Recommended applications for weblube 209 Antifreeze/Coolant:

Heavy duty engines regardless of fuel type or environmental controls being used where the OEM recommends a nitrite free, silicate free coolant.Mixed fleets where automobiles, light duty trucks and heavy duty trucks are being serviced and the OEM recommends a nitrite free, silicate free product.Recreational vehicles where a nitrite free, silicate free product is recommended.

Some OEM’s require the use of nitrite in heavy duty engine applications