Coolants

PURUS® Heavy Duty Extended Life Antifreeze/Coolant for use and compatible with nitrited heavy duty Extended Life (NOAT) antifreeze/coolant in diesel powered truck, farm, off-road, and marine engines with aluminum and other engine metals. Meets performance requirements of CAT EC-1.

Also popular is the PURUS® Heavy Duty Nitrite-Free Extended Life Antifreeze/ organic Acid Technology (OAT), ethylene glycol-based fluids that meets nitrite-free coolant requirements of many industry-leading OEMs for extended service life as well as no phosphates, silicates, amines or borates.

PURUS® Heavy Duty Pre-Charged Antifreeze/Coolant is a premium quality, conventional technology ethylene glycol-based fluid formulated with industry-leading additives to provide optimum performance in heavy duty vehicles requiring supplemental coolant additives (SCAs).