{"product_id":"four-seasons-39554-a-c-expansion-valve","title":"Four Seasons 39554 A\/C Expansion Valve","description":"\u003ch2\u003eMercedes-Benz A\/C Expansion Valve 39554\u003c\/h2\u003e\u003cp\u003eFour Seasons 39554 is a block-type A\/C expansion valve for R134A systems. It is built from aluminum, uses captured O-ring connections, and meets or exceeds OEM requirements for the listed Mercedes-Benz applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: Four Seasons Expansion Valve\u003c\/li\u003e\n\u003cli\u003ePart number: 39554\u003c\/li\u003e\n\u003cli\u003eBlock-type A\/C expansion valve for R134A refrigerant\u003c\/li\u003e\n\u003cli\u003eAluminum construction with aluminum finish\u003c\/li\u003e\n\u003cli\u003eCaptured O-ring liquid and suction connections\u003c\/li\u003e\n\u003cli\u003eFemale inlet and outlet fittings\u003c\/li\u003e\n\u003cli\u003eMounting hole quantity: 2\u003c\/li\u003e\n\u003cli\u003eStyle: w\/o solenoid\u003c\/li\u003e\n\u003cli\u003eSuper heat: -10.5\u003c\/li\u003e\n\u003cli\u003eTonnage: 1.5\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Expansion Valve line is built for precise refrigerant metering in automotive HVAC systems. This Four Seasons 39554 expansion valve uses a block-style design with female O-ring ports for the liquid and suction sides, making it a direct service part for select Mercedes-Benz AMG GT and SL-Class models. It is specified for R134A systems and is listed as a no-solenoid design.\u003c\/p\u003e\u003cp\u003eCross-reference part numbers for the same application include 217554 and 759764. This part number 39554 is also associated with Mercedes-Benz AMG GT, AMG GT C, AMG GT R, AMG GT 63, SL550, and related applications listed below.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2018-2021 Mercedes-Benz AMG GT, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2021 Mercedes-Benz AMG GT Black Series, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2018-2021 Mercedes-Benz AMG GT C, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2018-2021 Mercedes-Benz AMG GT R, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2019-2020 Mercedes-Benz AMG GT 53, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2019-2020 Mercedes-Benz AMG GT 63, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2019-2020 Mercedes-Benz AMG GT 63 S, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2020 Mercedes-Benz AMG GT R Pro, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2018-2020 Mercedes-Benz AMG GT S, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2017-2020 Mercedes-Benz SL450, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2013-2020 Mercedes-Benz SL550, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2013-2019 Mercedes-Benz SL500, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2013-2019 Mercedes-Benz SL63 AMG, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2013-2019 Mercedes-Benz SL65 AMG, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2015-2016 Mercedes-Benz SL400, N\/A\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Repair Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores refrigerant flow control in a Mercedes-Benz A\/C system\u003c\/li\u003e\n\u003cli\u003eAddresses weak or inconsistent cabin cooling\u003c\/li\u003e\n\u003cli\u003eHelps correct improper evaporator feed from a worn expansion valve\u003c\/li\u003e\n\u003cli\u003eSupports repair of A\/C performance issues tied to metering problems\u003c\/li\u003e\n\u003cli\u003eReplaces a leaking or restricted block-type expansion valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the vehicle uses an R134A system and confirm the port style, mounting points, and line sizes before installation. This valve uses captured O-ring liquid and suction connections with No. 8 and No. 12 thread diameters as listed in the product data. Always inspect the A\/C system for contamination, replace damaged seals as needed, and evacuate and recharge the system to the correct specification after service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eFour Seasons lists this expansion valve as meeting or exceeding OEM requirements for the covered applications. The part is engineered for direct replacement service in the specified Mercedes-Benz models, including AMG GT and SL-Class vehicles.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":44599755767989,"sku":"BBRN-39554","price":30.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_39554_Fro.jpg?v=1775068336","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-39554-a-c-expansion-valve","provider":"PartCatalog","version":"1.0","type":"link"}