BOSCH Expansion Valve, Air Conditioning System

Compatible with MERCEDES-BENZ R-CLASS (W251, V251) , MERCEDES-BENZ GL-CLASS (X164) , MERCEDES-BENZ M-CLASS (W164) Show more info
Ensures proper refrigerant flow and pressure regulation for your vehicle's air conditioning system. Designed for optimal performance and durability.
38.35 EUR
inc. VAT 21%
In stock 1
Delivery 1 day (23.03.2026)
PN 1986AD5186
Make BOSCH
EAN 4047026930801

This BOSCH expansion valve is a critical component of your vehicle's air conditioning system. It precisely controls the flow of refrigerant into the evaporator, managing the pressure and temperature to ensure efficient cooling. Engineered to meet stringent quality standards, this valve contributes to the longevity and reliable operation of your AC system. Its robust construction is designed to withstand the demanding conditions within automotive air conditioning circuits. Proper functioning of the expansion valve is essential for maintaining a comfortable cabin temperature and preventing damage to other AC components. Replacing a faulty valve with a quality part like this BOSCH unit can restore your system's cooling capacity.

  • Direct replacement for original equipment.
  • Ensures precise refrigerant flow control.
  • Regulates system pressure for optimal cooling.
  • Durable construction for long service life.
  • Designed for efficient air conditioning performance.
  • Helps maintain comfortable cabin temperatures.
  • Part of a reliable AC system.
Length [mm]
32,8
Height [mm]
84
Width [mm]
26
Intake pipe diameter 1 [mm]
8,6
Inlet pipe diameter 2 [mm]
14,6
Exhaust diameter 1 [mm]
11,8
Exhaust diameter 2 [mm]
17,8
Coolant
R 1234yf
Coolant
R 134a
Additional article/Additional info 2
with sealing ring
  • MERCEDES-BENZ
    • R-CLASS (W251, V251)
      • R 350 CDI 4-matic (251.023, 251.123) (195kW/265PS)
      • R 350 CGI 4-matic (251.057, 251.157) (225kW/306PS)
      • R 350 4-matic (251.065, 251.165) (200kW/272PS)
      • R 320 CDI 4-matic (251.022, 251.122) (165kW/224PS)
      • R 280 CDI 4-matic (251.020) (140kW/190PS)
      • R 280 (251.054, 251.154) (170kW/231PS)
      • R 350 (251.056, 251.156) (200kW/272PS)
      • R 500 4-matic (251.072, 251.172) (285kW/388PS)
      • R 280 CDI (251.121, 251.026, 251.126) (140kW/190PS)
      • R 300 CDI (251.021, 251.121, 251.026, 251.126) (140kW/190PS)
      • R 300 CDI 4-matic (251.020) (140kW/190PS)
      • R 350 CDI 4-matic (251.022, 251.122) (165kW/224PS)
      • R 350 CDI 4-matic (251.124, 251.125) (155kW/211PS)
      • R 300 (251.054, 251.154) (170kW/231PS)
      • R 320 CDI 4-matic (251.125) (155kW/211PS)
    • GL-CLASS (X164)
      • GL 350 CDI 4-matic (164.823) (195kW/265PS)
      • GL 450 4-matic (164.871) (250kW/340PS)
      • GL 500 4-matic (164.886) (285kW/388PS)
      • GL 420 CDI 4-matic (164.828) (225kW/306PS)
      • GL 320 CDI 4-matic (164.822) (165kW/224PS)
      • GL 350 CDI 4-matic (164.822) (165kW/224PS)
      • GL 450 CDI 4-matic (164.828) (225kW/306PS)
      • GL 320 CDI / 350 BlueTEC 4-matic (164.824, 164.825) (155kW/211PS)
    • M-CLASS (W164)
      • ML 350 4-matic (164.186) (200kW/272PS)
      • ML 63 AMG 4-matic (164.177) (375kW/510PS)
      • ML 500 4-matic (164.172) (285kW/388PS)
      • ML 350 CDI 4-matic (164.122) (165kW/224PS)
      • ML 350 CDI 4-matic (164.125, 164.124) (155kW/211PS)
      • ML 450 CDI 4-matic (164.128) (225kW/306PS)
      • ML 300 CDI 4-matic (164.121) (150kW/204PS)
      • ML 350 CDI 4-matic (164.125, 164.124) (170kW/231PS)
      • ML 63 AMG 4-matic (164.177) (375kW/510PS)
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