---
product_id: 306281825
title: "Mastercool 91049-128-4 Black/Yellow Flush Solvent, 4 Pack (1 Gallon)"
brand: "mastercool"
price: "HK$1155"
currency: HKD
in_stock: false
url: https://www.desertcart.hk/products/306281825-mastercool-91049-128-4-black-yellow-flush-solvent-4-pack
store_origin: HK
region: Hong Kong
---

# Fast evaporation Residue-free cleaning O-Ring safe formula Mastercool 91049-128-4 Black/Yellow Flush Solvent, 4 Pack (1 Gallon)

**Brand:** mastercool
**Price:** HK$1155
**Availability:** ❌ Out of Stock

## Summary

> 🧽 Flush out the old, power up your A/C like a pro!

## Quick Answers

- **What is this?** Mastercool 91049-128-4 Black/Yellow Flush Solvent, 4 Pack (1 Gallon) by mastercool
- **How much does it cost?** HK$1155 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/306281825-mastercool-91049-128-4-black-yellow-flush-solvent-4-pack)

## 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

- • **Safe on Seals:** O-Ring safe and non-corrosive to protect sensitive A/C parts
- • **Made in the USA:** Quality you can count on, supporting local manufacturing standards
- • **Deep Clean Power:** Effortlessly removes debris and sludge from A/C components for peak performance
- • **Quick-Dry Formula:** Evaporates rapidly to minimize downtime and speed up maintenance
- • **Professional Grade:** Trusted solvent-based solution designed for expert use and reliable results

## Overview

Mastercool 91049-128-4 is a professional-grade, solvent-based flush solvent designed to quickly and effectively remove debris and sludge from A/C systems. It evaporates fast, leaves no residue, and is safe for O-Rings, ensuring thorough cleaning without damage. Non-flammable and non-corrosive, this 4-pack of 1-gallon containers is made in the USA for trusted quality and performance.

## 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 |
|---------------|-------|
| Manufacturer | Mastercool |
| Brand | MASTERCOOL |
| Model | 91049-128-4 |
| Product Dimensions | 33.02 x 30.48 x 30.48 cm; 5.13 kg |
| Item model number | 91049-128-4 |
| Manufacturer Part Number | 91049-128-4 |
| Special Features | Residue Free |
| Item Weight | 5.13 Kilograms |

## Product Details

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

## Images

![Mastercool 91049-128-4 Black/Yellow Flush Solvent, 4 Pack (1 Gallon) - Image 1](https://m.media-amazon.com/images/I/71L3QRDcLUL.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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

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

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-24*