A04-35189-002 | Genuine Freightliner® 13-Gallon Diesel Exhaust Fluid Tank With Def HeaderDescription: 13 Gallon Diesel Exhaust Fluid Tank With Def Header Condition: New Brand: Freightliner Part Number: A04 35189 002, A0435189002, A04 35189 002 Weight: 29 lbs Fit for: Freightliner Functions: Diesel exhaust fluid (DEF) storage: This tank serves as a reservoir for Diesel Exhaust Fluid (DEF), a non toxic, non flammable urea based solution. DEF is essential for the proper operation of the SCR system. Emission reduction: By providing DEF to the