{"product_id":"four-seasons-39902-a-c-expansion-valve","title":"Four Seasons 39902 A\/C Expansion Valve","description":"\u003ch2\u003eReliable Four Seasons Expansion Valve for Automotive A\/C Systems\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Expansion Valve 39902 is engineered to regulate refrigerant flow in automotive air conditioning systems using R134a refrigerant. Designed with durable aluminum construction and a block-type style, this valve ensures consistent performance and compatibility with various vehicle makes and models requiring precise A\/C flow control.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from lightweight, corrosion-resistant aluminum\u003c\/li\u003e\n\u003cli\u003eCompatible with R134a refrigerant systems\u003c\/li\u003e\n\u003cli\u003eBlock-type expansion valve design for efficient refrigerant metering\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes for secure installation\u003c\/li\u003e\n\u003cli\u003eFemale suction and liquid inlet\/outlet fittings with sealing washer style\u003c\/li\u003e\n\u003cli\u003eThread diameters: No. 12 for suction fittings, No. 6 and No. 8 for liquid fittings\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications\u003c\/li\u003e\n\u003cli\u003eDesigned without a solenoid and does not include a switch\u003c\/li\u003e\n\u003cli\u003eSuperheat rating of -4.0 for optimal system performance\u003c\/li\u003e\n\u003cli\u003eRated for 1.5 tonnage A\/C systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Four Seasons Expansion Valve Product Line\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Expansion Valve product line focuses on delivering reliable A\/C flow restrictors that meet or exceed original equipment manufacturer standards. The 39902 model exemplifies this commitment by providing a block-type expansion valve designed for precise refrigerant control in R134a systems. This product line supports a range of automotive HVAC applications, ensuring compatibility and durability across various vehicle platforms.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Expansion Valve 39902 is crafted from aluminum to resist corrosion and withstand the demands of automotive air conditioning systems. Its block-type design allows for accurate metering of refrigerant, which is critical for maintaining proper superheat and system efficiency. The valve features female fittings on both suction and liquid sides, each equipped with sealing washers to prevent leaks. Thread diameters are standardized at No. 12 for suction fittings and No. 6 and No. 8 for liquid fittings, facilitating straightforward integration into compatible A\/C lines. With two mounting holes, the valve can be securely fastened to the vehicle’s HVAC assembly. This expansion valve is designed without a solenoid and does not include a switch, aligning with specific system requirements. It is rated for 1.5 tonnage systems and supports R134a refrigerant, making it suitable for many mid-sized passenger vehicles.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRegulates refrigerant flow to maintain optimal cooling performance\u003c\/li\u003e\n\u003cli\u003ePrevents compressor damage caused by improper refrigerant metering\u003c\/li\u003e\n\u003cli\u003eReduces A\/C system freeze-ups due to incorrect superheat levels\u003c\/li\u003e\n\u003cli\u003eHelps restore proper air conditioning function in vehicles with OEM valve failures\u003c\/li\u003e\n\u003cli\u003eSupports efficient heat exchange by controlling refrigerant expansion\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with vehicle refrigerant type R134a before installation\u003c\/li\u003e\n\u003cli\u003eVerify thread sizes and fitting genders match existing A\/C lines\u003c\/li\u003e\n\u003cli\u003eUse proper sealing washers to prevent refrigerant leaks at all connections\u003c\/li\u003e\n\u003cli\u003eSecure valve using the two mounting holes to avoid vibration-related issues\u003c\/li\u003e\n\u003cli\u003eCheck system superheat settings after installation to confirm correct operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Expansion Valve 39902 meets or exceeds OEM standards for fit, form, and function. Manufactured with precision aluminum components and tested for durability, this valve is designed to provide reliable service in automotive A\/C systems. While specific warranty details are not provided, Four Seasons products typically adhere to industry quality assurance protocols to ensure customer satisfaction and long-term performance.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":51991317971125,"sku":"BBRN-39902","price":66.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_39902_Fro.jpg?v=1775068370","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-39902-a-c-expansion-valve","provider":"PartCatalog","version":"1.0","type":"link"}