---
product_id: 561331397
title: "AutoLine Pro Premium Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patented Design."
brand: "autoline pro"
price: "$209"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/561331397-autoline-pro-premium-cone-and-plugs-2-in-1-adapters
store_origin: NZ
region: New Zealand
---

# Fits tubes 0.125" to 3.7" diameter 2-in-1 cone & plug function 3-year warranty, USA-made durability AutoLine Pro Premium Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patented Design.

**Brand:** autoline pro
**Price:** $209
**Availability:** ✅ In Stock

## Summary

> 🚗 Smoke out leaks like a pro — the ultimate 2-in-1 automotive testing tool!

## Quick Answers

- **What is this?** AutoLine Pro Premium Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patented Design. by autoline pro
- **How much does it cost?** $209 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/561331397-autoline-pro-premium-cone-and-plugs-2-in-1-adapters)

## 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 tailpipes.
- • **Dual-Function Design:** Inject smoke or seal leaks with one smart adapter.
- • **Patent-Pending Innovation:** Stackable, space-saving design built for pros who value efficiency.
- • **CarbonNitrile™ Durability:** Engineered for extreme wear resistance and long-lasting use.
- • **Hassle-Free 3-Year Warranty:** Reliable coverage backed by fast, US-based support.

## Overview

The AutoLine Pro Premium Cone and Plugs 2-in-1 Adapters combine a cone for injecting smoke and plugs for sealing openings, crafted from durable CarbonNitrile™. Designed to fit a wide range of tube sizes and dual tailpipes, this patented, stackable set offers professional-grade leak testing with a 3-year warranty and US-based support.

## 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 |
|---------------|-------|
| Manufacturer | AutoLine Pro |
| Brand | AutoLine Pro |
| Model | CONE X PLUGS |
| Package Dimensions | 19 x 10.1 x 4.7 cm; 195 g |
| Item model number | ConeCapPlugs |
| Manufacturer Part Number | CONE PLUGS |
| Material | CarbonNitrile™ |
| Assembly Required | No |
| Manufacturer | AutoLine Pro |
| Country of Origin | USA |
| Item Weight | 195 g |

## Images

![AutoLine Pro Premium Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patented Design. - Image 1](https://m.media-amazon.com/images/I/71+gYWtnmCL.jpg)
![AutoLine Pro Premium Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patented Design. - Image 2](https://m.media-amazon.com/images/I/810dH2QWHGL.jpg)
![AutoLine Pro Premium Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patented Design. - Image 3](https://m.media-amazon.com/images/I/717v--JVFbL.jpg)
![AutoLine Pro Premium Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patented Design. - Image 4](https://m.media-amazon.com/images/I/81vGmO3nmBL.jpg)
![AutoLine Pro Premium Cone and Plugs 2-in-1 Adapters | for Automotive Smoke Machine Leak Testing | Cone & Cap Plugs Function | CarbonNitrile™ | Patented Design. - 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.
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**Shop now:** [https://www.desertcart.nz/products/561331397-autoline-pro-premium-cone-and-plugs-2-in-1-adapters](https://www.desertcart.nz/products/561331397-autoline-pro-premium-cone-and-plugs-2-in-1-adapters)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-25*