{"product_id":"k-n-air-oil-separator-catch-can-for-silverado-tahoe-suburban-2014-2020-vehicle-specific-tool-free-drain","title":"K\u0026N Air Oil Separator Catch Can for Silverado\/Tahoe\/Suburban (2014-2020) — Vehicle‑Specific, Tool‑Free Drain","description":"\u003cp\u003e\u003cstrong\u003eThe K\u0026amp;N Air Oil Separator (81-0805) is a vehicle-specific catch can that captures crankcase oil and blowby vapors to help protect your engine and intake tract on compatible GM trucks and SUVs.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you own a 2014–2018 Chevrolet Silverado 1500 or GMC Sierra 1500, a 2015–2020 Suburban\/Tahoe\/Yukon family vehicle, or a 2015–2019 Escalade, this K\u0026amp;N unit replaces the factory crankcase vent line with a high-capacity reservoir and OEM-style connections. Engineered for each application, the separator installs in about 30 minutes with common tools and uses quick-snap fittings so you can check and drain the reservoir without tools. Backed by K\u0026amp;N’s No-Hassle Lifetime Limited Warranty, it’s designed to be a durable add-on to your factory systems (not legal for sale or use in California on pollution-controlled vehicles).\u003c\/p\u003e\n\n\u003ch3\u003eHow does the K\u0026amp;N Air Oil Separator protect my engine?\u003c\/h3\u003e\n\u003cp\u003eThe separator intercepts oil-laden crankcase vapors before they reach the intake tract, collecting the condensate in a dedicated reservoir. Removing oil and contaminants from the PCV stream reduces buildup on intake valves and in the intake manifold, helping maintain consistent airflow and combustion characteristics.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-capacity internal reservoir for extended catch intervals\u003c\/li\u003e\n  \u003cli\u003eSeparates oil droplets and returns them to the crankcase or stores them for easy draining\u003c\/li\u003e\n  \u003cli\u003ePrevents recycled oil from coating intake components and sensors\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill installation fit my Silverado\/Tahoe\/Suburban\/Yukon\/Escalade and how long does it take?\u003c\/h3\u003e\n\u003cp\u003eThis model is engineered for specific GM 5.3L\/6.2L truck and SUV platforms listed in the fitment guide, so it uses factory routing and mounting points where possible. Typical installation takes about 30 minutes using basic hand tools; hose ends use factory-style snap connectors for a clean, secure fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVehicle-specific kit for listed model years and engines\u003c\/li\u003e\n  \u003cli\u003eOEM-style connectors and durable hoses included\u003c\/li\u003e\n  \u003cli\u003eNo special tools required to remove or empty the reservoir\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I service and drain the catch can?\u003c\/h3\u003e\n\u003cp\u003eServicing is straightforward: the collector is designed for tool-free access so you can inspect and empty it during routine maintenance intervals. Frequency depends on driving conditions and engine use, but visual checks during oil changes will tell you when draining is needed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHand-release reservoir cap for quick emptying\u003c\/li\u003e\n  \u003cli\u003eClear or accessible reservoir location for easy visual checks\u003c\/li\u003e\n  \u003cli\u003eDesigned to be emptied without removing the entire unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and features ensure long-term durability?\u003c\/h3\u003e\n\u003cp\u003eThe K\u0026amp;N catch can uses premium components and OEM-style connectors to withstand heat and vibration in modern engine bays. The design prioritizes flow efficiency and leak-free connections while matching factory vent routing to reduce installation complexity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRobust hoses and fittings built to factory fitment specifications\u003c\/li\u003e\n  \u003cli\u003eHigh-capacity, corrosion-resistant collection housing\u003c\/li\u003e\n  \u003cli\u003eBacked by K\u0026amp;N No-Hassle Lifetime Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: drivers of compatible Chevrolet, GMC, and Cadillac full-size trucks and SUVs who want an engineered, vehicle-specific solution to reduce oil and contaminant recycle into the intake system. If you perform regular towing, heavy-load driving, or want to limit intake and valve deposits for longevity and consistent performance, the K\u0026amp;N 81-0805 Air Oil Separator is a direct-fit aftermarket accessory that integrates with factory systems and is easy to service during routine maintenance.\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: Is the K\u0026amp;N 81-0805 a direct fit for my GMC Yukon or Chevy Tahoe?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this model is vehicle-specific for the years listed (2014–2018 Silverado\/Sierra and 2015–2020 Suburban\/Tahoe\/Yukon\/2015–2019 Escalade). Check exact year and engine compatibility before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need special tools to install or service it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No—installation takes about 30 minutes with basic hand tools, and the collector reservoir is hand-accessible for easy draining.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"K\u0026N","offers":[{"title":"Default Title","offer_id":55161243402583,"sku":"B0CKWDMT13","price":166.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/kn-air-oil-separator-front-view.jpg?v=1790323039","url":"https:\/\/britishgarage.co.uk\/products\/k-n-air-oil-separator-catch-can-for-silverado-tahoe-suburban-2014-2020-vehicle-specific-tool-free-drain","provider":"British Garage","version":"1.0","type":"link"}