---
product_id: 306281825
title: "91049-128-4 Black/Yellow Flush Solvent, 4 Pack (1 Gallon)"
brand: "mastercool"
price: "£525.03"
currency: GBP
in_stock: true
category: "Mastercool"
url: https://www.desertcart.co.uk/products/306281825-91049-128-4-black-yellow-flush-solvent-4-pack-1
store_origin: GB
region: United Kingdom
---

# Fast evaporation O-Ring safe formula Made in USA quality 91049-128-4 Black/Yellow Flush Solvent, 4 Pack (1 Gallon)

**Brand:** mastercool
**Price:** £525.03
**Availability:** ✅ In Stock

## Summary

> ⚡ Clean fast, flush smart — keep your A/C flawless!

## Quick Answers

- **What is this?** 91049-128-4 Black/Yellow Flush Solvent, 4 Pack (1 Gallon) by mastercool
- **How much does it cost?** £525.03 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/306281825-91049-128-4-black-yellow-flush-solvent-4-pack-1)

## Best For

- mastercool enthusiasts

## Why This Product

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

## Key Features

- • **O-Ring Friendly Formula:** Safe on seals, no damage guaranteed 🛠️
- • **Proudly Made in the USA:** Quality you can count on, made locally 🇺🇸
- • **Breaks Through Sludge Fast:** Flushes A/C components with lightning speed ⚡
- • **Zero Residue, Zero Worries:** Leaves no oily film for a pristine system 🧼
- • **Non-Flammable & Non-Corrosive:** Professional-grade safety you can trust 🔥🚫

## Overview

Mastercool 91049-128-4 Flush Solvent is a professional-grade, solvent-based cleaner designed to rapidly remove debris and sludge from A/C systems. It evaporates quickly without leaving residue, is safe for O-Rings, non-flammable, and non-corrosive. Made in the USA, this 4-pack of 1-gallon bottles ensures reliable, residue-free maintenance for automotive air conditioning components.

## Description

• Effectively removes debris and sludge from A/C components • Solvent-based • Evaporates quickly • Leaves no residue • For professional use • O-Ring safe • Non-Flammable • Non-Corrosive • Flush any A/C system • Made in USA

## Features

- Effectively removes debris and sludge from A/C components
- Solvent-based
- Evaporates quickly
- Leaves no residue
- O-Ring safe

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B015MXFVBC |
| Best Sellers Rank | #73,522 in Automotive ( See Top 100 in Automotive ) #143 in Automotive Air Conditioning Line Repair Tools |
| Brand Name | MASTERCOOL |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 4.3 4.3 out of 5 stars (112) |
| Global Trade Identification Number | 00700376112177 |
| Included Components | 4 - 1 gal plastic bottles |
| Item Form | Liquid |
| Item Volume | 512 Fluid Ounces |
| Manufacturer | Mastercool |
| Material Features | Unscented |
| Model Number | 91049-128-4 |
| Number of Items | 4 |
| Part Number | 91049-128-4 |
| Scent | Unscented |
| Size | 128 Fl Oz (Pack of 4) |
| Special Features | Residue Free |
| Specific Uses For Product | Air Conditioner |
| Surface Recommendation | Metal |
| UPC | 700376112177 |
| Unit Count | 512 Milliliters |

## Product Details

- **Brand:** MASTERCOOL
- **Item form:** Liquid
- **Material features:** Unscented
- **Scent:** Unscented
- **Specific uses for product:** Air Conditioner

## Images

![91049-128-4 Black/Yellow Flush Solvent, 4 Pack (1 Gallon) - Image 1](https://m.media-amazon.com/images/I/71GwIxtlDiL.jpg)

## Available Options

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

## Frequently Bought Together

- Mastercool 91049-128-4 Black/Yellow Flush Solvent, 4 Pack (1 Gallon)
- Mastercool 69900 "Mastercleanse Flush Machine, 1 Pack
- Mastercool 69925 Multiple Flushing and Leak Test Adapter Kit for Flush Machine, 1 Pack

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**Shop now:** [https://www.desertcart.co.uk/products/306281825-91049-128-4-black-yellow-flush-solvent-4-pack-1](https://www.desertcart.co.uk/products/306281825-91049-128-4-black-yellow-flush-solvent-4-pack-1)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-31*