{"product_id":"dorman-604-101-hvac-blend-door-actuator","title":"Dorman 604-101 HVAC Blend Door Actuator - Lower Main or Main","description":"\u003ch2\u003eOverview of Dorman HVAC Blend Door Actuator 604-101\u003c\/h2\u003e\u003cp\u003eThe Dorman HVAC Blend Door Actuator 604-101 is designed to provide reliable control of the airflow blend doors in your vehicle's heating and cooling system. This actuator features a rotary switch activation type and is constructed from durable plastic to ensure consistent performance in Cadillac, Chevrolet, and GMC models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRotary switch activation for precise airflow control\u003c\/li\u003e\n\u003cli\u003eDurable plastic construction for long-lasting use\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple GM trucks and SUVs\u003c\/li\u003e\n\u003cli\u003eIncludes one actuator per package\u003c\/li\u003e\n\u003cli\u003eOEM-quality replacement part number 604-101\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 604-101 HVAC Blend Door Actuator is engineered to replace faulty or worn actuators in select Cadillac, Chevrolet, and GMC vehicles. Its rotary switch activation type allows for smooth and accurate adjustment of the blend door position, regulating the mix of hot and cold air inside the cabin. Made from high-quality plastic materials, this actuator withstands the thermal and mechanical stresses typical in HVAC systems. It is compatible with a range of models including the Chevrolet Avalanche 1500 and 2500, Silverado 1500, 2500, and 3500 series, GMC Sierra 1500 through 3500 HD, as well as Cadillac Escalade and Escalade EXT, and full-size SUVs like the Suburban, Tahoe, Yukon, and Yukon XL variants.\u003c\/p\u003e\u003ch2\u003eCommon HVAC Issues This Actuator Addresses\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 when adjusting temperature\u003c\/li\u003e\n\u003cli\u003eFailure to switch between heating and cooling modes properly\u003c\/li\u003e\n\u003cli\u003eIntermittent airflow problems related to blend door positioning\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility by verifying make, model, and year 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 behind the dashboard or glove box area as per vehicle service manual\u003c\/li\u003e\n\u003cli\u003eHandle the plastic actuator carefully to avoid damage during installation\u003c\/li\u003e\n\u003cli\u003eTest the HVAC system after installation to confirm proper operation of the blend door\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM specifications, providing dependable performance for your HVAC system. The 604-101 blend door actuator undergoes rigorous quality control to ensure durability and fitment accuracy. This part is backed by Dorman's limited warranty, covering defects in material and workmanship under normal use conditions.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44012153733301,"sku":"BKKY-604-101","price":54.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_604101_Fro_3f9e7016-28ad-4bd0-a999-fd4ed34b0e4f.jpg?v=1775009018","url":"https:\/\/www.partcatalog.com\/products\/dorman-604-101-hvac-blend-door-actuator","provider":"PartCatalog","version":"1.0","type":"link"}