||*1 = Tubing included with mechanical gauge kits above. Part number suffix = tubing length (inches) included with gauge (e.g. -72 = 72” tubing.) Warning: The tubing on mechanical temperature gauges is gas-filled and cannot be field-altered without damaging the gauge. *2 = Marine version includes additional corrosion protection. For other sending unit options, please see Temperature Sender section. 12V or 24V light kits are sold separately. These are available for 5/8” and 1/2” light holes, in single-wire (grounds to gauge case) or two-wire (when ground cannot be made via gauge case) configurations. Please see Accessories section for available light kits. For panel kits and other options, please see Accessories section.