MasterGuard ArcticShield Marine Antifreeze -50HD™ is suitable for marine engines, both gasoline and diesel types. MasterGuard ArcticShield Marine Antifreeze -50HD™ is a high-quality extra-long-life cooling liquid designed for marine engines, offering superior protection against freezing in harsh marine environments with extremely cold temperatures. Formulated with propylene glycol and innovative corrosion inhibitors, it ensures optimal performance and longevity of boat engines. Uses carboxylate additive technology developed for highly effective system protection with maximum uptime in a wide range of operating conditions. This eco-friendly solution is non-toxic, making it safe for marine environments. Conforms to standards: ASTM D3306, ASTM D4985, ASTM D6210, SAE J1038, CAT EC-1, Cummins CES 14603, Detroit Diesel 7SE298, 93K217, Freightliner 48-22880, GM 1825/1899M/6277M, TMC RP329, Chrysler MS-7170, MS-9769, Ford WSS-M97B51-A1, WSS-M97B44-D, Mack Trucks CN H, 324.
MasterGuard ArcticShield Marine Coolant can also be used in boats and recreational vehicles (RVs), motorhomes, and caravans to protect the inboard engines, drinking water, and toilet systems against freezing.