{"product_id":"four-seasons-39638-a-c-expansion-valve","title":"Four Seasons 39638 A\/C Expansion Valve","description":"\u003ch2\u003eReliable A\/C Expansion Valve for Acura RDX and TLX\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Expansion Valve 39638 is designed to regulate refrigerant flow in your vehicle's air conditioning system. Engineered for Acura RDX and TLX models, this aluminum block-type valve ensures efficient cooling performance with R134a refrigerant compatibility.\u003c\/p\u003e\u003ch2\u003eKey Features of Four Seasons Expansion Valve 39638\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable aluminum for long-lasting use\u003c\/li\u003e\n\u003cli\u003eCompatible with R134a refrigerant systems\u003c\/li\u003e\n\u003cli\u003eBlock type design with two mounting holes for secure installation\u003c\/li\u003e\n\u003cli\u003eFemale suction and liquid inlet\/outlet fittings with O-ring seals\u003c\/li\u003e\n\u003cli\u003eThread diameters: No. 12 for suction fittings, No. 6 and No. 10 for liquid fittings\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications for reliable performance\u003c\/li\u003e\n\u003cli\u003eDesigned without solenoid and does not include a switch\u003c\/li\u003e\n\u003cli\u003eSuper heat rating of -3.500 for precise temperature control\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 Expansion Valve line by Four Seasons focuses on delivering precise refrigerant flow control components for automotive HVAC systems. This product line emphasizes OEM compatibility and durable materials, such as aluminum, to maintain system efficiency and longevity. The 39638 valve is part of this line, offering a block-type design optimized for Acura RDX and TLX air conditioning systems.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Expansion Valve 39638 is a critical component in the HVAC system of Acura RDX and TLX vehicles. Its aluminum construction provides corrosion resistance and durability under varying operating conditions. The valve features female suction and liquid inlet\/outlet fittings with O-ring seals to ensure leak-free connections. Thread diameters are standardized to No. 12 for suction fittings and No. 6 and No. 10 for liquid fittings, facilitating proper fitment. The block-type design includes two mounting holes for secure attachment. This valve is designed for use with R134a refrigerant and supports a 1.5-ton A\/C system capacity. It operates without a solenoid and does not include a switch, simplifying integration into existing HVAC setups. The super heat rating of -3.500 helps maintain optimal refrigerant temperature and pressure balance.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Expansion Valve\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInconsistent or insufficient cooling performance in Acura RDX and TLX A\/C systems\u003c\/li\u003e\n\u003cli\u003eRefrigerant flow irregularities causing compressor strain or failure\u003c\/li\u003e\n\u003cli\u003eLeaks or poor sealing due to worn or damaged expansion valves\u003c\/li\u003e\n\u003cli\u003eReduced HVAC efficiency from OEM valve wear or malfunction\u003c\/li\u003e\n\u003cli\u003eSystem pressure imbalances affecting overall air conditioning operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with Acura RDX and TLX models before installation\u003c\/li\u003e\n\u003cli\u003eVerify refrigerant type is R134a to match valve specifications\u003c\/li\u003e\n\u003cli\u003eInspect O-ring seals and fittings for damage or wear prior to installation\u003c\/li\u003e\n\u003cli\u003eUse proper torque on mounting holes to avoid valve damage\u003c\/li\u003e\n\u003cli\u003eSystem evacuation and recharge should be performed by a qualified technician\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Expansion Valve 39638 meets or exceeds OEM standards, ensuring reliable performance and durability. Manufactured with precision aluminum materials and designed for exact fitment, this valve supports consistent HVAC operation. Warranty details should be confirmed with the product supplier or manufacturer.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":52117106360501,"sku":"BBRN-39638","price":37.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_39638_Fro.jpg?v=1775161731","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-39638-a-c-expansion-valve","provider":"PartCatalog","version":"1.0","type":"link"}