Shell Rotella Extended Life ELC Anti-Freeze + Coolant, Concentrate, 1 Gallon

Designed to provide complete protection of all cooling system components in heavy-duty diesel, gasoline, and natural gas powered engines Provides up to 600,000 miles on-road or 12,000 hours off-road coolant life without need of ELC Extender Provides improved water pump seal life due to low dissolved solid levels and protects against pitting and corrosion Offers reduced hard water scale and overall coolant and cooling component maintenance Compatible with conventional coolants; recommended to not dilute by more than 15% with conventional coolants or water Concentrate version mixes readily with water Meets or exceeds the following OEM requirements: Phosphate free requirement of European OEMs; silicate free requirement of Japanese OEMs; Detroit Diesel DFS 93K217; Volvo/Mack; Paccar; Deutz DQC CB-14; CAT EC-1; Cummins CES 14439; Navistar MPAPS B-1 (formerly Int CEMS B-1). Meets or exceeds the requirements of the following industry specifications: ASTM D3306, D4985, D6120; TMC RP 329, RP 338.