{"product_id":"pannuoscs-vapor-canister-vent-valve-for-chevy-silverado-gmc-sierra-cvs191-911-099-23103351","title":"PANNUOSCS Vapor Canister Vent Valve for Chevy Silverado \u0026 GMC Sierra CVS191 \/ 911-099 \/ 23103351","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eMeet the PANNUOSCS vapor canister vent valve, a thoughtful replacement built to support the vapor emission system in select GM full-size pickups. It is compatible with Chevy Silverado and GMC Sierra models from 2007 through 2019, spanning 1500, 2500 and 3500 series. This valve corresponds to OEM style numbers CVS191, 911-099 and 23103351, offering a direct fit when the part numbers align with your vehicle. A 16mm vacuum connector diameter is a key check before ordering to ensure a clean match with your system.\u003c\/p\u003e\u003cp\u003eWhat you may notice after installation can vary by vehicle and driving pattern, but many users report smoother idle behavior, easier starts after refueling, and a more predictable engine response during deceleration and acceleration. This vent valve is designed to work with the vehicle venting and purge cycles, integrating with hoses and mounting points when the parts line up with the OEM references.\u003c\/p\u003e\u003ch3\u003eWhy this matters\u003c\/h3\u003e\u003cp\u003eReplacing a worn or faulty vent valve can help maintain steady engine behavior and keep the vapor loop operating as intended. While results depend on the overall health of the emission system and driving style, a properly matched valve supports consistent venting and purge function, which can contribute to a calmer engine feel under normal driving conditions.\u003c\/p\u003e\u003ch3\u003eKey benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect compatibility with 2007–2019 Silverado and Sierra models, reducing guesswork during replacement\u003c\/li\u003e\n\u003cli\u003eReplicates OEM functions to support proper venting and purge cycles\u003c\/li\u003e\n\u003cli\u003eMay help address symptoms like unstable idle and hard starting after refueling\u003c\/li\u003e\n\u003cli\u003eEngineered to integrate with the factory vacuum routing and hoses\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat to check before purchase\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVacuum connector diameter is 16mm — verify this matches your current inlet before placing an order\u003c\/li\u003e\n\u003cli\u003ePart numbers CVS191, 911-099, 23103351 indicate a replacement option for many GM vehicles\u003c\/li\u003e\n\u003cli\u003eProfessional installation is highly recommended for best results\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eQuality and support\u003c\/h3\u003e\u003cp\u003ePANNUOSCS backs this vent valve with a two-year service window for returns or exchanges. If you have questions, our team replies within 24 hours with a professional, friendly answer to help you decide on the right part for your vehicle.\u003c\/p\u003e\u003ch3\u003eWarranty and usage notes\u003c\/h3\u003e\u003cp\u003eIncluding straightforward compatibility notes and careful fit guidance, this valve is designed to fit common GM configurations while encouraging proper installation practices. Real-world results can vary, so consider this option as a potential improvement to your current vapor system, rather than a guaranteed outcome.\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: What vehicles does this PANNUOSCS vent valve fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits 2007–2019 Chevy Silverado and GMC Sierra 1500\/2500\/3500; compatible with CVS191, 911-099, 23103351.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is professional installation recommended?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, professional installation is highly recommended to ensure proper fit and function.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PANNUOSCS","offers":[{"title":"Default Title","offer_id":42470332727381,"sku":"B0BWHKPQ25","price":50.89,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/pannuoscs-vapor-canister-vent-valve-assembly.jpg?v=1778129773","url":"https:\/\/plentytorque.co.uk\/products\/pannuoscs-vapor-canister-vent-valve-for-chevy-silverado-gmc-sierra-cvs191-911-099-23103351","provider":"PlentyTorque","version":"1.0","type":"link"}