Cummins Filtration's new Fleetguard ES Compleat Glycerin is a heavy duty engine antifreeze/coolant using non-toxic glycerin in lieu of traditional ethylene glycol or propylene glycol.

Glycerin is derived from renewable sources and is the primary byproduct of the biodiesel manufacturing process. "We take environmental responsibility very seriously at Cummins Filtration. Being able to support sustainability with a glycerin coolant that also offers excellent protection is very important to our mission," said Mike Sarris, director of global coolants and chemicals for Cummins Filtration.

Cummins Filtration conducted extensive testing and field trials to approve glycerin as the base for this new coolant. All tests confirmed that ES Compleat Glycerin prediluted coolant provides the anti-freeze, anti-boil, heat transfer and corrosion protection required of today's fully formulated, heavy duty antifreeze/coolant. The new formula also meets or exceeds the performance specifications of all heavy duty engine OEMs, including Cummins CES 14603.

With extended service intervals of 150,000 miles, ES Compleat Glycerin offers freeze protection to minus 32 degrees and offers liner pitting, corrosion, aluminum and solder protection for longer system life. The coolant is compatible with gaskets, elastomers and other non-metallics in the engine and is suitable for all diesel, gasoline and natural gas engines.

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