{"product_id":"degowget-heater-a-c-control-switch-q21-6012-for-peterbilt-325-389-direct-fit-plug-and-play","title":"Degowget Heater A\/C Control Switch Q21-6012 for Peterbilt 325-389 — Direct-fit, Plug-and-Play","description":"\u003cp\u003e\u003cstrong\u003eDegowget Q21-6012 is a direct-fit replacement climate control module designed to restore heating and air-conditioning functions on compatible Peterbilt models.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Peterbilt cab is experiencing unresponsive knobs, inconsistent temperature output, or a nonworking HVAC panel, this Degowget control switch offers an affordable OEM-style replacement. Built and tested to meet strict manufacturing standards, the unit targets the specific part number Q21-6012 and the equivalent Q216012, giving professional drivers and fleet technicians a dependable option to get climate controls back in service without replacing larger HVAC components.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Peterbilt models will this control switch fit?\u003c\/h3\u003e\n\u003cp\u003eThe Degowget Q21-6012 is produced to match the fitment profile of many modern Peterbilt cabs. Always confirm the part number on your existing module before ordering to ensure compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon fits: Peterbilt 325, 330, 335, 337, 348, 357, 365, 367, 378, 379, 384, 385, 386, 388, 389.\u003c\/li\u003e\n  \u003cli\u003eModel years include ranges from 2006 through 2024 depending on the chassis—see vehicle specifics.\u003c\/li\u003e\n  \u003cli\u003eDesigned for direct replacement where the original part number is Q21-6012 (also listed as Q216012).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does installation and compatibility work for fleet repair?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for technicians familiar with Peterbilt dash panels; the unit connects using the same mounting points and electrical connector pattern as the original OEM part. No reprogramming is required in most cases, reducing downtime for trucks in service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlug-and-play connector layout matches factory harnesses for compatible years.\u003c\/li\u003e\n  \u003cli\u003eNo special tools or ECU flashes typically needed—swap the panel and test HVAC functions.\u003c\/li\u003e\n  \u003cli\u003eFollow vehicle-specific service manuals for safe dash access and airbag\/disconnect procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat problems can this control panel solve?\u003c\/h3\u003e\n\u003cp\u003eThis replacement panel addresses common HVAC control failures that affect comfort and safety in the cab. By restoring user control over blower speed, temperature and vent selection, it eliminates the need to drive with impaired climate management.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFixes unresponsive knobs and buttons that no longer change settings.\u003c\/li\u003e\n  \u003cli\u003eResolves inconsistent temperature regulation and mode switching issues.\u003c\/li\u003e\n  \u003cli\u003eRestores full manual control of heater and A\/C functions without replacing core HVAC components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat quality assurances and post-purchase support are provided?\u003c\/h3\u003e\n\u003cp\u003eDegowget units are manufactured under controlled processes and undergo testing to meet rigorous quality checks. A one-year warranty and customer support are included to help with fitment questions or potential defects.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuilt to OEM-style specifications and inspected before shipping.\u003c\/li\u003e\n  \u003cli\u003eOne-year limited warranty covers manufacturing defects.\u003c\/li\u003e\n  \u003cli\u003eCustomer service available for fitment help and troubleshooting after purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Degowget Q21-6012 Heater A\/C Control Switch is aimed at fleet mechanics, owner-operators and truck repair shops that need a reliable, cost-effective replacement for faulty climate control panels in Peterbilt vehicles. If you operate one of the compatible model years and your cab’s HVAC knobs, modes or temperature response have failed, this module offers a practical restore option to return comfort and operational control to the driving environment.\u003c\/p\u003e\n\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 unit require programming after installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most installs are plug-and-play and do not need programming; confirm vehicle wiring matches Q21-6012 before replacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What warranty does Degowget provide?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Degowget includes a one-year warranty covering manufacturing defects; contact support for claims or fitment help.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Degowget","offers":[{"title":"Default Title","offer_id":48082101076126,"sku":"B0GHMS6TSB","price":139.23,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/degowget-front-panel.jpg?v=1785810492","url":"https:\/\/northtrailauto.ca\/products\/degowget-heater-a-c-control-switch-q21-6012-for-peterbilt-325-389-direct-fit-plug-and-play","provider":"North Trail Auto","version":"1.0","type":"link"}