Global Parts 3412047 A/C Expansion Valve

Mercedes-Benz A/C Expansion Valve for Select AMG GT and SL Models

Global Parts 3412047 is an A/C expansion valve for select Mercedes-Benz AMG GT and SL applications. It regulates refrigerant flow before the evaporator so the system can use cooling capacity efficiently. This Global Parts 3412047 replacement is a direct-fit service part for vehicles listed below.

Key Features

• Expansion valve/orifice tube style A/C flow restrictor
• Controls refrigerant flow before the evaporator
• Supports efficient evaporator cooling performance
• Recommended for service replacement during A/C repairs
• Fits select Mercedes-Benz AMG GT and SL models

Detailed Description

Global Parts 3412047 is built for HVAC service on Mercedes-Benz performance vehicles, including AMG GT, AMG GT C, AMG GT R, AMG GT S, AMG GT R Pro, AMG GT Black Series, SL450, SL550, SL63 AMG, SL65 AMG, and SL400 applications. By metering refrigerant before it enters the evaporator, the valve helps the system maintain proper pressure drop and cooling efficiency. This part cross-references Four Seasons 39554 for the same application.

What It Helps Address

• Weak or inconsistent cabin cooling
• Improper refrigerant metering at the evaporator
• A/C performance loss after system service
• Restricted cooling efficiency in the HVAC system
• Service-related replacement needs on Mercedes-Benz AMG GT and SL models

Installation Notes and Tips

Fits 2018-2021 Mercedes-Benz AMG GT, N/A. Fits 2021 Mercedes-Benz AMG GT Black Series, N/A. Fits 2018-2021 Mercedes-Benz AMG GT C, N/A. Fits 2018-2020 Mercedes-Benz AMG GT R, N/A. Fits 2020 Mercedes-Benz AMG GT R Pro, N/A. Fits 2018-2020 Mercedes-Benz AMG GT S, N/A. Fits 2017-2020 Mercedes-Benz SL450, N/A. Fits 2014-2020 Mercedes-Benz SL550, N/A. Fits 2014-2019 Mercedes-Benz SL63 AMG, N/A. Fits 2014-2018 Mercedes-Benz SL65 AMG, N/A. Fits 2015-2016 Mercedes-Benz SL400, N/A. Replace the expansion valve/orifice tube whenever the A/C system is serviced, and verify the refrigerant circuit is clean before reassembly.

Quality Assurance

Global Parts recommends replacing the expansion valve/orifice tube each time the A/C system is serviced to maintain proper refrigerant control and cooling performance.