Senders
Pressure Sending Units
All Classic temperature gauges require the correct Sender Unit from Classic Marine Instruments. Senders are available in standard threads: 1/2", 3/8", 1/4", and 1/8" NPT self-sealing tapered threads to fit most stock or aftermarket intake manifolds. The Oil Pressure Sender base thread is standard 1/8"-27 NPTF, anodized steel bell-case or optional chrome-plated. Pressure-tested to 300 PSI and available in 100 PSI (240-33 Ohm).

	Pressure Sending Units
	All Classic temperature gauges require the correct Sender Unit from Classic Marine Instruments. Senders are available in standard threads: 1/2", 3/8", 1/4", and 1/8" NPT self-sealing tapered threads to fit most stock or aftermarket intake manifolds.

Fuel Tank Sending Units
Several tank senders are manufacturerd to conform to most OEM (original equipment manufacturers) electrical resistance specifications. Classic also assembles many of its fuel gauges to read correctly when connected to the original or stock tank sender.	0- 0- 75- 16- 90- 240-	30 90 10 158 0 33	Ohms  Ohms  Ohms  Ohms  Ohms  Ohms

The Deluxe Fuel Pick-Up Tube Sender features a stainless-steel mounting plate and 3/8" OD (outside diameter) x 13" long stainless pick-up tube (shorten or extend to match your own tank depth). It includes a cork gasket, five self-sealing mounting screws, and instructions. It is designed with new heavy-duty flat-card technology resistance movement for greater accuracy, reliability, long-operating life and resistance to road-vibrations. The sensor housing easily rotates a full 360 degrees on the stainless pick-up tube to position the float in any direction to clear internal tank baffles, side of tank, vent lines, etc. The Deluxe Model is available only with the aftermarket standard 240-33 Ohm Heavy-Duty Sensor movement at this time.

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