HomeHVAC > A/C Flow RestrictorsGlobal Parts 3411983 A/C Expansion Valve
Part #: 3411983

Global Parts 3411983 A/C Expansion Valve

4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercedes-Benz, S400
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Overview of Global Parts A/C Expansion Valve for Mercedes-Benz S400

The Global Parts A/C Expansion Valve, part number 3411983, is designed specifically for the Mercedes-Benz S400. This component plays a critical role in the vehicle's HVAC system by regulating refrigerant flow to ensure optimal air conditioning performance.

  • Compatible with Mercedes-Benz S400 models
  • Part number 3411983 for precise identification
  • Category: HVAC > A/C Flow Restrictors
  • Type: A/C Expansion Valve
  • Manufactured by Global Parts for reliable fitment

Product Details and Functionality

The A/C expansion valve 3411983 from Global Parts controls the amount of refrigerant entering the evaporator in the Mercedes-Benz S400’s air conditioning system. By adjusting refrigerant flow, it helps maintain the correct pressure and temperature, which is essential for efficient cooling and preventing system damage. This valve is engineered to meet the specifications required by the Mercedes-Benz S400, ensuring compatibility and consistent HVAC performance.

Common Applications and Problem Resolution

This A/C expansion valve is used to address several HVAC issues in the Mercedes-Benz S400, including:

  • Inconsistent cabin cooling or warm air blowing from vents
  • Reduced air conditioning efficiency or slow cooling response
  • Frost buildup on the evaporator due to improper refrigerant flow
  • Unusual noises or pressure fluctuations within the A/C system
  • System shutdowns caused by pressure imbalances

Installation Notes and Tips

When installing the Global Parts A/C expansion valve 3411983 on a Mercedes-Benz S400, ensure the following:

  • System is fully evacuated and free of contaminants before installation
  • Use proper tools to avoid damage to the valve or surrounding components
  • Follow manufacturer torque specifications for mounting hardware
  • Check for leaks and proper refrigerant charge after installation
  • Consult the vehicle’s service manual for detailed HVAC system procedures

Quality Assurance and Warranty Information

Global Parts manufactures the A/C expansion valve 3411983 to meet industry standards for durability and performance. While specific warranty details may vary, this part is produced under quality control processes to ensure reliable operation within the Mercedes-Benz S400 HVAC system. Buyers should verify warranty terms with their supplier or installer.

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2013Mercedes-BenzS4003.5LV6N/A
2012Mercedes-BenzS4003.5LV6N/A
2011Mercedes-BenzS4003.5LV6N/A
2010Mercedes-BenzS4003.5LV6N/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:

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