---
product_id: 514753903
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: "A$62"
currency: AUD
in_stock: true
reviews_count: 5
category: "Auto Line Pro"
url: https://www.desertcart.com.au/products/514753903-autoline-pro-cone-and-plugs-2-in-1-adapters-automotive
store_origin: AU
region: Australia
---

# 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:** A$62
**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?** A$62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/514753903-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

- • **Universal Fit Range:** Seamlessly fits tubes from 1/8" to 1" and common dual 2" tailpipes.
- • **Dual-Function Design:** Inject smoke or seal leaks with one versatile adapter.
- • **Patent-Pending Innovation:** Smart stacking design for effortless storage and quick access.
- • **Risk-Free 3-Year Warranty:** Reliable US-based support ensures hassle-free replacements.
- • **Premium CarbonNitrile™ Build:** Engineered for extreme durability and wear resistance.

## Overview

The AutoLine ProCone and Plugs 2-in-1 Adapters combine cone and cap plug functions in a single, patent-pending design. Crafted from durable CarbonNitrile™, they fit a wide range of tube sizes (0.125" to 3.7") and are compatible with standard 2" dual tailpipes. Backed by a 3-year warranty and US-based support, these adapters streamline automotive smoke machine leak testing with professional-grade reliability.

## 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.

Review: Easy to work with and reliable. Yet to have any problems with it and I’ve had it for 2 years. Worth the buy.
Review: Good product

## 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 | #48,923 in Automotive ( See Top 100 in Automotive ) #60 in Automotive Air Conditioning Line Repair Tools |
| Brand | AutoLine Pro |
| Customer Reviews | 4.8 4.8 out of 5 stars (294) |
| Date First Available | 22 February 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/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 3](https://m.media-amazon.com/images/I/71CpM+PW89L.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/71iLOgywmgL.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/810dH2QWHGL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by B***Z on 15 November 2025*

Easy to work with and reliable. Yet to have any problems with it and I’ve had it for 2 years. Worth the buy.

### ⭐⭐⭐⭐⭐ Review
*by K***N on 26 July 2025*

Good product

### ⭐⭐⭐⭐⭐ Review
*by A***N on 29 September 2025*

This Automotive AutoLine Smoke Machine Leak Detector Cone and Plugs were a great investment in attachments. These items were easy to use and worked perfectly as described in the advertisement. The instructions were easy to understand with no problems.

## 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

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-22*