{"product_id":"aa-ignition-hvac-blend-door-actuator-for-chevy-gmc-cadillac-hummer-2003-2014-direct-fit-upgraded-durability","title":"AA Ignition HVAC Blend Door Actuator for Chevy GMC Cadillac Hummer 2003-2014 - Direct-Fit, Upgraded Durability","description":"\u003cp\u003e\u003cstrong\u003eAA Ignition's HVAC air blend door actuator is a direct-fit replacement for factory mode\/air door actuators (replaces 15-73952, 52495593, 89018374, 604-112) used on many Chevrolet, GMC, Cadillac and Hummer models from 2003–2014.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle is blowing air from the wrong vents, making clicking noises in the dash, or failing to change temperature mix, a failed blend\/mode door actuator is a common cause. This aftermarket actuator is engineered to mate with the OE mounting points and electrical connector so you can restore proper vent selection and temperature blending without paying dealer prices.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this actuator improve HVAC performance in my truck or SUV?\u003c\/h3\u003e\n\u003cp\u003eReplacing a worn or damaged actuator returns control of air distribution and temperature blending to the HVAC system. The AA Ignition unit uses a reinforced housing and upgraded internal electronics to better resist heat, vibration, and corrosion that often fail older actuators.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores correct vent selection: dash, floor, defrost\u003c\/li\u003e\n  \u003cli\u003eStops intermittent or continuous clicking from the dash\u003c\/li\u003e\n  \u003cli\u003eImproves temperature blend accuracy between hot and cold air\u003c\/li\u003e\n  \u003cli\u003eDirect-fit connector and mounting for easier swap-out\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and part numbers does this unit replace?\u003c\/h3\u003e\n\u003cp\u003eThis actuator is designed as a compatible replacement for multiple factory part numbers and fits a broad range of GM trucks and SUVs. It replaces 15-73952, 52495593, 89018374, 604-112 and fits many model years commonly affected by actuator failure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevrolet Silverado, Tahoe, Avalanche — selected 2003–2013\/2014 years\u003c\/li\u003e\n  \u003cli\u003eGMC Sierra, Yukon, Yukon XL — compatible 2003–2013 models\u003c\/li\u003e\n  \u003cli\u003eCadillac Escalade and Hummer H2 — coverage for listed years\u003c\/li\u003e\n  \u003cli\u003eMatches factory mounting, wiring harness, and function for listed vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes this AA Ignition actuator different from the original part?\u003c\/h3\u003e\n\u003cp\u003eThe AA Ignition actuator improves on common failure points found in many OEM units by using a sturdier housing and a more resilient circuit board. These upgrades reduce the risk of premature failure due to heat cycling, moisture, and dashboard vibration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRedesigned housing for improved mechanical durability\u003c\/li\u003e\n  \u003cli\u003eUpgraded internal circuit board for heat and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eTested to operate with factory HVAC controls and feedback\u003c\/li\u003e\n  \u003cli\u003eBacked by a lifetime warranty for added ownership confidence\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what should I expect?\u003c\/h3\u003e\n\u003cp\u003eInstallation is typically a straightforward DIY job for anyone with basic hand tools and a moderate level of auto repair experience. Many owners can access and replace the actuator from behind the dash or under the glove box; exact steps vary by model.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect electrical connector matches factory harness—no splicing\u003c\/li\u003e\n  \u003cli\u003eStandard screw or bolt mounting—use existing fasteners\u003c\/li\u003e\n  \u003cli\u003eExpect 30–90 minutes depending on vehicle and access\u003c\/li\u003e\n  \u003cli\u003eRefer to service manual or online guides for model-specific instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This AA Ignition HVAC air blend door actuator is intended for owners of compatible Chevrolet, GMC, Cadillac and Hummer vehicles (2003–2014 model years) who need a reliable, cost-effective replacement for a failing mode or blend door actuator. It’s ideal for DIY mechanics, independent shops, and fleet maintenance teams who want a direct-fit aftermarket part with enhanced durability and a lifetime warranty to avoid repeated replacements.\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 this actuator directly replace OEM part 15-73952?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This AA Ignition actuator is a direct-fit replacement for part number 15-73952 and several other OEM numbers listed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is there a warranty if the actuator fails?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The actuator includes a lifetime warranty—contact AA Ignition for warranty replacement details.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AA Ignition","offers":[{"title":"Default Title","offer_id":48086080520350,"sku":"B073ZWLF2S","price":47.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/aa-ignition-front-view-actuator_4fd3a6df-68d2-472e-9d09-2d697bd95e95.jpg?v=1785883694","url":"https:\/\/northtrailauto.ca\/products\/aa-ignition-hvac-blend-door-actuator-for-chevy-gmc-cadillac-hummer-2003-2014-direct-fit-upgraded-durability","provider":"North Trail Auto","version":"1.0","type":"link"}