Moeller Sending Unit, Electrical, for 12" TO 24" Deep Tanks. Swingarm electric sending units gather fuel level information the same way as the mechanical sending units. It does however connect to a dash mounted gauge without a conversion capsule. They are also a DIY product, letting the consumer measure their tank depth and make theswingarm the correct length. Calibrated to 33-240 ohm's. An industry standard. Requires a dash mounted gauge. Includes 5-hole gasket.