{"product_id":"pannuoscs-vapor-canister-vent-valve-p0446-cvs191-for-chevy-silverado-gmc-sierra-2008-2019-direct-fit-evap-solenoid-16mm-conne","title":"PANNUOSCS Vapor Canister Vent Valve P0446\/CVS191 for Chevy Silverado \u0026 GMC Sierra 2008-2019 — Direct-Fit EVAP Solenoid, 16mm Conne","description":"\u003cp\u003e\u003cstrong\u003ePANNUOSCS Vapor Canister Vent Valve (P0446\/CVS191) is a direct-fit EVAP vent solenoid designed to restore proper fuel vapor routing on compatible Chevy Silverado and GMC Sierra trucks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis vent valve\/solenoid controls the flow of fuel vapors from the charcoal canister to the EVAP system, helping eliminate check-engine codes related to P0446-style faults when the original unit fails. It’s offered as a replacement for OE numbers including 911-099, 23103351, CPV149, CVS191, and PV896. Before ordering, compare OE references and connector dimensions to ensure the valve matches your truck’s configuration.\u003c\/p\u003e\n\n\u003ch3\u003eWill this valve fit my Silverado or Sierra?\u003c\/h3\u003e\n\u003cp\u003eCompatibility covers many model years and heavy-duty trims, but fitment depends on the exact OE number and connector size. Confirm your vehicle’s model year and compare the part numbers listed to your existing valve now to avoid returns.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models: Chevrolet Silverado 1500\/2500HD\/3500HD (2008–2019) and GMC Sierra 1500\/2500HD\/3500HD (2008–2019)\u003c\/li\u003e\n  \u003cli\u003eReplacement OE: 911-099, 23103351, CPV149, CVS191, PV896\u003c\/li\u003e\n  \u003cli\u003eConnector size: 911-099 \/ P0446 = 16mm; 911-237 \/ P0449 = 15mm — verify before purchase\u003c\/li\u003e\n  \u003cli\u003eCompare images and OE numbers supplied in listing to your existing part\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this vent solenoid help fix a P0446 code?\u003c\/h3\u003e\n\u003cp\u003eThe valve re-establishes proper venting between the charcoal canister and the EVAP control system so the vehicle’s diagnostics can perform leak detection and purge functions correctly. Installing a functional vent valve commonly eliminates P0446-related trouble codes when the original solenoid is stuck or leaking.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores controlled venting of fuel vapors to the EVAP system\u003c\/li\u003e\n  \u003cli\u003eAllows onboard diagnostics to complete leak checks and purge cycles\u003c\/li\u003e\n  \u003cli\u003eHelps prevent vapor escape that can trigger check-engine lights\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before installation?\u003c\/h3\u003e\n\u003cp\u003eVerify the vacuum connector diameter and OE reference numbers; mismatched connectors or incorrect part numbers are the most common causes of fitment issues. Also inspect mounting points, the electrical connector shape, and surrounding vacuum hoses for compatibility.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeasure vacuum port diameter (15mm vs 16mm) to match P0449\/P0446 variants\u003c\/li\u003e\n  \u003cli\u003eConfirm electrical plug alignment and clip locations\u003c\/li\u003e\n  \u003cli\u003eInspect mounting tabs and bracket clearance in the engine bay\u003c\/li\u003e\n  \u003cli\u003eReplace any brittle vacuum lines during installation for best results\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty or support comes with the part?\u003c\/h3\u003e\n\u003cp\u003ePANNUOSCS provides a 12-month free replacement policy for this EVAP purge solenoid valve, and customer support is available if you need help determining fitment or troubleshooting after installation. Keep the purchase information handy for warranty claims.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e12-month free replacement coverage\u003c\/li\u003e\n  \u003cli\u003eCustomer support via the seller’s messaging channel\u003c\/li\u003e\n  \u003cli\u003eReturn assistance and guidance for fitment confirmation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This PANNUOSCS P0446 vent valve is aimed at owners and technicians of Chevrolet Silverado and GMC Sierra trucks (2008–2019) who need a reliable direct-replacement EVAP vent solenoid. It’s suited for do-it-yourself mechanics, independent repair shops, and fleet maintenance teams that require a correct-fit component with clear OE cross-references and a vendor-backed replacement policy. Before ordering, ensure your truck’s OE number and vacuum connector size match the listing to guarantee a smooth installation.\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 valve fit a 2010 Chevy Silverado 1500?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, commonly compatible with 2008–2019 Silverado 1500 models—verify your OE number and connector size first.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What if my connector is 15mm instead of 16mm?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your vacuum port is 15mm (P0449), this 16mm (P0446) valve won’t fit; choose the matching size to ensure proper installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PANNUOSCS","offers":[{"title":"Default Title","offer_id":48086709633182,"sku":"B0BWHKPQ25","price":60.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/pannuoscs-vent-valve-front.jpg?v=1785902487","url":"https:\/\/northtrailauto.ca\/products\/pannuoscs-vapor-canister-vent-valve-p0446-cvs191-for-chevy-silverado-gmc-sierra-2008-2019-direct-fit-evap-solenoid-16mm-conne","provider":"North Trail Auto","version":"1.0","type":"link"}