{"product_id":"dorman-604-943-hvac-blend-door-actuator","title":"Dorman 604-943 HVAC Blend Door Actuator - Left Main","description":"\u003ch2\u003eOverview of Dorman HVAC Blend Door Actuator 604-943\u003c\/h2\u003e\u003cp\u003eThe Dorman HVAC Blend Door Actuator 604-943 is designed for precise climate control in Lexus RX330, RX350, and RX400h models. This rotary switch actuator ensures smooth operation of your vehicle's HVAC system by regulating airflow and temperature blend doors.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRotary switch activation type for reliable control\u003c\/li\u003e\n\u003cli\u003eFive male blade terminals for secure electrical connections\u003c\/li\u003e\n\u003cli\u003eDurable plastic construction for long-lasting performance\u003c\/li\u003e\n\u003cli\u003eCompatible with Lexus RX330, RX350, and RX400h HVAC systems\u003c\/li\u003e\n\u003cli\u003eIncludes one air door actuator per package\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 604-943 HVAC Blend Door Actuator features a rotary switch activation type, which provides consistent and accurate movement of the blend door within the HVAC system. Equipped with five male blade terminals, this actuator ensures a stable electrical connection, minimizing the risk of intermittent faults. Constructed from durable plastic materials, it withstands the heat and mechanical stress typical in automotive HVAC environments. This actuator is specifically engineered to fit Lexus RX330, RX350, and RX400h models, making it a direct replacement part that maintains factory specifications.\u003c\/p\u003e\u003ch2\u003eCommon HVAC Issues Addressed by This Actuator\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInconsistent cabin temperature due to blend door malfunction\u003c\/li\u003e\n\u003cli\u003eUnresponsive or stuck HVAC blend door controls\u003c\/li\u003e\n\u003cli\u003eUnusual noises from the HVAC system blend door area\u003c\/li\u003e\n\u003cli\u003eFailure of the HVAC system to switch between heat and air conditioning modes\u003c\/li\u003e\n\u003cli\u003eElectrical connection problems causing intermittent HVAC operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility with Lexus RX330, RX350, or RX400h before installation\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery to prevent electrical shorts during replacement\u003c\/li\u003e\n\u003cli\u003eAccess the blend door actuator by removing the appropriate dashboard panels\u003c\/li\u003e\n\u003cli\u003eCarefully disconnect the five male blade terminals before removing the old actuator\u003c\/li\u003e\n\u003cli\u003eVerify proper alignment and secure mounting of the new actuator to avoid operational issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The 604-943 HVAC Blend Door Actuator undergoes rigorous quality control testing to confirm functionality and fitment. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44017240998069,"sku":"BKKY-604-943","price":162.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_604943_Fro.jpg?v=1775009109","url":"https:\/\/www.partcatalog.com\/products\/dorman-604-943-hvac-blend-door-actuator","provider":"PartCatalog","version":"1.0","type":"link"}