---
product_id: 293963183
title: "71098 37° Flaring & Double Flaring Adapter Set – Hydraulic Tool Compatible – For Automotive, Racing, Hydraulic & HVAC Applications (3/16” to 1/2”)"
brand: "mastercool"
price: "AR$542864"
currency: ARS
in_stock: true
reviews_count: 5
category: "Mastercool"
url: https://www.desertcart.com.ar/products/293963183-71098-37-flaring-and-double-flaring-adapter-set-hydraulic-tool
store_origin: AR
region: Argentina
---

# 5 adapter sizes 3/16"-1/2" Precision 37° & double flares Hardened steel for durability 71098 37° Flaring & Double Flaring Adapter Set – Hydraulic Tool Compatible – For Automotive, Racing, Hydraulic & HVAC Applications (3/16” to 1/2”)

**Brand:** mastercool
**Price:** AR$542864
**Availability:** ✅ In Stock

## Summary

> 🔩 Master every flare with precision and power — don’t settle for less!

## Quick Answers

- **What is this?** 71098 37° Flaring & Double Flaring Adapter Set – Hydraulic Tool Compatible – For Automotive, Racing, Hydraulic & HVAC Applications (3/16” to 1/2”) by mastercool
- **How much does it cost?** AR$542864 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/293963183-71098-37-flaring-and-double-flaring-adapter-set-hydraulic-tool)

## Best For

- mastercool enthusiasts

## Why This Product

- Trusted mastercool brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Crafted from hardened alloy steel to withstand heavy use in automotive, racing, hydraulic, and HVAC applications.
- • **Precision Engineering:** Delivers flawless 37° and double flares that ensure leak-free, professional-grade connections.
- • **Complete Size Coverage:** Covers all major tubing sizes from 3/16" to 1/2" for ultimate versatility.
- • **Seamless Tool Integration:** Designed specifically for Mastercool hydraulic flaring tools to maximize efficiency and accuracy.
- • **Trusted Industry Standard:** Meets SAE J514 and ISO 8434-2 standards, guaranteeing compatibility and reliability.

## Overview

The Mastercool 71098 Adapter Set is a professional-grade flaring kit featuring 37° and double flare dies for tubing sizes 3/16" to 1/2". Made from hardened alloy steel, it meets SAE and ISO standards and is engineered for flawless, leak-proof connections across automotive, hydraulic, aerospace, and HVAC systems. Trusted by pros for over 40 years, this set integrates perfectly with Mastercool hydraulic flaring tools to deliver durable, precise results every time.

## Description

OverviewThe Mastercool 71098 37° Flaring & Double Flaring Adapter Set provides the precision and flexibility professionals demand. Designed to work seamlessly with Mastercool’s hydraulic flaring tool, this kit covers all major sizes from 3/16” to 1/2”.ApplicationsThe 37° flare (AN/JIC standard) is widely used in hydraulic systems, aerospace fuel and oil lines, marine engines, motorsports plumbing, HVAC service, and general industrial machinery. Whether you’re working on construction equipment, aircraft fuel lines, or performance automotive systems, these adapters and dies provide accurate, leak-free connections.Key FeaturesFull set of adapters and dies for 3/16” to 1/2” tubingProduces precise 37° flares and double flaresMeets SAE J514 / ISO 8434-2 standardsHardened steel for durability and long lifeCompatible with Mastercool hydraulic flaring toolWhy MastercoolFor more than 40 years, Mastercool has been a trusted name in the automotive and HVAC industries. Our tools are built for professionals who demand accuracy, durability, and strong U.S.-based customer support.Technical SpecificationsKit Includes: 5 double flare die sets, 5 adapters, 37° coneSizes: 3/16”, 1/4”, 5/16”, 3/8”, 1/2”Standards: SAE J514, ISO 8434-2Material: Hardened steelApplications: Automotive (performance/racing), hydraulics, aerospace/AN fuel & oil lines, HVAC tubing

Review: Took awhile to get here but great tools from mastercool. I stripped the bubble (clamp) dies trying to do 3/8 stainless. It was .49 wall and way too thick. Should be able to handle .28 stainless. The does still work but leave marks on tubing now. Guess we’ll see how there warranty is.
Review: Man, I use the heck out of these things! I bought them as an add on to complete my Mastercool flare kit. These things are great quality, never slip on the hard line and work on Aluminum, CuNi, steel, and even really hard Stainless steel. Prettiest flares you've ever seen! Just remember to put the nut and sleeve on first... and face the sleeve in the right direction too.. Lol...

## Features

- Best Quality
- Mastercool

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002YKNXKS |
| Assembly Required | No |
| Brand | Mastercool |
| Colour | Silver |
| Connector Type | Adapter |
| Country of Origin | USA |
| Customer Reviews | 4.6 4.6 out of 5 stars (199) |
| Date First Available | 9 August 2012 |
| Exterior Finish | Silver |
| Generic Name | 37 Degree Hydraulic Flaring Tool Adapter Set |
| Global Trade Identification Number | 00700376710984 |
| Item Dimensions LxWxH | 32.4 x 9.5 x 8.3 Centimeters |
| Item Weight | 907 g |
| Item dimensions L x W x H | 32.4 x 9.5 x 8.3 Centimeters |
| Item model number | 71098 |
| Manufacturer | Mastercool |
| Manufacturer Part Number | 71098 |
| Material | Alloy Steel |
| Model | 37 Degree Hydraulic Flaring Tool Adapter Set |
| Net Quantity | 1.0 Count |
| Number of Pieces | 37 |
| Product Dimensions | 32.39 x 9.53 x 8.26 cm; 907.18 g |
| Set Name | Mastercool 37° Flaring & Double Flaring Adapter Set |
| Size | medium |
| Thread Size | 3/16, 1/4, 5/16, 3/8, 1/2 |
| Thread Type | Metric Tapered |
| UPC | 700376710984 |

## Product Details

- **Brand:** Mastercool
- **Colour:** Silver
- **Connector Type:** Adapter
- **Exterior Finish:** Silver
- **Item Weight:** 2 Pounds
- **Item dimensions L x W x H:** 32.4 x 9.5 x 8.3 Centimeters
- **Material:** Alloy Steel
- **Size:** 3/16", 1/4", 5/16", 3/8", 1/2"
- **Thread Size:** 3/16, 1/4, 5/16, 3/8, 1/2
- **Thread Type:** Metric Tapered

## Images

![71098 37° Flaring & Double Flaring Adapter Set – Hydraulic Tool Compatible – For Automotive, Racing, Hydraulic & HVAC Applications (3/16” to 1/2”) - Image 1](https://m.media-amazon.com/images/I/31y-fhyCoRL.jpg)
![71098 37° Flaring & Double Flaring Adapter Set – Hydraulic Tool Compatible – For Automotive, Racing, Hydraulic & HVAC Applications (3/16” to 1/2”) - Image 2](https://m.media-amazon.com/images/I/516DcNxrdnL.jpg)
![71098 37° Flaring & Double Flaring Adapter Set – Hydraulic Tool Compatible – For Automotive, Racing, Hydraulic & HVAC Applications (3/16” to 1/2”) - Image 3](https://m.media-amazon.com/images/I/51IXx-S1Z3L.jpg)
![71098 37° Flaring & Double Flaring Adapter Set – Hydraulic Tool Compatible – For Automotive, Racing, Hydraulic & HVAC Applications (3/16” to 1/2”) - Image 4](https://m.media-amazon.com/images/I/51eQHFogXKL.jpg)
![71098 37° Flaring & Double Flaring Adapter Set – Hydraulic Tool Compatible – For Automotive, Racing, Hydraulic & HVAC Applications (3/16” to 1/2”) - Image 5](https://m.media-amazon.com/images/I/51wYlZCHnDL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by G***N on 4 May 2020*

Took awhile to get here but great tools from mastercool. I stripped the bubble (clamp) dies trying to do 3/8 stainless. It was .49 wall and way too thick. Should be able to handle .28 stainless. The does still work but leave marks on tubing now. Guess we’ll see how there warranty is.

### ⭐⭐⭐⭐⭐ Review
*by B***N on 21 August 2018*

Man, I use the heck out of these things! I bought them as an add on to complete my Mastercool flare kit. These things are great quality, never slip on the hard line and work on Aluminum, CuNi, steel, and even really hard Stainless steel. Prettiest flares you've ever seen! Just remember to put the nut and sleeve on first... and face the sleeve in the right direction too.. Lol...

### ⭐⭐⭐⭐⭐ Review
*by G***E on 13 November 2022*

The Mastercool kit is an addition to my existing Mastercool tools - brilliant tools to give a perfect finished result. The exceptional bit is that Amazon Prime facilitated getting this kit from Texas to Melbourne, Australia in four days and at a VERY good price! Amazon Prime has opened up a trustworthy international buying avenue for me I did not know existed. Well done.

## Frequently Bought Together

- Mastercool (71098 Silver 37 Degree Hydraulic Flaring Tool Adapter Set
- Mastercool 72485-PRC Universal Hydraulic Flaring Tool – 45° Double & Single Flares, Push Connect, GM Fuel Line, Brake Line & GM Transmission Cooling – Includes Hydraulic Ram & Mini Tube Cutter
- 4LIFETIMELINES Rimming & Deburring Tool for 3/16" to 1/2" Tubing, Exceptionally Versatile Tool, Achieve Optimal Tubing Flaring, Dubur Tubing Efficiently

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-03-19*