---
product_id: 306281825
title: "91049-128-4 Black/Yellow Flush Solvent, 4 Pack (1 Gallon)"
brand: "mastercool"
price: "S/.4195"
currency: PEN
in_stock: true
reviews_count: 5
category: "Mastercool"
url: https://www.desertcart.pe/products/306281825-91049-128-4-black-yellow-flush-solvent-4-pack-1
store_origin: PE
region: Peru
---

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

**Brand:** mastercool
**Price:** S/.4195
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** 91049-128-4 Black/Yellow Flush Solvent, 4 Pack (1 Gallon) by mastercool
- **How much does it cost?** S/.4195 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/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

- • **Bulk Value Pack:** Four 1-gallon bottles to keep your workflow uninterrupted and efficient
- • **Swift & Spotless:** Evaporates quickly, leaving zero residue for a pristine A/C system
- • **Pro-Grade Protection:** Solvent-based yet O-Ring safe, ensuring component longevity without damage
- • **Powerful Debris Buster:** Effectively flushes out sludge and debris, restoring peak A/C performance
- • **Non-Flammable & Non-Corrosive:** Safe for professional use with peace of mind on every job

## Overview

Mastercool 91049-128-4 is a professional-grade, solvent-based flush solvent designed to rapidly remove debris and sludge from air conditioning components. It evaporates quickly without leaving residue, is O-Ring safe, non-flammable, and non-corrosive. Packaged in four 1-gallon bottles and proudly made in the USA, it’s the trusted choice for maintaining peak A/C system 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

Review: Cleans line set well - Used this on a new install from r22 to r32 and worked great. Left no residue and evaporated completely with vacuum.
Review: This is a detergent NOT a flush solvent ..! - This is a detergent NOT a flush solvent It kills a two ton ac in less than 10 minutes And the item is even NOT RETURNABLE!! angry

## 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 | #37,582 in Automotive ( See Top 100 in Automotive ) #90 in Automotive Air Conditioning Line Repair Tools |
| Brand | MASTERCOOL |
| Brand Name | MASTERCOOL |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 4.4 out of 5 stars 147 Reviews |
| Global Trade Identification Number | 00700376112177 |
| Included Components | 4 - 1 gal plastic bottles |
| Item Form | Liquid |
| Item Volume | 512 Fluid Ounces |
| Item form | Liquid |
| Item volume | 512 Fluid Ounces |
| Manufacturer | Mastercool |
| Material Features | Unscented |
| 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 |
| 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Cleans line set well
*by D***N on 28 August 2026*

Used this on a new install from r22 to r32 and worked great. Left no residue and evaporated completely with vacuum.

### ⭐ This is a detergent NOT a flush solvent ..!
*by M***Y on 16 May 2025*

This is a detergent NOT a flush solvent It kills a two ton ac in less than 10 minutes And the item is even NOT RETURNABLE!! angry

### ⭐⭐⭐ no de suivis inutile, ne donnes pas d’information de suivis
*by M***L on 17 July 2025*

Un no de suivis qui ne donne rien

## 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.pe/products/306281825-91049-128-4-black-yellow-flush-solvent-4-pack-1](https://www.desertcart.pe/products/306281825-91049-128-4-black-yellow-flush-solvent-4-pack-1)

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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-09-13*