---
product_id: 36519329
title: "RD8 Radiator Coolant Water Based U/V Leak Detection Dye (Self Measure Bottle), Purple, 8-Ounce Bottle"
brand: "tsi supercool"
price: "€ 45.49"
currency: EUR
in_stock: true
category: "Tsi Supercool"
url: https://www.desertcart.be/products/36519329-rd8-radiator-coolant-water-based-u-v-leak-detection-dye
store_origin: BE
region: Belgium
---

# UV detectable formula 8 oz vibrant purple dye 1 oz per vehicle precision dosing RD8 Radiator Coolant Water Based U/V Leak Detection Dye (Self Measure Bottle), Purple, 8-Ounce Bottle

**Brand:** tsi supercool
**Price:** € 45.49
**Availability:** ✅ In Stock

## Summary

> 🟣 Illuminate leaks before they illuminate your wallet!

## Quick Answers

- **What is this?** RD8 Radiator Coolant Water Based U/V Leak Detection Dye (Self Measure Bottle), Purple, 8-Ounce Bottle by tsi supercool
- **How much does it cost?** € 45.49 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/36519329-rd8-radiator-coolant-water-based-u-v-leak-detection-dye)

## Best For

- tsi supercool enthusiasts

## Why This Product

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

## Key Features

- • **Spot leaks in seconds:** Synthetic UV dye reveals hidden cooling system leaks instantly under any UV light.
- • **Vibrant purple visibility:** Striking purple color makes spotting leaks easier and faster than ever.
- • **Trusted by pros and DIYers:** Top-ranked with 4.5-star reviews, a must-have for every vehicle maintenance toolkit.
- • **Universal UV compatibility:** Works seamlessly with all UV lights for effortless leak detection anywhere.
- • **Precision dosing, zero waste:** Self-measure bottle ensures exact 1-ounce use per vehicle for efficient application.

## Overview

TSI Supercool RD8 Radiator Coolant Dye is an 8-ounce, purple synthetic UV leak detection liquid designed for water-cooled engines. Its self-measure bottle allows precise 1-ounce dosing per vehicle, making it easy to quickly identify cooling system leaks under any UV light. Highly rated and trusted, it’s a professional-grade tool for proactive vehicle maintenance.

## Description

TSI Supercool RD8 Radiator Dye - 8-Ounce - Self Measure Bottle is a Synthetic U/V Leak Detection Dye that is engineered to quickly find system leaks. It is detectable with any U/V light. It is conveniently designed for easy measuring, use 1-Ounce per vehicle.

## Features

- Includes Synthetic U/V Leak Detection Dye
- Offers to Quickly Find Cooling System Leaks
- Features a Formula that is Detectable with any U/V Light
- Use 1-Ounce Per Vehicle
- U/V Leak Detection Dye used to detect leaks in water cooled engines

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B008PKWEHY |
| Best Sellers Rank | #8,436 in Automotive ( See Top 100 in Automotive ) #24 in Air Conditioning Leak Detection Tools |
| Brand Name | TSI Supercool |
| Color | Purple |
| Compatible Material | Metal |
| Customer Reviews | 4.5 4.5 out of 5 stars (545) |
| Global Trade Identification Number | 00672264001743 |
| Included Components | TSI Supercool RD8 Radiator Dye, 8 oz (Self Measure Bottle) |
| Item Form | Liquid |
| Item Type Name | TSI Supercool RD8 Radiator Dye, 8 oz (Self Measure Bottle) |
| Item Weight | 0.6 Pounds |
| Manufacturer | TSI Supercool |
| Manufacturer Part Number | RD8 |
| Model Number | RD8 |
| Number of Items | 1 |
| UPC | 672264001743 |
| Unit Count | 1.0 Count |
| Warranty Description | manufacturer warranty |

## Product Details

- **Brand:** TSI Supercool
- **Color:** Purple
- **Compatible Material:** Metal
- **Item Form:** Liquid
- **Item Weight:** 0.6 Pounds

## Images

![RD8 Radiator Coolant Water Based U/V Leak Detection Dye (Self Measure Bottle), Purple, 8-Ounce Bottle - Image 1](https://m.media-amazon.com/images/I/51lTSxJELpL.jpg)

## Available Options

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

## Frequently Bought Together

- TSI Supercool RD8 Radiator Coolant Water Based U/V Leak Detection Dye (Self Measure Bottle), Purple, 8-Ounce Bottle
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- REALHUNLEE Air Conditioner UV Dye Leak Detector, Pro Auto Oil AC UV Dye Leak Test Detection Tool Kit 68 LED A/C UV Flashlight Detector with Protective Glasses

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**Shop now:** [https://www.desertcart.be/products/36519329-rd8-radiator-coolant-water-based-u-v-leak-detection-dye](https://www.desertcart.be/products/36519329-rd8-radiator-coolant-water-based-u-v-leak-detection-dye)

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-07-05*