{"product_id":"dorman-hvac-blend-door-actuator-604-315-direct-fit-for-buick-cadillac-chevrolet-durable-motor-connector","title":"Dorman HVAC Blend Door Actuator 604-315 — Direct-Fit for Buick\/Cadillac\/Chevrolet, Durable Motor \u0026 Connector","description":"\u003cp\u003e\u003cstrong\u003eThe Dorman 604-315 HVAC blend door actuator is a direct-fit replacement actuator designed to restore proper temperature and air-direction control in compatible Buick, Cadillac and Chevrolet vehicles.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle’s HVAC system is failing to blend hot and cold air or won’t switch airflow between vents, a malfunctioning blend door actuator is often the cause. The Dorman 604-315 is engineered to match the original unit’s mounting and electrical interface for specific model years and configurations, offering a straightforward repair when you confirm correct application for your vehicle.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I know this actuator fits my car?\u003c\/h3\u003e\n\u003cp\u003eNot all blend door actuators are interchangeable—many vehicles use several position-specific actuators. Verify fitment by checking the part’s application notes for make, model, year and trim, or use your dealer\/garage tool to enter vehicle details before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with select Buick, Cadillac and Chevrolet models from 2010–2016 (see application list)\u003c\/li\u003e\n  \u003cli\u003eDesigned to match the original mounting points and electrical connector\u003c\/li\u003e\n  \u003cli\u003eConfirm position\/function—blend door vs. mode\/recirculation—before replacing\u003c\/li\u003e\n  \u003cli\u003eWhen unsure, consult a qualified service technician for identification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and durability can I expect from the Dorman 604-315?\u003c\/h3\u003e\n\u003cp\u003eThis actuator is built to meet demanding standards for mechanical and electrical reliability. It undergoes testing to help resist common failure modes like motor burnout and gear wear, delivering longer service life than worn original parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable components to resist wear from repeated cycling\u003c\/li\u003e\n  \u003cli\u003eElectrical design aimed at preventing premature burnout\u003c\/li\u003e\n  \u003cli\u003eQuality control backed by experienced engineers in the United States\u003c\/li\u003e\n  \u003cli\u003eIntended for routine HVAC actuation loads, not for non-standard modifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what should I prepare for?\u003c\/h3\u003e\n\u003cp\u003eInstallation difficulty varies by vehicle and actuator location; some replacements are accessible from under the dash while others require removing trim panels. Because this is a direct replacement with matching electrical connector and mounting points, many technicians and experienced DIYers can complete the swap without modifying the HVAC system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGather basic hand tools and follow vehicle-specific service instructions\u003c\/li\u003e\n  \u003cli\u003eDisconnect battery power before handling electrical connectors\u003c\/li\u003e\n  \u003cli\u003eRecalibration or relearning procedures may be required on some vehicle systems\u003c\/li\u003e\n  \u003cli\u003eIf access is limited, professional installation is recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles commonly use this Dorman part?\u003c\/h3\u003e\n\u003cp\u003eThe 604-315 actuator fits particular trims and years—always verify fitment for your exact vehicle. Common compatible vehicles include several Buick sedans, Cadillac SRX crossovers and Chevrolet Camaros from 2010 through 2016, but application depends on the actuator’s position and HVAC configuration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuick LaCrosse (2010–2013), Allure (2010), Regal (2011–2012), Verano (2012)\u003c\/li\u003e\n  \u003cli\u003eCadillac SRX (2010–2016)\u003c\/li\u003e\n  \u003cli\u003eChevrolet Camaro (2010–2015)\u003c\/li\u003e\n  \u003cli\u003eUse the garage\/fitment tool to confirm trim-specific compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Dorman 604-315 is intended for vehicle owners and technicians who need a position-specific HVAC blend door actuator replacement for compatible Buick, Cadillac and Chevrolet models. Choose this part if you want a direct-fit unit engineered to match original mounting and connectors, prioritize durability, and have confirmed the correct actuator location and function for your vehicle. If you are unsure which HVAC actuator you need, consult the vehicle’s repair manual or a professional mechanic before purchasing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the Dorman 604-315 fit my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check the part’s application notes or enter your make, model and trim in the fitment tool to confirm compatibility for specific years and positions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will I need to reprogram anything after installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Some vehicles may require HVAC calibration or a relearn procedure; follow the vehicle service instructions or consult a technician.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":55167419023703,"sku":"B07DWHH87J","price":46.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/dorman-604-315-front-view.jpg?v=1790386293","url":"https:\/\/britishgarage.co.uk\/products\/dorman-hvac-blend-door-actuator-604-315-direct-fit-for-buick-cadillac-chevrolet-durable-motor-connector","provider":"British Garage","version":"1.0","type":"link"}