{"product_id":"four-seasons-38677-a-c-expansion-valve","title":"Four Seasons 38677 A\/C Expansion Valve","description":"\u003ch2\u003eFour Seasons 38677 Expansion Valve Overview\u003c\/h2\u003e\u003cp\u003eFour Seasons 38677 is a block-type A\/C expansion valve for R134A systems, built with an aluminum body and OE-style fitment details. It is specified for 2.0 ton applications and uses female FIO insert O-ring connections for the liquid and suction lines.\u003c\/p\u003e\u003cp\u003eFor drivers searching for an A\/C expansion valve for Honda Civic or similar HVAC service applications, this Four Seasons expansion valve provides the connection layout and refrigerant compatibility needed for proper refrigerant metering. Part number 38677 is also listed under common aftermarket cross references for the same application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\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\u003eFemale FIO insert O-ring inlet and outlet connections\u003c\/li\u003e\n\u003cli\u003e2 mounting holes for block-style HVAC attachment\u003c\/li\u003e\n\u003cli\u003eSuper heat setting: 8.000\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM requirements\u003c\/li\u003e\n\u003cli\u003eStyle without solenoid\u003c\/li\u003e\n\u003cli\u003eFour Seasons 38677 expansion valve for HVAC flow control service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Expansion Valve line focuses on refrigerant flow control at the evaporator, helping regulate how liquid refrigerant enters the A\/C system. This block-type valve is configured with No. 6 and No. 8 liquid-side thread diameters and No. 8 and No. 10 suction-side thread diameters, along with green O-ring sealing points for the specified connections. Four Seasons 38677 is a direct-fit style service part for technicians replacing a worn or restricted valve in an R134A air conditioning system.\u003c\/p\u003e\u003cp\u003eThis part cross-references UAC EX9703C for the same application. It is also associated with Honda Civic A\/C service searches where the correct block-style expansion valve is needed.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWeak cabin cooling caused by restricted refrigerant metering\u003c\/li\u003e\n\u003cli\u003eErratic evaporator performance from a sticking expansion valve\u003c\/li\u003e\n\u003cli\u003eImproper A\/C pressure balance in an R134A system\u003c\/li\u003e\n\u003cli\u003eLeaks at the valve connection points due to worn sealing surfaces\u003c\/li\u003e\n\u003cli\u003eHVAC service needs on a Honda Civic or similar vehicle application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the valve style, line sizes, and refrigerant type before installation. Replace the O-rings with the correct green seals for the specified connections, and inspect the mating surfaces for corrosion or debris before assembly. Confirm the system is evacuated and charged to the vehicle manufacturer’s specifications after service. For Honda Civic A\/C repair work, match the block-type layout and fitting orientation to the original component.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eFour Seasons 38677 is listed as meeting or exceeding OEM requirements, making it a practical OE-style replacement for HVAC repair and maintenance. The Four Seasons Expansion Valve product line is built for accurate refrigerant control and serviceable fitment in R134A air conditioning systems.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":51967375474869,"sku":"BBRN-38677","price":50.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_38677_Fro.jpg?v=1775068169","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-38677-a-c-expansion-valve","provider":"PartCatalog","version":"1.0","type":"link"}