Recommended for use in all makes and models of foreign and domestic passenger vehicles and light duty trucks; Contains a proprietary formulation of premium corrosion inhibitors that provide extended protection against rust, corrosion and pitting caused by cavitation for all coolant system metals; Provides excellent protection against temperature extremes, preventing freeze-up down to -37C and boil-over to 129C (with a 100 kilopascal {15 psi} radiator cap in good condition; Does not impart any colour change if mixed with another engine coolant; The superior performance and stability of the premium extended life corrosion inhibitors allows them to go on working well beyond the lifetime of traditional products; Guarantee: Up to 5 years or 250,000 km protection whichever comes first when added as initial fill or when added to a well maintained, clean coolant system after a complete drain, flush and fill; Meets the performance requirements of ASTM D3306 and JIS K2234.

HD EXPERT CLASSIC is a superior fully formulated traditional engine coolant based on a proprietary formulation of corrosion inhibitors; The low silicate level of this aluminum compatible product allows it to be used in automotive, light duty, heavy duty diesel and natural gas engine applications such as on-road truck, off-road and farm equipment; CLASSIC Conventional Diesel Recommended for use where a fully formulated heavy duty diesel coolant is required; This includes, but is not limited to, Caterpillar, Cummins, Detroit Diesel, Ford, Freightliner, GM, International Truck and Engine, Kenworth, Paccar, Peterbilt, Volvo Mack and Western Star; Protects heavy duty diesel wet sleeve liners; Phosphate and amine free; Meets the performance requirements of ASTM D3306, D4985, D6210; AS/NZS 2108.200 Type A; Caterpillar (other than EC-1); Cummins 3666132; DDC 2987SE, 93K217; GB 29743-2013; GM 1825M, 1899M, TMC RP329B.