{"product_id":"pannuoscs-vapor-canister-vent-valve-for-chevy-silverado-gmc-sierra-2008-2019-911-099-16mm-evap-fit-oe-replacement","title":"PANNUOSCS Vapor Canister Vent Valve for Chevy Silverado GMC Sierra 2008-2019 — 911-099 16mm EVAP Fit, OE Replacement","description":"\u003cp\u003e\u003cstrong\u003ePANNUOSCS Vapor Canister Vent Valve 911-099 is a direct-fit EVAP purge vent valve designed to replace worn or faulty vent valves on 2008–2019 Chevy Silverado and GMC Sierra trucks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis replacement vent valve restores proper evaporative emissions control by matching OEM mounting and electrical connections for seamless swap-in installation. Engineered to meet replacement OE references (911-099, 23103351, CPV149, CVS191, PV896), the part is sized and shaped for Silverado 1500\/2500HD\/3500HD and GMC Sierra 1500\/2500HD\/3500HD models over the 2008–2019 production years. Before ordering, verify the vacuum connector diameter to ensure the correct valve version: the 911-099 \/ P0446 uses a 16mm connector while other codes like 911-237 \/ P0449 are 15mm.\u003c\/p\u003e\n\n\u003ch3\u003eWill this valve fit my Silverado or Sierra?\u003c\/h3\u003e\n\u003cp\u003eIf your truck is a Chevy Silverado or GMC Sierra from 2008 through 2019, this vent valve is listed as compatible with 1500, 2500HD and 3500HD variants. Confirm fit by comparing the OEM part numbers and the vacuum connector diameter between your existing valve and this listing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models: Silverado and Sierra 1500\/2500HD\/3500HD (2008–2019)\u003c\/li\u003e\n  \u003cli\u003eReplacement OE numbers included: 911-099, 23103351, CPV149, CVS191, PV896\u003c\/li\u003e\n  \u003cli\u003eConnector size: 911-099 \/ P0446 = 16mm; double-check before purchase\u003c\/li\u003e\n  \u003cli\u003eCompare images and part numbers to your original valve for best match\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I confirm the correct connector size?\u003c\/h3\u003e\n\u003cp\u003eMeasure the vacuum hose or existing valve inlet to verify diameter before ordering. The correct connector ensures a leak-free seal and reliable EVAP system operation without extra adaptors.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUse calipers or a ruler to measure internal diameter\u003c\/li\u003e\n  \u003cli\u003e911-099 \/ P0446 corresponds to a 16mm vacuum connector\u003c\/li\u003e\n  \u003cli\u003e911-237 \/ P0449 corresponds to a 15mm vacuum connector\u003c\/li\u003e\n  \u003cli\u003eContact seller with photos if you’re unsure about match\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the main benefits of replacing the old vent valve?\u003c\/h3\u003e\n\u003cp\u003eSwapping in a new vent valve helps restore correct EVAP purge control and can prevent drivability or emissions-related codes. A functional valve maintains proper vapor routing and prevents unwanted fuel vapors from entering the atmosphere.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores OEM-level fit and function with compatible mounting and connector\u003c\/li\u003e\n  \u003cli\u003eHelps resolve EVAP-related fault codes when valve failure is the cause\u003c\/li\u003e\n  \u003cli\u003eDurable construction for long service life under under-hood conditions\u003c\/li\u003e\n  \u003cli\u003eComes with 12-month replacement coverage for added confidence\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic vehicle maintenance: unplug the electrical connector, remove mounting fasteners, swap the valve, and reattach vacuum and electrical lines. Always work on a cool engine and verify connections before starting the vehicle.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNo special tools beyond common hand tools and possibly pliers\u003c\/li\u003e\n  \u003cli\u003eDisconnect battery negative if you prefer added electrical safety\u003c\/li\u003e\n  \u003cli\u003eInspect vacuum hose for cracks and replace if worn\u003c\/li\u003e\n  \u003cli\u003eClear any stored trouble codes after installation if necessary\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This PANNUOSCS 911-099 vent valve is intended for owners and mechanics of 2008–2019 Chevy Silverado or GMC Sierra trucks (1500, 2500HD, 3500HD) who need a reliable OE-referenced replacement. It suits do-it-yourselfers seeking a direct-fit part and professional shops needing a stocked, warranted EVAP vent valve that matches common OEM numbers. Confirm your truck’s part number and vacuum connector size before purchase to ensure the correct version.\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: Which models does this vent valve fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits Chevy Silverado and GMC Sierra 1500\/2500HD\/3500HD from 2008–2019; verify with OE numbers listed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I know if I need the 16mm (911-099) version?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Measure the vacuum hose inlet—if internal diameter is 16mm you need the 911-099 \/ P0446 version.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PANNUOSCS","offers":[{"title":"Default Title","offer_id":55168857669975,"sku":"B0BWHKPQ25","price":52.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/pannuoscs-vent-valve-front-view.jpg?v=1790415120","url":"https:\/\/britishgarage.co.uk\/products\/pannuoscs-vapor-canister-vent-valve-for-chevy-silverado-gmc-sierra-2008-2019-911-099-16mm-evap-fit-oe-replacement","provider":"British Garage","version":"1.0","type":"link"}