Dexter Electric Over Hydraulic System $1,764.95 For Disc Brakes Only. Rated Up To 1600PSI. You Will Need A Brake Controller In Your Truck. Dexter Electric Over Hydraulic System quantity Add To Order Form SKU: 1493 Categories: Actuators, Brakes, Hydraulic Related products 10″ Electric Brake Cluster (Right) $57.95 Part #:2073 Fits A 3,500Lb Rated Axle 5 Lug Drum. Add To Order Form 10″ Electric Brake Cluster (Left) $57.95 Part #:2074 Fits A 3,500Lb Rated Axle 5 Lug Drum. Add To Order Form 12″ Hydraulic Brake Cluster (Right) $114.95 Part #:2071 Comes Marine Coated. Add To Order Form 12″ Hydraulic Brake Cluster (Left) $114.95 Part #:2072 Comes Marine Coated. Add To Order Form