---
product_id: 139671956
title: "4LIFETIMELINES 3/16\" Fitting Assortment, Union, Adapter Kit - 24 SKU; 110 Pieces, 90 Fittings, 12 Adapters, 8 Union, Shatter Resistant Tackle Box, Brake Line Repair or Replacement"
brand: "4lifetimelines"
price: "559.86 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "4 Lifetimelines"
url: https://www.desertcart.tn/products/139671956-4lifetimelines-3-16-fitting-assortment-union-adapter-kit-24-sku
store_origin: TN
region: Tunisia
---

# 110-piece comprehensive kit Precision standardized threading Corrosion-resistant premium materials 4LIFETIMELINES 3/16" Fitting Assortment, Union, Adapter Kit - 24 SKU; 110 Pieces, 90 Fittings, 12 Adapters, 8 Union, Shatter Resistant Tackle Box, Brake Line Repair or Replacement

**Brand:** 4lifetimelines
**Price:** 559.86 DT
**Availability:** ✅ In Stock

## Summary

> 🚗 Upgrade your brake game with precision & durability that lasts a lifetime!

## Quick Answers

- **What is this?** 4LIFETIMELINES 3/16" Fitting Assortment, Union, Adapter Kit - 24 SKU; 110 Pieces, 90 Fittings, 12 Adapters, 8 Union, Shatter Resistant Tackle Box, Brake Line Repair or Replacement by 4lifetimelines
- **How much does it cost?** 559.86 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/139671956-4lifetimelines-3-16-fitting-assortment-union-adapter-kit-24-sku)

## Best For

- 4lifetimelines enthusiasts

## Why This Product

- Trusted 4lifetimelines brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ergonomic & Organized:** Smartly designed tackle box keeps your fittings and adapters sorted for quick, stress-free repairs.
- • **Lifetime-Backed Quality:** Invest once, repair forever—4LifetimeLines stands behind you with lifetime product support.
- • **Universal Compatibility:** Fits all 3/16" brake lines with standardized threading—professional results without the pro price.
- • **Premium Multi-Material Build:** Stainless steel, brass, copper-nickel & PVF-coated steel for unmatched durability and weather resistance.
- • **Complete 110-Piece Assortment:** Everything you need in one sleek, shatter-resistant tackle box—no more last-minute runs.

## Overview

The 4LIFETIMELINES 3/16" Fitting Assortment is a 110-piece, 24 SKU kit featuring unions, adapters, and fittings crafted from premium stainless steel, brass, copper-nickel, and PVF-coated steel. Designed for universal compatibility with all 3/16" brake lines, it offers corrosion resistance, precision threading, and an ergonomic, shatter-resistant tackle box. Perfect for professional-grade brake line repair or replacement, this kit delivers lifetime-backed quality and exceptional value for automotive enthusiasts and pros alike.

## Description

How did we get our start? 4Lifetime started in 2018. We saw that we could fulfill a need within the aftermarket automotive parts industry while providing quality automotive parts with our customers needs in mind. What makes our products unique? We go to work for our customers everyday. Our top priority is to take care of our customers first. Whether that be by expediting an order for them or rolling out new products that solves their problem How did we get our start? 4Lifetime started in 2018. We saw that we could fulfill a need within the aftermarket automotive parts industry while providing quality automotive parts with our customers needs in mind. What makes our products unique? We go to work for our customers everyday. Our top priority is to take care of our customers first. Whether that be by expediting an order for them or rolling out new products that solves their problem Shop all products Visit the Store Shop all products Visit the Store COMMITTED TO QUALITY - BACKED FOR LIFE 4Lifetime takes pride in producing high quality tools, brake, fuel, transmission, oil system and air conditioning solutions that are built to last. All of our products are backed for life, and you can take comfort in knowing we've got your back!. COMMITTED TO QUALITY - BACKED FOR LIFE 4Lifetime takes pride in producing high quality tools, brake, fuel, transmission, oil system and air conditioning solutions that are built to last. All of our products are backed for life, and you can take comfort in knowing we've got your back!.

Review: Great kit, little pricey but cheaper than a shop! - If you have the double flare tool and some skill, you can save a ton of money. Looks great, used a few so far, works perfect with the ni-cop lines. Many bins have just one fitting and other sizes have several, just fyi. Already paid for its self.
Review: Valuable kit for any garage - I am very impressed with this kit. It has a wide variety of fittings as well a metric and standard sizing fittings making it easy to identify the sizes existing parts.

## Features

- Enhance Braking System Performance: Elevate the performance of your automotive hydraulic braking system with the comprehensive 3/16" fitting kit, consisting of 24 SKUs. Brake line fittings play a pivotal role in ensuring the system's efficiency.
- Premium Material Assortment: Crafted with meticulous attention to quality, this assortment comprises stainless steel, brass, copper-nickel, PVF-coated steel, and coated copper-nickel tube nuts and fittings. While they pair seamlessly with our brake line products, they are universally compatible with all brake lines.
- Built to Resist Corrosion: Our tube nuts are engineered to withstand the most common enemy of tube fittings – rust and corrosion. They are meticulously plated to offer superior corrosion resistance, protecting them from the harsh elements of sunlight, rain, snow, and extreme weather conditions.
- Precision Fit: Designed for precision, our tube nuts adhere to standardized threading dimensions and wrench sizes, ensuring compatibility with a wide range of automotive brake lines. Even individuals without professional expertise can effortlessly install these top-tier tube fittings using basic automotive tools.
- Versatile Solution: The 4LifetimeLines fitting assortment is a versatile addition to your automotive toolkit. It seamlessly works with most automotive hydraulic brake lines, accommodating copper-nickel and steel lines with ease. This comprehensive assortment eliminates the need for additional purchases, and its ergonomic design ensures easy handling.
- Cost-Effective Choice: Our brake line fitting assortment offers exceptional value for your investment. With a generous collection of 20 high-quality tubes, it stands as an affordable option compared to alternatives in the market.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07BN3KJ6R |
| Best Sellers Rank | #91,401 in Automotive ( See Top 100 in Automotive ) #54 in Automotive Replacement Brake Fittings |
| Brand | 4LIFETIMELINES |
| Brand Name | 4LIFETIMELINES |
| Color | Copper,Copper Nickel |
| Connector Type | Union |
| Customer Reviews | 4.5 out of 5 stars 818 Reviews |
| Exterior Finish | Nickel |
| Item Dimensions | 9.13 x 13.25 x 2.25 inches |
| Item Weight | 3.5 Pounds |
| Item dimensions L x W x H | 9.13 x 13.25 x 2.25 inches |
| Manufacturer | 4LifetimeLines |
| Manufacturer Part Number | LTA316 |
| Material | Stainless Steel , Brass , Copper-Nickel, PVF-coated Steel |
| Material Type | Stainless Steel, Brass, Copper-Nickel, PVF-coated Steel |
| Model Number | LTA316 |
| Number of Pieces | 24 |
| Size | 3/16" |
| Thread Type | Standardized |
| UPC | 811701030650 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** 4LIFETIMELINES
- **Color:** Copper,Copper Nickel
- **Connector Type:** Union
- **Exterior Finish:** Nickel
- **Item Weight:** 3.5 Pounds
- **Item dimensions L x W x H:** 9.13 x 13.25 x 2.25 inches
- **Material:** Stainless Steel, Brass, Copper-Nickel, PVF-coated Steel
- **Number of Pieces:** 24
- **Size:** 3/16"
- **Thread Type:** Standardized

## Images

![4LIFETIMELINES 3/16" Fitting Assortment, Union, Adapter Kit - 24 SKU; 110 Pieces, 90 Fittings, 12 Adapters, 8 Union, Shatter Resistant Tackle Box, Brake Line Repair or Replacement - Image 1](https://m.media-amazon.com/images/I/81xtA-TULWL.jpg)
![4LIFETIMELINES 3/16" Fitting Assortment, Union, Adapter Kit - 24 SKU; 110 Pieces, 90 Fittings, 12 Adapters, 8 Union, Shatter Resistant Tackle Box, Brake Line Repair or Replacement - Image 2](https://m.media-amazon.com/images/I/81D1Qu+KzcL.jpg)
![4LIFETIMELINES 3/16" Fitting Assortment, Union, Adapter Kit - 24 SKU; 110 Pieces, 90 Fittings, 12 Adapters, 8 Union, Shatter Resistant Tackle Box, Brake Line Repair or Replacement - Image 3](https://m.media-amazon.com/images/I/51LG8MTEV4L.jpg)
![4LIFETIMELINES 3/16" Fitting Assortment, Union, Adapter Kit - 24 SKU; 110 Pieces, 90 Fittings, 12 Adapters, 8 Union, Shatter Resistant Tackle Box, Brake Line Repair or Replacement - Image 4](https://m.media-amazon.com/images/I/41m748tyd7L.jpg)
![4LIFETIMELINES 3/16" Fitting Assortment, Union, Adapter Kit - 24 SKU; 110 Pieces, 90 Fittings, 12 Adapters, 8 Union, Shatter Resistant Tackle Box, Brake Line Repair or Replacement - Image 5](https://m.media-amazon.com/images/I/41F-UaO9XKL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: How many pieces are in this kit? The description specifies 24 pieces, the pictures show 110 pieces.**
A: 110 total pieces. 24 different fittings.

**Q: Are they all steel fittings?**
A: Yes steel some with different coatings nd colors aswell.

**Q: Do you offer refill kits for this kit?**
A: With this kit u have all the fittings numbers nd description so refill is manageable.

**Q: Are these fittings Metric, Imperial, or both?**
A: Both depending on the kit u purchase.some have just basics while larger kits have a great selection. Bubble nd double flare is needed as I am a mechanic. I prefer large kits with 1/⁴ nd 3/¹⁶

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great kit, little pricey but cheaper than a shop!
*by M***. on October 11, 2021*

If you have the double flare tool and some skill, you can save a ton of money. Looks great, used a few so far, works perfect with the ni-cop lines. Many bins have just one fitting and other sizes have several, just fyi. Already paid for its self.

### ⭐⭐⭐⭐⭐ Valuable kit for any garage
*by C***I on July 31, 2025*

I am very impressed with this kit. It has a wide variety of fittings as well a metric and standard sizing fittings making it easy to identify the sizes existing parts.

### ⭐⭐⭐⭐ Good kit, slight miss though.
*by J***K on August 4, 2024*

A few of the fittings were doubled up and in wrong spot, so some of the fittings were not even included. Unfortunately the fittings I needed were some that were missing.

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**Shop now:** [https://www.desertcart.tn/products/139671956-4lifetimelines-3-16-fitting-assortment-union-adapter-kit-24-sku](https://www.desertcart.tn/products/139671956-4lifetimelines-3-16-fitting-assortment-union-adapter-kit-24-sku)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-11*