{"product_id":"four-seasons-39489-a-c-expansion-valve","title":"Four Seasons 39489 A\/C Expansion Valve","description":"\u003ch2\u003eFour Seasons 39489 Expansion Valve\u003c\/h2\u003e\u003cp\u003eThe Four Seasons 39489 A\/C expansion valve is a block-type HVAC flow restrictor built for R134A systems. It uses an aluminum body with O-ring suction and liquid connections for a direct-service replacement in automotive air conditioning systems.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFour Seasons Expansion Valve line, part number 39489\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\u003eFemale suction and liquid fittings with O-ring style connections\u003c\/li\u003e\n\u003cli\u003eNo. 10 suction inlet and outlet thread diameter\u003c\/li\u003e\n\u003cli\u003eNo. 8 liquid inlet and outlet thread diameter\u003c\/li\u003e\n\u003cli\u003e2 mounting holes\u003c\/li\u003e\n\u003cli\u003eSuper heat setting: -4.0\u003c\/li\u003e\n\u003cli\u003eStyle: w\/o solenoid\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eFour Seasons 39489 is an OE-style A\/C expansion valve for vehicles using a block-type metering design. It regulates refrigerant flow into the evaporator to help maintain proper system balance in R134A air conditioning systems. This part cross-references UAC EX10473C and OSC 1688 for the same application. For buyers searching for a Four Seasons 39489 expansion valve, this component is a direct-fit service part for select automotive HVAC repairs, including Honda Civic and Toyota Camry applications where this valve design is specified.\u003c\/p\u003e\u003ch2\u003eCommon Repair Symptoms\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWarm air from the vents with the A\/C switched on\u003c\/li\u003e\n\u003cli\u003eErratic evaporator performance or unstable cabin cooling\u003c\/li\u003e\n\u003cli\u003eIncorrect refrigerant metering at the evaporator\u003c\/li\u003e\n\u003cli\u003eRestricted or uneven A\/C system flow\u003c\/li\u003e\n\u003cli\u003eService replacement for a leaking or sticking expansion valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the vehicle uses an R134A, block-type expansion valve with No. 10 suction and No. 8 liquid O-ring fittings before installation. Confirm mounting hole count, fitting style, and system configuration against the original part. Proper evacuation, leak checking, and refrigerant recharge are required after A\/C service. For fitment-based searches, this part is commonly referenced for Honda Civic and Toyota Camry A\/C repair applications, and the Four Seasons 39489 should be matched to the original valve design before replacement.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eFour Seasons lists this expansion valve as meeting or exceeding OEM requirements, making it a technical replacement option for professional HVAC service. The Four Seasons 39489 is built to the stated material, fitting, and refrigerant specifications for consistent A\/C system service.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":51967378849973,"sku":"BBRN-39489","price":95.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_39489_Fro.jpg?v=1775068318","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-39489-a-c-expansion-valve","provider":"PartCatalog","version":"1.0","type":"link"}