Facilitates spill-free Diesel Exhaust Fluid (DEF) replenishment, this funnel kit includes a specialized adapter that securely holds the funnel in place on 2011-2019 Duramax vehicles. The translucent funnel has a 6" (15.2 cm) opening for monitoring fluid levels and comes with a lid to prevent contamination during storage. Additionally, a 5" (12.7 cm) extension and 45° elbow provide access to hard-to-reach fill ports on side-fill vehicles.

Facilitates spill-free Diesel Exhaust Fluid (DEF) replenishment, this funnel kit includes a specialized adapter that securely holds the funnel in place on 2011-2019 Duramax vehicles. The translucent funnel has a 6" (15.2 cm) opening for monitoring fluid levels and comes with a lid to prevent contamination during storage. Additionally, a 5" (12.7 cm) extension and 45° elbow provide access to hard-to-reach fill ports on side-fill vehicles.