{"product_id":"autoline-pro-automotive-cap-plug-kit-23-piece-tapered-evap-vacuum-sealing-set-durable-plastic","title":"AutoLine Pro Automotive Cap Plug Kit — 23-Piece Tapered EVAP \u0026 Vacuum Sealing Set, Durable Plastic","description":"\u003cp\u003e\u003cstrong\u003eAutoLine Pro Premium Automotive Cap Plugs Kit is a 23-piece set of tapered plastic plugs designed to seal ports and openings for reliable EVAP and vacuum smoke pressure testing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen diagnosing leaks or pressure issues on vehicles, a dependable set of cap plugs makes isolating and testing components faster and cleaner. The AutoLine Pro kit includes plugs ranging from 1\/8\" to 4\" (3.2 mm to 102 mm), built from high-strength plastic and shaped for snug seals across common automotive openings. It works with all major vacuum and EVAP smoke machines and is backed by a lifetime warranty, giving technicians and DIYers confidence during routine checks and repair jobs.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these cap plugs improve EVAP and vacuum smoke testing?\u003c\/h3\u003e\n\u003cp\u003eThese plugs provide quick, reusable seals that let you pressurize or evacuate systems without improvising with tape or makeshift stoppers. Their tapered design creates consistent contact against ports, reducing false leaks and saving diagnostic time. You get a controlled, leak-free environment for pinpointing faults.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTapered fit for reliable sealing across varied port diameters\u003c\/li\u003e\n  \u003cli\u003eRange covers 1\/8\"–4\" (3.2–102 mm) for broad compatibility\u003c\/li\u003e\n  \u003cli\u003eDurable plastic resists deformation under test pressures\u003c\/li\u003e\n  \u003cli\u003eReusable for repeated shop use or home repairs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and tools are these plugs compatible with?\u003c\/h3\u003e\n\u003cp\u003eThe AutoLine Pro plugs are vehicle-agnostic and intended for any system that accepts tapered cap plugs during EVAP or vacuum diagnostics. They pair with all common smoke and vacuum machines, so you won’t need model-specific adapters. This kit simplifies testing across cars, trucks, and light commercial vehicles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with AutoLine Pro, OTC, Redline, Autool, and other smoke machines\u003c\/li\u003e\n  \u003cli\u003eFits EVAP canisters, purge valves, hoses, and vacuum ports\u003c\/li\u003e\n  \u003cli\u003eUseful on diesel and gasoline systems where tapered plugs apply\u003c\/li\u003e\n  \u003cli\u003eSet replaces multiple single-size plugs for greater versatility\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the build quality and warranty details?\u003c\/h3\u003e\n\u003cp\u003eManufactured from high-quality plastic, each plug resists cracking and holds shape under typical diagnostic pressures. The material choice balances stiffness for sealing with enough flexibility to avoid damaging port edges. AutoLine Pro supports the product with a lifetime warranty, covering defects in materials and workmanship for long-term use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUltra-durable plastic construction for repeated use\u003c\/li\u003e\n  \u003cli\u003eSpecial tapering for snug, repeatable fitment\u003c\/li\u003e\n  \u003cli\u003eLifetime warranty against manufacturing defects\u003c\/li\u003e\n  \u003cli\u003eQuality control to ensure consistent sizing across the set\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the 23-piece range make diagnostics easier?\u003c\/h3\u003e\n\u003cp\u003eHaving 23 sizes on hand means you can match a plug to nearly any port without forcing an ill-fitting piece. That reduces the need for makeshift solutions and speeds the process of isolating leaks. The graduated range simplifies inventory — one kit covers many applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSizes span 1\/8\" to 4\" (3.2–102 mm) for broad coverage\u003c\/li\u003e\n  \u003cli\u003eConvenient organization eliminates searching for individual plugs\u003c\/li\u003e\n  \u003cli\u003eReduces downtime by providing the correct plug on the first try\u003c\/li\u003e\n  \u003cli\u003eCompact kit is easy to store in a toolbox or service cart\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The AutoLine Pro 23-piece cap plugs kit is built for professional technicians, mobile mechanics, and well-equipped DIYers who perform EVAP and vacuum smoke tests regularly. If you need durable, repeatable seals that work with popular diagnostic machines and want a comprehensive size range backed by a lifetime warranty, this kit is a practical addition to your diagnostic tools.\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: Can these plugs be used with any smoke machine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The AutoLine Pro plugs are compatible with all common EVAP and vacuum smoke machines, including AutoLine Pro, OTC, Redline, and Autool.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What sizes are included in the kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The set includes 23 tapered plugs covering diameters from 1\/8\" to 4\" (3.2 mm to 102 mm).\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AutoLine Pro","offers":[{"title":"Default Title","offer_id":48086158246046,"sku":"B07WS8CSN7","price":42.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/autoline-pro-front-packaging_a3869b1b-90be-4701-8bd8-b274e0bfef4b.jpg?v=1785887430","url":"https:\/\/northtrailauto.ca\/products\/autoline-pro-automotive-cap-plug-kit-23-piece-tapered-evap-vacuum-sealing-set-durable-plastic","provider":"North Trail Auto","version":"1.0","type":"link"}