Read CMC Marine's Warranty Policy Here Hydraulic Jack Plate Gauge Kit Fits all CMC Power Lift Hydraulic Jack Plate Models. Fits all T-H Marine Hydro-Jacker Hydraulic Jack Plate Models. Replacement / Optional hydraulic jack plate gauge kit: Gauge is sealed and drip proof and mounts in the dash of the boat. Provides safe and convenient height determination. Standard 2" gauge mount. The sending unit is completely sealed and waterproof. The up-down toggle switch is standard equipment. Safe and Convenient Position Indicator Dash Mount Gauge and Toggle Switch Weather Proof Gauge Fits All Hydro-JackerTM Models 2010 and later SKU Product Name Packaged 6077 Position indicator Gauge Kit 6077-DP