Prestone Command® Diesel Exhaust Fluid (DEF) 2.5 gal.

Prestone Command Diesel Exhaust Fluid (DEF) is formulated with high quality urea and water for use in ALL selective catalytic reduction (SCR) diesel engines.

Prestone Command Diesel Exhaust Fluid (DEF) is formulated with high quality urea and water for use in ALL selective catalytic reduction (SCR) diesel engines Prestone Command DEF is a non-toxic solution of 67.5% water and 32.5% automotive-grade urea It is a stable fluid that is colorless and odorless Prestone Command DEF is also certified by the American Petroleum Institute