Silverado 2500 4WD V8-6.6L DSL Turbo (2010)
Diesel Emissions Fluid: Fluid Type Specifications
DIESEL EXHAUST AFTERTREATMENT SYSTEM
Diesel Exhaust Fluid (GM Part No. U.S. 88862659, in Canada 88862660) or diesel exhaust fluid that meets ISO 22241-1 and displays the API Diesel
Exhaust Fluid Certification Mark.