---
product_id: 293963183
title: "Mastercool 71098 37° Flaring & Double Flaring Adapter Set – Hydraulic Tool Compatible – For Automotive, Racing, Hydraulic & HVAC Applications (3/16” to 1/2”)"
brand: "mastercool"
price: "€ 301.79"
currency: EUR
in_stock: true
category: "Mastercool"
url: https://www.desertcart.at/products/293963183-mastercool-71098-37-flaring-and-double-flaring-adapter-set-hydraulic
store_origin: AT
region: Austria
---

# 5 adapter sizes (3/16” to 1/2”) 37° precision flaring angle Hardened steel durability Mastercool 71098 37° Flaring & Double Flaring Adapter Set – Hydraulic Tool Compatible – For Automotive, Racing, Hydraulic & HVAC Applications (3/16” to 1/2”)

**Brand:** mastercool
**Price:** € 301.79
**Availability:** ✅ In Stock

## Summary

> 🔧 Master every flare, own every connection.

## Quick Answers

- **What is this?** Mastercool 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?** € 301.79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/293963183-mastercool-71098-37-flaring-and-double-flaring-adapter-set-hydraulic)

## 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 rigorous use in automotive, HVAC, and aerospace environments.
- • **Precision 37° Flares:** Engineered to produce flawless AN/JIC standard flares for leak-free, professional connections.
- • **Universal Size Coverage:** Covers all essential tubing sizes from 3/16” to 1/2” for ultimate versatility.
- • **Trusted Industry Standard:** Meets SAE J514 and ISO 8434-2 standards, backed by 40+ years of Mastercool’s professional legacy.
- • **Seamless Hydraulic Compatibility:** Optimized for Mastercool hydraulic flaring tools ensuring smooth, efficient operation every time.

## Overview

The Mastercool 71098 Adapter Set is a professional-grade 37° flaring and double flaring kit designed for hydraulic, automotive, HVAC, and aerospace applications. Featuring five adapter sizes from 3/16” to 1/2”, hardened alloy steel construction, and compliance with SAE J514 and ISO 8434-2 standards, it delivers precision, durability, and compatibility with Mastercool hydraulic tools—making it the go-to choice for professionals demanding flawless, leak-proof tubing connections.

## 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

## Features

- Best Quality
- Mastercool

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002YKNXKS |
| Brand Name | Mastercool |
| Colour | Silver |
| Connector Type | Adapter |
| Customer Reviews | 4.6 4.6 out of 5 stars (208) |
| Exterior Finish | Silver |
| Global Trade Identification Number | 00700376710984 |
| Included Components | 37˚ double flaring adapter and die sets for 3/16, 1/4, 5/16, 3/8, and 1/2” and cone |
| Item Dimensions | 32.4 x 9.5 x 8.3 Centimeters |
| Item Type Name | 37 Degree Hydraulic Flaring Tool Adapter Set |
| Item Weight | 907 g |
| Manufacturer | Mastercool |
| Manufacturer Part Number | 71098 |
| Manufacturer Warranty Description | No Warranty |
| Material Type | Alloy Steel |
| Model Number | 71098 |
| Number of Packs | 1 |
| Number of Pieces | 37 |
| Set Name | Mastercool 37° Flaring & Double Flaring Adapter Set |
| Size | 37 deg. Flaring & Double Flaring Adapter Set |
| Thread Size | 3/16, 1/4, 5/16, 3/8, 1/2 |
| Thread Type | Metric Tapered |
| UPC | 700376710984 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Mastercool
- **Colour:** Silver
- **Connector Type:** Adapter
- **Exterior Finish:** Silver
- **Item Weight:** 907 g
- **Item dimensions L x W x H:** 32.4 x 9.5 x 8.3 Centimeters
- **Material:** Alloy Steel
- **Size:** 37 deg. Flaring & Double Flaring Adapter Set
- **Thread Size:** 3/16, 1/4, 5/16, 3/8, 1/2
- **Thread Type:** Metric Tapered

## Images

![Mastercool 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/41pb1yPf4dL.jpg)
![Mastercool 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/519vCaqhKNL.jpg)
![Mastercool 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/51wYlZCHnDL.jpg)
![Mastercool 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)
![Mastercool 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/51IXx-S1Z3L.jpg)

## 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 Austria*
*Store origin: AT*
*Last updated: 2026-10-23*