{"product_id":"four-seasons-39490-a-c-expansion-valve-front","title":"Four Seasons 39490 A\/C Expansion Valve - Front","description":"\u003ch2\u003eFour Seasons 39490 A\/C Expansion Valve\u003c\/h2\u003e\u003cp\u003eFour Seasons 39490 is a block-type A\/C expansion valve for R134A systems. Built from aluminum and engineered to meet or exceed OEM requirements, it regulates refrigerant flow through the evaporator circuit for stable HVAC performance in the right application.\u003c\/p\u003e\u003cp\u003eFor buyers searching for an A\/C expansion valve for Honda Civic, Toyota Corolla, or similar R134A-equipped vehicles, this Four Seasons Expansion Valve line focuses on accurate refrigerant metering and OE-style fitment details. Part number 39490 is also referenced in aftermarket catalogs under several cross-reference numbers for the same application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFour Seasons Expansion Valve line, part number 39490\u003c\/li\u003e\n\u003cli\u003eBlock-type A\/C expansion valve for R134A refrigerant systems\u003c\/li\u003e\n\u003cli\u003eAluminum construction with aluminum finish\u003c\/li\u003e\n\u003cli\u003eO-ring liquid and suction connections\u003c\/li\u003e\n\u003cli\u003eFemale inlet and outlet fittings\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes\u003c\/li\u003e\n\u003cli\u003eStyle: w\/o solenoid\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications\u003c\/li\u003e\n\u003cli\u003e1-ton rating with -1.000 super heat specification\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThis A\/C expansion valve meters refrigerant into the evaporator based on system demand, helping maintain proper cooling performance and pressure balance. The liquid inlet uses a No. 6 female O-ring connection, the liquid outlet uses a No. 8 female O-ring connection, and the suction side uses No. 12 female O-ring connections. The valve is built for R134A service and is listed as a block type design without a solenoid.\u003c\/p\u003e\u003cp\u003ePart number 39490 is a practical choice for service work on vehicles that require an OE-style expansion valve replacement. It is commonly searched as Four Seasons 39490 expansion valve, A\/C expansion valve 39490, and R134A block type expansion valve for automotive HVAC repair.\u003c\/p\u003e\u003cp\u003eThis part cross-references FEL-PRO 1684 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon HVAC Issues It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWeak or inconsistent cabin cooling\u003c\/li\u003e\n\u003cli\u003eImproper refrigerant metering at the evaporator\u003c\/li\u003e\n\u003cli\u003ePressure imbalance in the A\/C circuit\u003c\/li\u003e\n\u003cli\u003eExpansion valve restriction or wear-related performance loss\u003c\/li\u003e\n\u003cli\u003eService replacement for a leaking or malfunctioning valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify refrigerant type, port style, and fitting sizes before installation. Replace O-rings as required during A\/C service, evacuate the system properly, and recharge to the vehicle manufacturer’s specified refrigerant amount. Confirm the valve orientation and mounting-hole alignment during assembly.\u003c\/p\u003e\u003cp\u003eCompatible With vehicles using a block-type R134A expansion valve configuration, including search queries for Honda Civic and Toyota Corolla A\/C repair applications where this part number is specified.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eFour Seasons 39490 is listed as meeting or exceeding OEM requirements, making it a direct-fit service part for the specified HVAC application. The Four Seasons Expansion Valve line is built for accurate refrigerant control in automotive A\/C systems.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":51967378948277,"sku":"BBRN-39490","price":74.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_39490_Fro.jpg?v=1775068318","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-39490-a-c-expansion-valve-front","provider":"PartCatalog","version":"1.0","type":"link"}