• 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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