Prestone Command DEF, 1 Gallon

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, 1 Gallon: 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