VDO ALAS I Adjustable Fuel Sender - 6 to15-3/4" - 240-33 Ohm [226-163]ALAS I Adjustable Fuel Sender 6 to15 3 4" 240 33 Ohm For a more economical and practical solution for fuel monitoring for tank depths, VDO ALAS I 12 24 V fuel senders are definitely on the level! These fuel senders are engineered with a redundant dual wiper system and a unique "quiet arm" (minimizes float movement). The slotted SAE 5 hole flange mount provides versatility for sender mounting options, and the stainless steel float arms and pivot adjust