---
product_id: 73142937
title: "FIRSTINFO F3929 Banjo, 3/8”, 5/16”, 1/2” Auto Steel Line Stopper Kit Fluid Stopper Set for Fuel Rail Hose, A/C Line, Brake Line, Banjo Fitting"
brand: "firstinfo tools fit your needs"
price: "€ 28.81"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/73142937-firstinfo-f3929-banjo-3-8-5-16-1-2-auto
store_origin: IE
region: Ireland
---

# spring-loaded quick install universal 3 sizes (3/8", 5/16", 1/2") 4-piece alloy steel kit FIRSTINFO F3929 Banjo, 3/8”, 5/16”, 1/2” Auto Steel Line Stopper Kit Fluid Stopper Set for Fuel Rail Hose, A/C Line, Brake Line, Banjo Fitting

**Brand:** firstinfo tools fit your needs
**Price:** € 28.81
**Availability:** ✅ In Stock

## Summary

> 🔩 Plug it. Stop it. Own the fix like a pro.

## Quick Answers

- **What is this?** FIRSTINFO F3929 Banjo, 3/8”, 5/16”, 1/2” Auto Steel Line Stopper Kit Fluid Stopper Set for Fuel Rail Hose, A/C Line, Brake Line, Banjo Fitting by firstinfo tools fit your needs
- **How much does it cost?** € 28.81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/73142937-firstinfo-f3929-banjo-3-8-5-16-1-2-auto)

## Best For

- firstinfo tools fit your needs enthusiasts

## Why This Product

- Trusted firstinfo tools fit your needs brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted Quality & Warranty:** Engineered in Taiwan with 12+10 months warranty for peace of mind.
- • **Mess-Free Brake Line Splitting:** Stop brake fluid leaks instantly and keep your workspace spotless.
- • **Durable Alloy Steel Construction:** Premium corrosion-resistant material built to last through countless jobs.
- • **Rapid Spring-Loaded Installation:** Plug steel lines in seconds—no hassle, no downtime.
- • **Universal Fit for Multiple Lines:** Compatible with brake, fuel, A/C, and transmission cooler lines for versatile repairs.

## Overview

The FIRSTINFO F3929 Banjo Auto Steel Line Stopper Kit includes 4 alloy steel plugs in banjo, 3/8", 5/16", and 1/2" sizes. Designed for quick, mess-free brake, fuel, A/C, and transmission line repairs, its spring-loaded mechanism ensures fast installation without damaging hoses. Engineered in Taiwan with premium materials and backed by a 22-month warranty, this kit is a must-have for professional-grade automotive maintenance.

## Description

FIRSTINFO F3929 Banjo, 3/8”, 5/16”, 1/2” Auto Steel Line Stopper Kit Fluid Stopper Set for Fuel Rail Hose, A/C Line, Brake Line, Banjo Fitting

## Features

- 【 Auto Steel Line Stopper 】 To split a brake line without mess of brake fluid. And avoid brake fluid leaking and splashing for work space.
- 【 Easy to Use 】 Use to plug steel lines once disconnected. With smooth rounded edges that will not damage internal hose reinforcement
- 【 Universal Design Used to Plug Lines 】 Size: banjo, 3/8", 5/16", 1/2"
- 【 Widely use for A Variety of Lines 】 Perfect for line repairs like brake, transmission cooler line, A/C, fuel, etc. Use with any automotive fluid.
- 【 Quick Installation 】 Spring loaded design installs in seconds.
- 【 FIRSTINFO Assurance 】 Designed and manufactured in Taiwan with premium quality. We provide you this quality assurance tool with 12+10 months after-sales warranty (10 months warranty by the register) support. Help you to achieve a satisfactory shopping experience.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Size | 4 pcs Steel Line Stopper Kit |
| Material | Alloy Steel |
| Brand | FIRSTINFO TOOLS FIT YOUR NEEDS |
| Item dimensions L x W x H | 9.84 x 5.51 x 1.97 inches |
| Connector Type | Plug |
| Thread Size | 0.375 inches |
| Exterior Finish | Alloy Steel |
| Thread Type | NPT |
| Item Weight | 22 Grams |
| Number of Pieces | 4 |
| Manufacturer | FIRSTINFO TOOLS Co., Ltd. |
| UPC | 601279278383 |
| Model | F3929 |
| Item Weight | 0.776 ounces |
| Product Dimensions | 9.84 x 5.51 x 1.97 inches |
| Item model number | F3929 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | F3929 |
| Special Features | Size: banjo, 3/8", 5/16", 1/2"., Spring loaded design., Widely use for a variety of lines. |

## Product Details

- **Size:** 4 pcs Steel Line Stopper Kit
- **Material:** Alloy Steel
- **Brand:** FIRSTINFO TOOLS FIT YOUR NEEDS
- **Item dimensions L x W x H:** 9.84 x 5.51 x 1.97 inches
- **Connector Type:** Plug
- **Thread Size:** 0.375 inches
- **Exterior Finish:** Alloy Steel
- **Thread Type:** NPT
- **Item Weight:** 22 Grams
- **Number of Pieces:** 4

## Images

![FIRSTINFO F3929 Banjo, 3/8”, 5/16”, 1/2” Auto Steel Line Stopper Kit Fluid Stopper Set for Fuel Rail Hose, A/C Line, Brake Line, Banjo Fitting - Image 1](https://m.media-amazon.com/images/I/51OjTsF7UYL.jpg)
![FIRSTINFO F3929 Banjo, 3/8”, 5/16”, 1/2” Auto Steel Line Stopper Kit Fluid Stopper Set for Fuel Rail Hose, A/C Line, Brake Line, Banjo Fitting - Image 2](https://m.media-amazon.com/images/I/61LMcZuxqsL.jpg)
![FIRSTINFO F3929 Banjo, 3/8”, 5/16”, 1/2” Auto Steel Line Stopper Kit Fluid Stopper Set for Fuel Rail Hose, A/C Line, Brake Line, Banjo Fitting - Image 3](https://m.media-amazon.com/images/I/616QNclb+bL.jpg)
![FIRSTINFO F3929 Banjo, 3/8”, 5/16”, 1/2” Auto Steel Line Stopper Kit Fluid Stopper Set for Fuel Rail Hose, A/C Line, Brake Line, Banjo Fitting - Image 4](https://m.media-amazon.com/images/I/61HkVGuGDLL.jpg)
![FIRSTINFO F3929 Banjo, 3/8”, 5/16”, 1/2” Auto Steel Line Stopper Kit Fluid Stopper Set for Fuel Rail Hose, A/C Line, Brake Line, Banjo Fitting - Image 5](https://m.media-amazon.com/images/I/61up-OHmwLL.jpg)

## Available Options

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

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-28*