The adapter securely holds the funnel in place for safe and spill-free filling on 2011 to 2019 Duramax Vehicles. Also Works on Side Fill Vehicles.
- Translucent funnel with 6" opening provides a visual check to see fluid levels when filling tank.
- Includes 5" extension and 45° elbow for hard-to-reach DEF fill ports.
- Lid to keep contaminants out as well as storage for parts.
- Important: DEF is corrosive for some metallic surfaces.
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