Balmar Offshore Repair Kit AT Series 200AMP 12V Includes Bearings, Brushes, Rectifier

The Balmar Offshore Repair Kit AT Series 200AMP 12V is a comprehensive maintenance solution for high-output marine alternators operating in demanding saltwater environments. This kit delivers the core replacement components—bearings, brushes, and rectifier—needed to restore charging system performance when wear or corrosion compromises efficiency on extended offshore expeditions.

The 200-amp rating handles the substantial electrical demands of modern offshore fishing vessels and cruising sailboats, where redundant systems, navigation electronics, fish finders, autopilots, and refrigeration all compete for charging capacity. A failing alternator in open water creates risk: dead batteries mean no engine restart, no electrical navigation aids, and no communication systems. Balmar's AT Series alternators are engineered for marine duty with sealed construction that resists corrosion from salt spray and spray washdown. This repair kit provides the targeted components that typically degrade first—brush wear reduces output gradually, while rectifier failure causes immediate charging loss. Having OEM-spec replacement parts on hand eliminates improvisation during a voyage.

This kit suits captains and serious cruisers who prioritize system reliability and understand preventive maintenance. Weekend fishermen running day trips may defer rebuild work, but offshore operators and liveaboard cruisers benefit from keeping these components stocked before electrical issues strand them. The kit's compact packaging (6 x 4 x 6 inches, 0.9 lbs) fits easily in an engine-room locker or emergency repair bag without taking significant space.

Balmar AT Series alternators represent the marine industry standard for 12V high-output applications. This repair kit is manufacturer-specific, so verification of your exact alternator model and part number (70-AT-200) ensures compatibility before purchase. For installation or troubleshooting assistance, contact Balmar directly—this product does not qualify for return through TacticalSurplusUSA.