WARRANTY

THE HD EXPERT GUARANTEE

We stand behind every product with the HD Expert^TM Guarantee–comprehensive coverage for parts and fluids throughout the entire service life of any one of our engine coolants. Coolant circulates through the engine block, in touch with critical componentry. HD Expert is formulated to provide heavy duty engines with superior corrosion protection.

ANTIFREEZE WARRANTY
DEF WARRANTY

YOUR WARRANTY STANDS

HD Expert formulations are engineered to deliver performance and protection that meets or exceeds the requirements of major engine manufacturers. By following the manufacturer’s recommended practices, schedules and specifications, your OEM warranty is protected by law regardless of what brand of automotive fluids you use to service your fleet.

ARE YOU COVERED?

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