---
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: "KD 18.72"
currency: KWD
in_stock: true
reviews_count: 5
category: "Auto Line Pro"
url: https://www.desertcart.com.kw/products/514753886-autoline-pro-cone-and-plugs-2-in-1-adapters-automotive
store_origin: KW
region: Kuwait
---

# Fits tubes 0.125"–3.7" diameter 2-in-1 cone & plug function 3-year warranty, US-based support 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:** KD 18.72
**Availability:** ✅ In Stock

## Summary

> 🚗 Seal leaks like a pro — don’t let your diagnostics fall short!

## 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?** KD 18.72 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/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

- • **Universal Fit:** Accommodates common hose sizes from 1/8" to 1" effortlessly
- • **Dual-Function Design:** Inject smoke or seal leaks with one versatile tool
- • **Compact & Patent-Pending:** Stacks neatly for organized storage and exclusive innovation
- • **Durable CarbonNitrile™:** Engineered for extreme wear resistance and longevity
- • **Tailpipe Leak Testing Made Easy:** Perfectly fits OEM 2" dual tailpipes for precise diagnostics

## Overview

The AutoLine Pro Cone and Plugs 2-in-1 Adapters combine a cone injector and cap plugs in one durable CarbonNitrile™ set, designed for automotive smoke machine leak testing. With a versatile size range fitting most common hose diameters and compatibility with dual 2" tailpipes, this patent-pending tool offers professional-grade reliability backed by a 3-year US warranty.

## 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: 👍🏻
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.

## 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 | 226,118 in Automotive ( See Top 100 in Automotive ) 1,163 in Fuel System Tools |
| Brand | AutoLine Pro |
| Customer Reviews | 4.8 4.8 out of 5 stars (317) |
| 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)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***N on 19 February 2026*

👍🏻

### ⭐⭐⭐⭐⭐ 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 D***X on 26 January 2026*

Quality items at a good price. Fast shipping. Reputable family-owned business! Highly recommended!

## 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 Kuwait*
*Store origin: KW*
*Last updated: 2026-03-24*