Add Diesel Exhaust Fluid (DEF)

Diesel exhaust fluid (DEF), a urea-based liquid, added to the emissions system tank. This chemical reacts with nitrogen oxides in the exhaust to convert them into harmless nitrogen and water, meeting emissions standards.

Estimated Cost

$18–$50🔒

Parts + labor, based on the parts this service typically requires. Not specific to your vehicle or region — this spans all vehicles, all regions, and all part grades, so treat it as a rough ballpark rather than a quote.

Parts Involved

Diesel Exhaust Fluid (DEF) (Required) →