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URO 1638300084 A/C Expansion Valve
| Brand | URO 1638300084 |
|---|---|
| Fits | Mercedes-Benz · 20 vehicles |
OE valve dimensions. Proper clearance and easy installation during system service.
Extreme pressure design. Built for refrigerant pressure and wide A/C operating temperatures.
Restores A/C function. Replaces a failed expansion valve to bring back proper air conditioning.
Cross-references URO 1638300084, 163 830 0084 and 653 33034 039 for the same application. See all 6.
Mercedes-Benz ML-Class A/C Expansion Valve
This URO A/C expansion valve restores refrigerant metering in the HVAC system when the original valve fails. It is built to OE valve dimensions for proper clearance and straightforward installation on select Mercedes-Benz ML-Class applications.
- Fits 1998-2003 Mercedes-Benz ML320, N/A
- Fits 1999-2001 Mercedes-Benz ML430, N/A
- Fits 2000-2003 Mercedes-Benz ML55 AMG, N/A
- Fits 2002-2005 Mercedes-Benz ML500, N/A
- Fits 2003-2005 Mercedes-Benz ML350, N/A
- Manufactured to OE valve dimensions for correct fitment
- Built for high refrigerant pressure and a wide operating temperature range
- URO part number 1638300084 for Mercedes-Benz ML320, ML430, ML55 AMG, ML500, and ML350 applications
How It Works
The expansion valve regulates refrigerant flow into the evaporator so the A/C system can maintain proper cooling performance. When the valve sticks, leaks, or becomes restricted, cabin air temperature control can suffer. Replacing the failed valve during A/C service helps restore normal system operation on Mercedes-Benz ML320, ML430, ML55 AMG, ML500, and ML350 models.
This part cross-references ACX0251P and V30-77-0138 for the same application.
Common Problems It Can Address
- Weak or inconsistent A/C cooling
- Incorrect refrigerant metering at the evaporator
- System performance loss after expansion valve failure
- Restricted refrigerant flow during HVAC operation
- Fitment issues when replacing an OE-style Mercedes-Benz valve
Installation Notes
Replace the expansion valve during A/C system service and verify the system is properly evacuated and recharged after installation. Confirm the OE valve dimensions and vehicle application before assembly. Part number 1638300084 is listed for select Mercedes-Benz ML-Class vehicles only.
Quality Assurance
URO backs this expansion valve with a 24-month unlimited mileage warranty. It is manufactured using high-quality materials and built to meet the demands of automotive A/C pressure and temperature cycling.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Mercedes-Benz | ML350 | N/A | — |
| 2005 | Mercedes-Benz | ML500 | N/A | — |
| 2004 | Mercedes-Benz | ML350 | N/A | — |
| 2004 | Mercedes-Benz | ML500 | N/A | — |
| 2003 | Mercedes-Benz | ML320 | N/A | — |
| 2003 | Mercedes-Benz | ML350 | N/A | — |
| 2003 | Mercedes-Benz | ML500 | N/A | — |
| 2003 | Mercedes-Benz | ML55 AMG | N/A | — |
| 2002 | Mercedes-Benz | ML320 | N/A | — |
| 2002 | Mercedes-Benz | ML500 | N/A | — |
| 2002 | Mercedes-Benz | ML55 AMG | N/A | — |
| 2001 | Mercedes-Benz | ML320 | N/A | — |
| 2001 | Mercedes-Benz | ML430 | N/A | — |
| 2001 | Mercedes-Benz | ML55 AMG | N/A | — |
| 2000 | Mercedes-Benz | ML320 | N/A | — |
| 2000 | Mercedes-Benz | ML430 | N/A | — |
| 2000 | Mercedes-Benz | ML55 AMG | N/A | — |
| 1999 | Mercedes-Benz | ML320 | N/A | — |
| 1999 | Mercedes-Benz | ML430 | N/A | — |
| 1998 | Mercedes-Benz | ML320 | N/A | — |
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