AdBlue funnel for Range Rover L405 Hands Free
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This large capacity funnel makes filling the Range Rover tank quick and splash free.
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Model information
- Source
- Printables
- Category
- Automotive
- License
- Creative Commons — Attribution — Noncommercial
Uploaded 18th April 2026
Filling into the small 18mm tank opening can create a lot of overspill from non OE AdBlue containers. This funnel is designed specifically for my L405 Range Rover (though I believe it'll work for the Sport also) and sleeves over the filler tube while sitting on the adjacent air intake making it a very stable hands free filling platform.
The funnel has a decent capacity (roughly 1/2 litre) with 3mm drain holes to catch any large debris but still allow for reasonably rapid filling. The gravity flow rate from the funnel into the tank has been measured at 2 litres/min.
The funnel has an air escape vent tube built in to prevent glugging ensuring a quick clean fill. You can hear when the tank is nearing capacity as the fluid reaches the tank fill tube below the funnel. The AdBlue tank capacity is roughly 18 litres.
A pouring jug (1.7l capacity) is also included for anyone not wishing to pour from a full larger 10l AdBlue pack as it is preferable to keep hold of the pouring tube whilst tipping the container which can be heavy for some people to support one handed, especially when full.
Funnel printed in PLA (or PETG). 0.2mm Layer. Supports - tree with 0.3mm top gap for ease of removal. Brim 10mm with 0.2mm gap. Walls - 3 to add rigidity. Infill 25%. Jug 0.2mm layer, no support.