{"product_id":"four-seasons-39579-a-c-expansion-valve","title":"Four Seasons 39579 A\/C Expansion Valve - Front","description":"\u003ch2\u003eFour Seasons 39579 Expansion Valve Overview\u003c\/h2\u003e\u003cp\u003eThe Four Seasons 39579 expansion valve is a block-type A\/C flow restrictor built for R134A systems and engineered for precise refrigerant control. It is a direct-fit style replacement for select Honda Pilot and Honda Ridgeline applications, including front HVAC service on the 2016-2017 Honda Pilot.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFour Seasons Expansion Valve, part number 39579\u003c\/li\u003e\n\u003cli\u003eBlock-type design for R134A air conditioning systems\u003c\/li\u003e\n\u003cli\u003eAluminum construction with aluminum finish\u003c\/li\u003e\n\u003cli\u003eFemale suction and liquid connections with O-ring sealing surfaces\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes for OE-style installation\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications\u003c\/li\u003e\n\u003cli\u003e1.5 tonnage rating\u003c\/li\u003e\n\u003cli\u003eW\/o solenoid style\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eFour Seasons 39579 is an A\/C expansion valve designed to regulate refrigerant flow into the evaporator so the system can maintain proper cooling performance. This valve uses female inlet and outlet connections, including No. 10 suction fittings and No. 5 \/ No. 6 liquid fittings, with O-ring and sealing washer interfaces for serviceable sealing. The super heat specification is -4.50, and the valve is configured for R134A refrigerant applications. For shoppers searching for a Honda Pilot expansion valve or Honda Ridgeline A\/C expansion valve, this part number 39579 is a direct reference to the correct HVAC flow control component.\u003c\/p\u003e\u003cp\u003eThis part cross-references UAC EX10670C for the same application.\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2018-2020 Honda Pilot, N\/A, Expansion Valve\u003c\/li\u003e\n\u003cli\u003eFits 2017-2019 Honda Ridgeline, N\/A, Expansion Valve\u003c\/li\u003e\n\u003cli\u003eFits 2016-2017 Honda Pilot, Front, Expansion Valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Repair Symptoms\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInconsistent cabin cooling or weak vent temperatures\u003c\/li\u003e\n\u003cli\u003eImproper refrigerant metering through the evaporator circuit\u003c\/li\u003e\n\u003cli\u003eA\/C performance issues after compressor or system service\u003c\/li\u003e\n\u003cli\u003eRestricted or unstable refrigerant flow in the HVAC system\u003c\/li\u003e\n\u003cli\u003eNeed for a direct replacement expansion valve on Honda Pilot or Honda Ridgeline models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the vehicle’s refrigerant system configuration before installation and match the suction and liquid fitting sizes to the original component. Replace worn sealing washers or O-rings during service, evacuate and recharge the system to the correct specification, and confirm proper operation after installation. For fitment-based searches, this Four Seasons 39579 expansion valve is listed for 2018-2020 Honda Pilot, 2017-2019 Honda Ridgeline, and 2016-2017 Honda Pilot front HVAC applications.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eFour Seasons lists this expansion valve as meeting or exceeding OEM requirements, supporting OE-style fit and function for the specified Honda Pilot and Honda Ridgeline applications.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":44599765926069,"sku":"BBRN-39579","price":30.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_39579_Fro.jpg?v=1775068343","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-39579-a-c-expansion-valve","provider":"PartCatalog","version":"1.0","type":"link"}