---
product_id: 117977604
title: "FJC FJC6810 1 Pack UV A/C Dye (R-1234Yf)"
brand: "fjc"
price: "VT4784"
currency: VUV
in_stock: true
reviews_count: 3
category: "Fjc"
url: https://www.desertcart.vu/products/117977604-fjc-fjc6810-1-pack-uv-a-c-dye-r-1234yf
store_origin: VU
region: Vanuatu
---

# UV fluorescent visibility 1 oz. precision dye Made in USA quality FJC FJC6810 1 Pack UV A/C Dye (R-1234Yf)

**Brand:** fjc
**Price:** VT4784
**Availability:** ✅ In Stock

## Summary

> 🔍 Illuminate leaks before they escalate – stay ahead with FJC UV Dye!

## Quick Answers

- **What is this?** FJC FJC6810 1 Pack UV A/C Dye (R-1234Yf) by fjc
- **How much does it cost?** VT4784 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/117977604-fjc-fjc6810-1-pack-uv-a-c-dye-r-1234yf)

## Best For

- fjc enthusiasts

## Why This Product

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

## Key Features

- • **Trusted American Craftsmanship:** Proudly manufactured in the USA, guaranteeing consistent quality and reliability.
- • **Pinpoint Slow Leaks Effortlessly:** Detect even the tiniest A/C leaks with vibrant UV dye that highlights problem spots instantly.
- • **Maximize Value with 4 Applications:** Each 1 oz. bottle delivers up to 4 precise uses, optimizing your maintenance budget.
- • **Seamless Integration with R-1234yf:** Specifically formulated for R-1234yf refrigerant systems to ensure perfect compatibility.
- • **Enhanced Leak Detection with UV Tech:** Use with UV lamps and glasses for crystal-clear visualization of leaks, saving time and guesswork.

## Overview

FJC FJC6810 UV A/C Dye is a 1 oz. fluorescent leak detection liquid designed exclusively for R-1234yf refrigerant systems. It mixes seamlessly with oil and refrigerant, circulating through the A/C system to reveal leaks under UV light. Each bottle provides up to 4 applications, enabling precise and efficient leak detection. Proudly made in the USA, this dye is a trusted tool for automotive professionals seeking reliable, high-visibility diagnostics.

## Description

Features & Benefits: Fluorescent leak detection dye 4 individual applications per bottle For use with R-1234yf Only need. 25 oz. for 8 oz.

Review: Works very well. - I've used this dye for a couple of years now. It is a great way to find those difficult "slow leaks". I'm sure I will order more when the supply runs low.
Review: Great product - Good buy for sure

## Features

- Contains 1 oz.
- Use 1/4 oz. per 12 oz. oil
- FJC’s Air Conditioning Dyes mix with the oil and refrigerant and circulate throughout the A/C system
- At the area of a leak, a small amount of dye will escape and stain the area with dye, exposing the leak.
- UV/Fluorescent dyes allow the operator to see this with the aid of the UV lamp and enhancing glasses
- Manufactured in the United States

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07HFPFBRZ |
| Best Sellers Rank | #52,714 in Automotive ( See Top 100 in Automotive ) #191 in Air Conditioning Line Repair Tools |
| Brand Name | FJC |
| Color | Factory |
| Compatible Material | Leather |
| Customer Reviews | 4.6 4.6 out of 5 stars (48) |
| Global Trade Identification Number | 00609989019586 |
| Included Components | UV Dye |
| Item Form | Liquid |
| Item Type Name | UV Leak Detection Dye |
| Item Weight | 0.01 Ounces |
| Manufacturer | FJC |
| Manufacturer Part Number | FJC6810 |
| Model Number | FJC6810 |
| Number of Items | 1 |
| UPC | 609989019586 |
| Unit Count | 1.0 Count |
| Warranty Description | Through Amazon |

## Product Details

- **Brand:** FJC
- **Color:** Factory
- **Compatible Material:** Leather
- **Item Form:** Liquid
- **Item Weight:** 0.01 Ounces

## Images

![FJC FJC6810 1 Pack UV A/C Dye (R-1234Yf) - Image 1](https://m.media-amazon.com/images/I/51uWOIk5wLL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works very well.
*by L***R on January 30, 2026*

I've used this dye for a couple of years now. It is a great way to find those difficult "slow leaks". I'm sure I will order more when the supply runs low.

### ⭐⭐⭐⭐⭐ Great product
*by J***M on July 6, 2024*

Good buy for sure

### ⭐⭐⭐⭐⭐ 1234yf dye
*by K***S on August 29, 2019*

A perfect solution for 1234yf leak detection.

## Frequently Bought Together

- FJC FJC6810 1 Pack UV A/C Dye (R-1234Yf)
- FJC 2458 R1234YF Refrigerant Oil, 8 fl. oz, 1 Pack
- Lichamp AC Oil Injector R134A, R1234YF Refrigerant A/C Dye Injector Kit with Adjustable Coupler and Oil Checkers

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**Shop now:** [https://www.desertcart.vu/products/117977604-fjc-fjc6810-1-pack-uv-a-c-dye-r-1234yf](https://www.desertcart.vu/products/117977604-fjc-fjc6810-1-pack-uv-a-c-dye-r-1234yf)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-06*