Add to Cart Dometic Seastar Seastar HC5380-3 Splashwell Mount 125-9 Hydraulic Marine Cylinder MSRP: $943.97 $749.97 Seastar HC5380-3 Splashwell Mount 125-9 Hydraulic Marine Cylinder (Replaces HC5380 - Updated ORB Fittings) The Seastar (HC53803) Splashwell Marine Hydraulic Mount Cylinder is a light duty alternative to side and front mount cylinders. View the order... HC5380-3 MSRP: $943.97 $749.97 Add to Cart