--- product_id: 213369648 title: "Mastercool 91049-128-4 A/C Flush Solvent, 4-Pack 1 Gallon — Professional Automotive & HVAC/R System Flush — Solvent-Based, Fast-Evaporating, Leaves No Residue, Non-Flammable, Made in USA" brand: "mastercool" price: "1936 zł" currency: PLN in_stock: true reviews_count: 10 category: "Mastercool" url: https://www.desertcart.pl/products/213369648-mastercool-91049-128-4-a-c-flush-solvent-4-pack store_origin: PL region: Poland --- # Fast-evaporating formula O-ring safe & multi-system compatible Non-flammable & non-corrosive Mastercool 91049-128-4 A/C Flush Solvent, 4-Pack 1 Gallon — Professional Automotive & HVAC/R System Flush — Solvent-Based, Fast-Evaporating, Leaves No Residue, Non-Flammable, Made in USA **Brand:** mastercool **Price:** 1936 zł **Availability:** ✅ In Stock ## Summary > 🧊 Keep your A/C chill and flawless with Mastercool’s pro-grade flush! ## Quick Answers - **What is this?** Mastercool 91049-128-4 A/C Flush Solvent, 4-Pack 1 Gallon — Professional Automotive & HVAC/R System Flush — Solvent-Based, Fast-Evaporating, Leaves No Residue, Non-Flammable, Made in USA by mastercool - **How much does it cost?** 1936 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/213369648-mastercool-91049-128-4-a-c-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 - • **Shop-Safe Formula:** Non-flammable and non-corrosive for worry-free professional use - • **Flexible Bulk Options:** Available in multiple pack sizes to fit any shop’s workflow - • **Zero Residue Guarantee:** Evaporates quickly leaving no contaminants behind - • **Seal-Friendly Chemistry:** O-ring safe, compatible with R134a, R1234yf, R12, R22 & R410a systems - • **Precision Clean Every Time:** Flushes out oil, sludge & debris for peak A/C performance ## Overview Mastercool 91049-128-4 A/C Flush Solvent is a professional-grade, solvent-based cleaner designed for automotive and HVAC/R A/C systems. It rapidly evaporates without leaving residue, is non-flammable and non-corrosive for safe shop use, and is formulated to protect O-rings and seals across multiple refrigerant types. Available in convenient 4-pack gallon sizes, it ensures thorough system cleaning before recharge or repair, backed by over 40 years of trusted American manufacturing. ## Description OverviewMastercool A/C Flush Solvent is a professional-use solution designed to clean and flush automotive A/C systems. It helps remove debris and sludge from A/C components, supporting proper system performance before recharge or repair.Key FeaturesThe solvent-based formula evaporates quickly and leaves no residue, helping technicians perform efficient and clean service work. It is formulated to be O-ring safe and is designed for use on A/C system components. Multiple size and pack options allow technicians and shops to choose the right quantity based on service needs.Why MastercoolMastercool has been a trusted name in automotive A/C service tools and equipment for decades. This flush solvent reflects that commitment by delivering practical, technician-focused performance with consistent product quality. Manufactured in the USA, it provides a dependable solution for A/C system maintenance.Technical SpecificationsProduct Name: A/C Flush Solvent Brand: Mastercool Application: Automotive A/C system flushing Formula Type: Solvent-based Performance: Evaporates quickly; leaves no residue Material Compatibility: O-ring safe Country of Origin: USAAvailable Configurations: 91049-32 – 32 oz 91049-32-6 – 6 pack of 32 oz 91049-128 – 1 gallon 91049-128-4 – 4 pack of 1 gallon Review: Works Fine - I just flushed the lines and front Evap Core from a 2010 Dodge Grand Caravan. Fluid cleans well and evaporates fast. Evap Core was plugged, this flush broke through the plug very quickly. I didn't get any residual oily film like other users have reported. It did the job it's designed to do and did it well. Review: It works - Worked very well and saved money on the gal. Size ## Features - ✔️ PROFESSIONAL A/C SYSTEM FLUSH — AUTOMOTIVE & HVAC/R — Designed specifically for professional technicians to thoroughly clean A/C system components before recharge or repair. Effectively removes refrigerant oil, debris, and sludge from hoses, condensers, and evaporators. For professional use only. Do not flush compressors, expansion valves, orifice tubes, filter driers, or accumulators. - ✔️ NON-FLAMMABLE & NON-CORROSIVE — SAFE FOR SHOP USE — Solvent-based formula is non-flammable and non-corrosive, making it safe for use in professional shop environments where ignition sources are present. Compatible with the Mastercool 91046-A A/C System Flush Kit — do not use with CFC-based or flammable flush solvents. - ✔️ FAST-EVAPORATING — LEAVES NO RESIDUE — Evaporates quickly after flushing, leaving no residue behind to contaminate the freshly serviced system. Helps ensure a clean internal system path before recharge, reducing the risk of compressor failure or system contamination after service. - ✔️ O-RING SAFE FORMULATION — Formulated to be compatible with A/C system O-rings and seals, reducing the risk of seal damage during the flushing process. Suitable for use with R134a, R1234yf, R12, R22, and R410a systems. - ✔️ MULTIPLE SIZE & PACK OPTIONS — RIGHT QUANTITY FOR ANY SHOP — Available in 32 oz. single, 6-pack of 32 oz., 1 gallon single, and 4-pack of 1 gallon — giving individual technicians and high-volume shops the flexibility to buy the right quantity for their service needs. Use with the Mastercool 91046-A A/C System Flush Kit hardware (sold separately). - ✔️ DISPOSE PROPERLY — FOLLOW ALL APPLICABLE REGULATIONS — After flushing, dispose of used flush solvent, oil, and debris in accordance with local, state, and federal environmental regulations. After completion, flush material must be disposed of in accordance with State, Local and Federal Laws regarding chemical disposal. - ✔️ MADE IN USA BY MASTERCOOL — OVER 40 YEARS OF PROFESSIONAL QUALITY — Manufactured in the USA by Mastercool, a family-owned company that has been supplying professional A/C service tools and equipment to automotive and HVAC/R technicians for over 40 years. Backed by U.S.-based customer service and technical support. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B015MXFVBC | | Best Sellers Rank | #27,778 in Automotive ( See Top 100 in Automotive ) #87 in Air Conditioning Oils | | Brand Name | Mastercool | | Contains Liquid Contents? | Yes | | Customer Reviews | 4.2 4.2 out of 5 stars (115) | | Global Trade Identification Number | 00700376112177 | | Included Components | 4 - 1 gal plastic bottles | | Item Form | Wipe | | Item Volume | 512 Fluid Ounces | | Manufacturer | Mastercool | | Material Features | Unscented | | Number of Items | 4 | | Scent | Unscented | | Special Features | Residue Free | | Specific Uses For Product | Air Conditioner | | Surface Recommendation | Metal | | UPC | 700376112177 | | Unit Count | 512.0 Fluid Ounces | | Warranty Description | 1 year | ## Product Details - **Brand:** Mastercool - **Item Form:** Wipe - **Material Feature:** Unscented - **Scent:** Unscented - **Specific Uses For Product:** Air Conditioner ## Images ![Mastercool 91049-128-4 A/C Flush Solvent, 4-Pack 1 Gallon — Professional Automotive & HVAC/R System Flush — Solvent-Based, Fast-Evaporating, Leaves No Residue, Non-Flammable, Made in USA - Image 1](https://m.media-amazon.com/images/I/71GwIxtlDiL.jpg) ![Mastercool 91049-128-4 A/C Flush Solvent, 4-Pack 1 Gallon — Professional Automotive & HVAC/R System Flush — Solvent-Based, Fast-Evaporating, Leaves No Residue, Non-Flammable, Made in USA - Image 2](https://m.media-amazon.com/images/I/81fEWTLIjCL.jpg) ![Mastercool 91049-128-4 A/C Flush Solvent, 4-Pack 1 Gallon — Professional Automotive & HVAC/R System Flush — Solvent-Based, Fast-Evaporating, Leaves No Residue, Non-Flammable, Made in USA - Image 3](https://m.media-amazon.com/images/I/81DnmTc6UzL.jpg) ![Mastercool 91049-128-4 A/C Flush Solvent, 4-Pack 1 Gallon — Professional Automotive & HVAC/R System Flush — Solvent-Based, Fast-Evaporating, Leaves No Residue, Non-Flammable, Made in USA - Image 4](https://m.media-amazon.com/images/I/81CkMaK+NTL.jpg) ![Mastercool 91049-128-4 A/C Flush Solvent, 4-Pack 1 Gallon — Professional Automotive & HVAC/R System Flush — Solvent-Based, Fast-Evaporating, Leaves No Residue, Non-Flammable, Made in USA - Image 5](https://m.media-amazon.com/images/I/81ywg+s+YyL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works Fine *by K***S on June 13, 2022* I just flushed the lines and front Evap Core from a 2010 Dodge Grand Caravan. Fluid cleans well and evaporates fast. Evap Core was plugged, this flush broke through the plug very quickly. I didn't get any residual oily film like other users have reported. It did the job it's designed to do and did it well. ### ⭐⭐⭐⭐⭐ It works *by J***. on January 8, 2025* Worked very well and saved money on the gal. Size ### ⭐⭐⭐⭐⭐ great product, poor delivery *by B***D on January 1, 2024* great product, poor delivery, this stuff is basically alcohol and acetone with some other chemicals..., delivery gave it upside down and lost 1/4 that destroyed the box and neighbors in this complex didn't appreciate it, but not this company's fault, just the inept driver... ## 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.pl/products/213369648-mastercool-91049-128-4-a-c-flush-solvent-4-pack](https://www.desertcart.pl/products/213369648-mastercool-91049-128-4-a-c-flush-solvent-4-pack) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-08*