HomeHVAC > A/C Flow RestrictorsURO 1638300084 A/C Expansion Valve
Part #: 1638300084

URO 1638300084 A/C Expansion Valve

20 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercedes-Benz, ML320, ML350, ML430, ML500, and ML55 AMG
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Reliable A/C Expansion Valve for Mercedes-Benz ML Series

The URO A/C Expansion Valve with part number 1638300084 is designed specifically for select Mercedes-Benz ML models. This component plays a critical role in regulating refrigerant flow within the air conditioning system, ensuring optimal cooling performance for vehicles like the ML55 AMG, ML320, ML350, ML430, and ML500.

  • Direct replacement A/C expansion valve for Mercedes-Benz ML55 AMG, ML320, ML350, ML430, and ML500
  • Part number 1638300084 ensures precise fit and function
  • Controls refrigerant flow to maintain efficient air conditioning operation
  • Compatible with original equipment specifications
  • Manufactured by URO, a trusted brand in automotive HVAC components

Product Details and Functionality

The URO A/C Expansion Valve 1638300084 is engineered to regulate the flow of refrigerant entering the evaporator in the vehicle’s HVAC system. By controlling this flow, the valve maintains the correct pressure and temperature balance, which is essential for effective air conditioning. This part is compatible with multiple Mercedes-Benz ML models, including the ML55 AMG, ML320, ML350, ML430, and ML500, making it a suitable replacement for vehicles within this range. The valve meets OEM standards to ensure reliable performance and durability under typical operating conditions.

Common Applications and Problem Resolution

  • Restores proper refrigerant flow in the A/C system
  • Resolves issues with inconsistent cabin cooling
  • Addresses symptoms of A/C system freezing or overheating
  • Eliminates abnormal pressure fluctuations in the HVAC system
  • Prevents compressor damage caused by improper refrigerant regulation

Installation Notes and Tips

When installing the URO A/C Expansion Valve 1638300084, ensure the vehicle is properly depressurized and the A/C system is evacuated before removal of the old valve. Verify compatibility with the specific Mercedes-Benz ML model to avoid fitment issues. It is recommended to replace the receiver/drier and inspect the entire HVAC system for leaks or damage during installation. Proper torque specifications should be followed to prevent leaks and ensure system integrity.

Quality Assurance and Warranty

URO manufactures this A/C expansion valve to meet or exceed OEM quality standards. While specific warranty details are not provided, URO products typically undergo rigorous testing to ensure durability and reliable performance in automotive HVAC applications. Using this part helps maintain the efficiency and longevity of the vehicle’s air conditioning system.

This part fits 20 vehicles. Search below:

YearMakeModelPositionNotes
2005Mercedes-BenzML350N/A
2005Mercedes-BenzML500N/A
2004Mercedes-BenzML350N/A
2004Mercedes-BenzML500N/A
2003Mercedes-BenzML320N/A
2003Mercedes-BenzML350N/A
2003Mercedes-BenzML500N/A
2003Mercedes-BenzML55 AMGN/A
2002Mercedes-BenzML320N/A
2002Mercedes-BenzML500N/A
2002Mercedes-BenzML55 AMGN/A
2001Mercedes-BenzML320N/A
2001Mercedes-BenzML430N/A
2001Mercedes-BenzML55 AMGN/A
2000Mercedes-BenzML320N/A
2000Mercedes-BenzML430N/A
2000Mercedes-BenzML55 AMGN/A
1999Mercedes-BenzML320N/A
1999Mercedes-BenzML430N/A
1998Mercedes-BenzML320N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

163 830 00841638300084653 33034 039ACX0251PURO-001458V30-77-0138

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.