--- product_id: 514753886 title: "AutoLine Pro Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patent Pending" brand: "autoline pro" price: "€ 74.66" currency: EUR in_stock: true category: "Auto Line Pro" url: https://www.desertcart.hr/products/514753886-autoline-pro-cone-and-plugs-2-in-1-adapters-automotive store_origin: HR region: Croatia --- # Fits tubes 0.125" to 3.7" diameter 2-in-1 cone & cap plug function 3-year warranty & CarbonNitrile™ durability AutoLine Pro Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patent Pending **Brand:** autoline pro **Price:** € 74.66 **Availability:** ✅ In Stock ## Summary > 🚗 Seal leaks like a pro — never miss a smoke test again! ## Quick Answers - **What is this?** AutoLine Pro Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patent Pending by autoline pro - **How much does it cost?** € 74.66 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/514753886-autoline-pro-cone-and-plugs-2-in-1-adapters-automotive) ## Best For - autoline pro enthusiasts ## Why This Product - Trusted autoline pro brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** CarbonNitrile™ material ensures unmatched wear resistance. - • **Tailpipe Tested:** Perfectly engineered for OEM 2" dual tailpipes leak detection. - • **Universal Fit Range:** Accommodates tube sizes from 1/8" to 1" effortlessly. - • **Dual-Function Design:** Inject smoke or seal leaks with one versatile tool. - • **Hassle-Free Warranty:** 3 years of coverage with fast, US-based support. ## Overview The AutoLine Pro Cone and Plugs 2-in-1 Adapter set is a patent-pending, durable CarbonNitrile™ tool designed for automotive smoke machine leak testing. It features a dual-function cone and cap plug system that fits a wide range of tube sizes (0.125" to 3.7" diameter) and is compatible with standard 2" dual tailpipes. Backed by a 3-year warranty and US-based support, it offers reliable, professional-grade performance for leak detection. ## Description The AutoLine Pro cone x plugs combo adapters 2-in-1 set functions as both a cone adapter for injecting smoke and plugs to seal openings like cap plugs. The set is made of high grade carbon nitrile which is extremely resilient to wear and tear. Max diameter is 3.75". Stacks and stores neatly. Patent Pending. ## Features - 2-IN-1 FUNCTION: CONE for injecting smoke into larger openings for automotive leak testing. CAP PLUGS for blocking off openings that smoke will escape from. - VERSATILE SIZES: Max diameter 3.7" [94mm]. Min diameter tube 0.125" [3.2mm]. Fits most common tube hose sizes 1/8", 1/4", 3/8", 1/2", 3/4, 1", and more. - DUAL TAILPIPE COMPATIBLE: Designed for OEM standard and most common 2" dual tailpipes. Plug up one tailpipe and inject smoke into the other to test for exhaust leaks. - CARBON NITRILE: Extremely durable and highly resilient to wear and tear. - PATENTED PRODUCT: Intelligently Designed. Stacks and stores neatly. - THREE-YEAR WARRANTY!: You're fully covered from all manufacturer and operational defects. We're right here in the United States and will replace your unit or parts - fast and hassle free :) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BVGZPSV8 | | Best Sellers Rank | 291,296 in Automotive ( See Top 100 in Automotive ) 1,518 in Fuel System Tools | | Brand | AutoLine Pro | | Customer Reviews | 4.8 4.8 out of 5 stars (337) | | Date First Available | 21 Feb. 2023 | | Item Weight | 195 g | | Item model number | ConeCapPlugs | | Manufacturer | AutoLine Pro | | Manufacturer part number | CONE PLUGS | | Model | CONE PLUGS | | Package Dimensions | 19 x 10.1 x 4.7 cm; 195 g | ## Images ![AutoLine Pro Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patent Pending - Image 1](https://m.media-amazon.com/images/I/71+gYWtnmCL.jpg) ![AutoLine Pro Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patent Pending - Image 2](https://m.media-amazon.com/images/I/810dH2QWHGL.jpg) ![AutoLine Pro Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patent Pending - Image 3](https://m.media-amazon.com/images/I/717v--JVFbL.jpg) ![AutoLine Pro Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patent Pending - Image 4](https://m.media-amazon.com/images/I/81vGmO3nmBL.jpg) ![AutoLine Pro Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patent Pending - Image 5](https://m.media-amazon.com/images/I/81JdM-0XoRL.jpg) ## Frequently Bought Together - AutoLine Pro Premium Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patented Design. - AutoLine Pro EVAP High Volume Smoke Machine Leak Tester with Built-in Air Pump - Shop Series Plus - Automotive Smoke Tester for Vacuum Leak Detection - Ceramic Smoke Coil and Best Ranked Smoke Fluid - AutoLine Pro Best Ranked Bladder Adapter 2.0 | Automotive Smoke Testing 1.5" to 6" (38-152mm) Diamter Openings | 3-in-1 Functions as Bladder, Inflatable Plug, and Smoke Diffuser for Water Leak Testing --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/514753886-autoline-pro-cone-and-plugs-2-in-1-adapters-automotive](https://www.desertcart.hr/products/514753886-autoline-pro-cone-and-plugs-2-in-1-adapters-automotive) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-17*