PRESTONE COMMAND HD COR GUARD NITRI

Concentrated antifreeze+coolant for all Class 1-8 heavy-duty and light-duty vehicles. Features Cor-Guard technology to prevent rust, corrosion, pitting, gunk, grime, and build-up, increasing uptime and reducing maintenance costs. Nitrite-free, provides excellent protection for aluminum and other engine metals, and eliminates the need for supplemental coolant additives. Meets OEM performance requirements: ASTM D6210, D3306, D4985, D7583; TMC RP338A, RP364; Cummins CES 14603, bulletin 3666132; Detroit Diesel 93K217; Cat EC-1. Mix with high-quality (distilled/deionized) water. Service life: 1,000,000 Miles/20,000 hours for Class 7-8 vehicles with wet sleeve liners.