CLASS (W166) , MERCEDES-BENZ GL-CLASS (X166) , MERCEDES-BENZ GLE Coupe (C292) Show more info
This BOSCH expansion valve is designed for your vehicle's air conditioning system. Ensure optimal performance and cooling efficiency.
38.13 EUR
inc. VAT 21%
In stock 2
Delivery 1 day (18.05.2026)
PN 1 986 AD5 167
Make BOSCH
EAN 4047026930603

The expansion valve, also known as a metering device, plays a crucial role in your vehicle's air conditioning system. It controls the flow of refrigerant into the evaporator, regulating the pressure and temperature to ensure efficient cooling. This specific valve from BOSCH is engineered to meet the demanding requirements of modern automotive air conditioning. By precisely metering the refrigerant, it helps maintain the desired cabin temperature and prevents the evaporator from freezing. Proper functioning of the expansion valve is essential for the overall performance and longevity of your AC system. A faulty valve can lead to poor cooling, excessive system pressure, or even component damage. Replacing it with a quality part like this BOSCH valve ensures reliable operation.

  • Direct replacement for original equipment.
  • Ensures precise refrigerant flow control.
  • Maintains optimal air conditioning performance.
  • Helps prevent evaporator freezing.
  • Designed for durability and long service life.
  • Manufactured by BOSCH for quality assurance.
Length [mm]
37
Height [mm]
+85
Width [mm]
28
Intake pipe diameter 1 [mm]
13,8
Inlet pipe diameter 2 [mm]
14,6
Exhaust diameter 1 [mm]
11,8
Exhaust diameter 2 [mm]
18"
Coolant
R 1234yf
Coolant
R 134a
Additional article/Additional info 2
with assembly instructions
  • MERCEDES-BENZ
    • M-CLASS (W166)
      • ML 500 4-matic (166.073) (300kW/408PS)
      • ML 250 CDI / BlueTEC 4-matic (166.004, 166.003) (150kW/204PS)
      • ML 350 BlueTEC 4-matic (166.024, 166.023) (190kW/258PS)
      • ML 350 4-matic (166.057) (225kW/306PS)
      • ML 63 AMG 4-matic (166.074) (410kW/558PS)
      • ML 63 AMG 4-matic (166.074) (386kW/525PS)
      • ML 400 4-matic (166.056) (245kW/333PS)
    • GL-CLASS (X166)
      • GL 400 4-matic (166.856) (245kW/333PS)
      • GL 350 CDI / BlueTec 4-matic (166.823, 166.824) (190kW/258PS)
      • GL 500 4-matic (166.873) (320kW/435PS)
      • GL 63 AMG 4-matic (166.874) (410kW/558PS)
      • GL 63 AMG 4-matic (166.874) (400kW/544PS)
    • GLE Coupe (C292)
      • 350 d 4-matic (292.323, 292.324) (190kW/258PS)
      • 400 4-matic (292.356) (245kW/333PS)
      • 450 AMG 4-matic (292.364) (270kW/367PS)
      • AMG 63 4-matic (292.374) (410kW/557PS)
      • AMG 63 S 4-matic (292.375) (430kW/585PS)
      • 500 4-matic (292.373) (335kW/456PS)
      • AMG 43 4-matic (292.364) (270kW/367PS)
      • AMG 43 4-matic (292.364) (287kW/390PS)
    • GLE (W166)
      • 500 4-matic (166.073) (320kW/435PS)
      • 400 4-matic (166.056) (245kW/333PS)
      • 500 e 4-matic (166.063) (325kW/442PS)
      • AMG 63 4-matic (166.074) (410kW/557PS)
      • AMG 63 S 4-matic (166.075) (430kW/585PS)
      • 250 d (166.006) (150kW/204PS)
      • 250 d 4-matic (166.004) (150kW/204PS)
      • 350 d 4-matic (166.024) (190kW/258PS)
      • 450 AMG 4-matic (166.064) (270kW/367PS)
      • 500 4-matic (166.073) (335kW/456PS)
      • 320 4-matic (166.062) (200kW/272PS)
      • AMG 43 4-matic (166.064) (270kW/367PS)
      • AMG 43 4-matic (166.064) (287kW/390PS)
    • GLS (X166)
      • 350 d 4-matic (166.824) (190kW/258PS)
      • 400 4-matic (166.856) (245kW/333PS)
      • 500 4-matic (166.873) (335kW/456PS)
      • AMG 63 4-matic (166.875) (430kW/585PS)
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