ACDelco 10-4023 Diesel Exhaust Emissions Reduction (DEF) Fluid, 2.5 Gallon $200+ 2nd Layer - Electrostatically charged

2nd Layer - Electrostatically charged microfiber layer attracts and holds elusive smaller particles

Audi Q3 (2023)

Ford F59 (2021-2020

BMW 840i Gran Coupe (2022-2020)

making it ideal for creating tough bonds above and below the water line

ACDelco 10-4023 Diesel Exhaust Emissions Reduction (DEF) Fluid, 2.5 Gallon $200+ 2nd Layer - Electrostatically chargedFEATURES Meets GM Original Equipment specifications to be approved for use in GM vehicles as well as in non GM diesel vehicles that have an SCR (Selective Catalytic Reduction) system to meet regulated NOx emissions (Based on EPA certification testing. Your actual emissions will vary based on several factors including temperature, terrain, and driving conditions). High quality formula is made from high purity urea and deionized water. Meets API