Automatic Gas Nozzle DEF Gilbarco® - 21GU-050GU

Automatic Gas Nozzle DEF Gilbarco® - 21GU-050GU

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Designed for use WITH Mis-Filling Prevention Device

The Industry’s Most Comprehensive DEF-Filling Solution

  • End-to-end dispensing hardware solution for reliable, efficient DEF-filling
  • Industry standard DEF-filling solution in Europe
  • Unique Mis-Filling Prevention Device (MFPD) provides unparalleled filling assurance and peace of mind
  • Affordable mis-filling prevention insurance designed to protect your investment against potential mis-filling mishaps


  • Automatic Shutoff Feature shuts off nozzle when the tank is full.
  • Mis-filling prevention device eliminates the risk of accidental DEF filling or environmental contamination.
  • Spout with magnetic interface prevents mis-filling mishaps.
  • Durable streamlined nozzle design for easy, comfortable nozzle handling makes it easy to differentiate DEF products.
  • Total end-to-end affordable solution is a convenient and complete system from the Industry Leader.
  • Comes with Integral Contaminant-Prevention Filter; this replaceable, stainless steel, 40-mesh filter provides an added level of protection against DEF contaminants.
  • Outfitted in that familiar and unmistakable “DEF Blue” with slogan badge for instant product identification.

Maximum Pressure and flow rate

  • 40 psi (2.75 bar) maximum pressure.  
  • 10 gpm (37.8 lpm) maximum flow rate


  • Body: Special resin coated aluminum
  • Lever & Lever Guard: Duratuff®
  • Seals: Viton®
  • Inlet Size: M34 (adaptor required for each nozzle)
  • Weight: 2.41 lbs. each, 36 lbs./case of 15 1.1 kg each, 16.5 kg/case of 15