These sending units are for use with all Sierra instruments which require them.Temperature Sending Units for all Sierra instruments, including Red International, Blue Vector, White Sportsman and Heavy Duty series. Order dual senders for two-gauge installations (e.g. one gauge in cockpit and one at the flying bridge).SpecificationsSender Code: DThread Size: 1/4"-18Terminal Type: 10-32 studRange: 240 Dual StationApplicationOEM Part NumberMedallionA-2618-2Stewart Warner362BD-DThe Sierra Engine Parts SelectorIn addition to temperature senders, we offer a wide variety of other engine parts manufactured by Sierra. To see if we have the part you need, see our Engine Parts Selector, where you can search by engine make, serial number and model or year of manufacture.