Overview
Hot Shot’s Secret 150K 50/50 Yellow Antifreeze (1 Gallon) is a ready-to-use, pre-mixed coolant designed for long-lasting protection and compatibility across a wide range of vehicles. Its advanced hybrid organic acid technology (HOAT) formula, combined with nitrite, provides robust corrosion protection for all common cooling system metals, including aluminum, steel, copper, brass, iron, and solder. Engineered for extended performance, it offers up to 150,000 miles or 5 years of reliable cooling system protection. The formula is free from silicates, phosphates, borates, and nitrates, ensuring excellent long-term stability without forming scale or deposits. It’s compatible with both conventional and extended-life coolants, making it safe to top off or replace existing fluids without causing precipitation or system issues. Additionally, it meets or exceeds major industry and OEM standards, making it suitable for use in passenger cars, light trucks, heavy-duty vehicles, and equipment, all without risking your manufacturer’s warranty.
Features
- Pre-mixed 50/50 solution – ready to use, no dilution required
- Provides extended protection up to 150,000 miles or 5 years
- Formulated with Hybrid Organic Acid Technology (HOAT) and nitrite for advanced corrosion protection
- Protects all major cooling system metals: aluminum, steel, copper, brass, iron, and solder
- Free of silicates, phosphates, borates, and nitrates for improved long-term stability
- Compatible with conventional and extended-life coolants – safe to mix without causing system issues
- Helps prevent scale buildup, deposits, and corrosion in the cooling system
- Meets or exceeds key industry standards: ASTM D3306, D4985, D6210; SAE J1034, J1038
- Approved for use in heavy-duty and OEM applications (e.g., GM, Cummins, Caterpillar)
- Will not void manufacturer warranties when used as directed
- Ideal for passenger vehicles, light trucks, heavy-duty engines, and off-road equipment