---
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: "$66"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/36519329-rd8-radiator-coolant-water-based-u-v-leak-detection-dye
store_origin: NZ
region: New Zealand
---

# Detect leaks instantly with any U/V light Precise 1-ounce dosing per vehicle Vibrant purple dye for easy visibility RD8 Radiator Coolant Water Based U/V Leak Detection Dye (Self Measure Bottle), Purple, 8-Ounce Bottle

**Brand:** tsi supercool
**Price:** $66
**Availability:** ✅ In Stock

## Summary

> 🛠️ Spot leaks before they spot you – Stay cool, stay ahead!

## 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?** $66 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/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

- • **Compact & Ready-to-Use:** 8-ounce bottle fits neatly in your toolkit for on-the-go maintenance
- • **Precision Dosing Bottle:** Self-measure design ensures perfect 1-ounce application every time
- • **Universal U/V Compatibility:** Works seamlessly with any U/V light for instant diagnostics
- • **Leak Detection Made Effortless:** Synthetic U/V dye reveals cooling system leaks in seconds
- • **Engineered for Water-Cooled Systems:** Specifically formulated to protect and detect in metal cooling systems

## Overview

The TSI Supercool RD8 Radiator Coolant is a purple synthetic U/V leak detection dye designed for water-cooled engines. Packaged in an 8-ounce self-measure bottle, it allows precise 1-ounce dosing per vehicle and is detectable with any U/V light, enabling quick and accurate identification of cooling system leaks.

## 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 |
|---------------|-------|
| Color | Purple |
| Brand | TSI Supercool |
| Item Weight | 9.6 ounces |
| Item Form | Liquid |
| Compatible Material | Metal |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Manufacturer | TSI Supercool |
| Global Trade Identification Number | 00672264001743 |
| UPC | 672264001743 |
| Model | RD8 |
| Product Dimensions | 6.25 x 4 x 2 inches |
| Item model number | RD8 |
| Manufacturer Part Number | RD8 |

## Product Details

- **Color:** Purple
- **Brand:** TSI Supercool
- **Item Weight:** 9.6 ounces
- **Item Form:** Liquid
- **Compatible Material:** Metal

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

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-05*