Find DEF

You Can Buy DEF Across North America

Diesel Exhaust Fluid (DEF) is a nontoxic fluid made up of purified water and automotive-grade urea. When combined with a selective catalytic reduction system (SCR), it will help you meet current EPA emissions regulations.

API-certified DEF is available at over 3,500 locations in North America from retail convenience stores and truck stops, to truck dealerships and engine/equipment distributors. You can buy it in containers ranging from 2.5 gallons jugs to bulk supplies delivered directly to pumping stations.

Learn more at the DiscoverDEF.com website.