

❄️ Keep your engine cool, protected, and unstoppable on every mile!
Zerex HD Nitrite Free Extended Life Concentrate Antifreeze/Coolant is a premium, heavy-duty formula designed for diesel engines from top manufacturers like Cummins and Volvo. Featuring patented Organic Acid Technology, it prevents rust, scale, and corrosion while being silicate, amine, and borate-free to protect cooling system metals. This yellow concentrate mixes easily 50/50 with water and offers an industry-leading 10-year/1,000,000-mile guarantee, ensuring maximum engine longevity and performance under extreme conditions.





| Manufacturer | Valvoline |
| Brand | Zerex |
| Model | Extended Life Nitrite Free |
| Item Weight | 9.74 pounds |
| Product Dimensions | 7.38 x 3.83 x 12 inches |
| Item model number | 846439 |
| Manufacturer Part Number | 846439 |
| Special Features | SILICATE, AMINE, AND BORATE-FREE FORMULA keeps cooling system metals protected |
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