Prestone Command Nitrited Extended Life (ELC) Antifreeze and Coolant, Prediluted, 1 Gallon, Pack of 6
- Compatible with any heavy duty antifreeze in any diesel-powered commercial vehicle.
- Protects against temperature extremes, rust, corrosion, scale, and premature water pump failure.
- Long-lasting silicate-, phosphate-, and borate-free formulation.
- Protects aluminum and all other engine metals.
- No dilution necessary, 50/50 formula is convenient for top-offs.