Check the listing for details. MEP-831A Governor Control Module Replaces SLC100, 98-19539, NSN 2990-01-477-1371. Condition: New. Listed at 220.00 USD. Replacement Governor Controller Module for SLC100 Part Numbers NSN 2990-01-477-1371, 98-19539 Used in MEP-831A & MEP-832A Generators The controller is a custom designed replacement for the 98-19539 Governor Controller NSN 2990-01-477-1371. This replacement Governor Controller will correct generator surging, wide open throttle operation and inability to adjust your existing due to a failure of the original MEP-831A SLC100 Governor Controller (A5). The new Governor Controllers are computer controlled and custom programmed for precise operation and eliminate ALL the tedious adjustments of the old SLC100. Simply remove your defective SLC100 Governor Controller (A5), swap this new controller in and run. No adjustments! Each new controller is conformally coated to seal out moisture. Prior to shipment each new Governor Controller is tested in a MEP-831A under varying loads to assure precise operation and a defect free unit. Detailed Installation Instructions and Wire Labels are included to facilitate swapping in the new controller. Customer support provided to assist with installation. Returns accepted within 30 days. Click on "See Other Items" to see the variety of MEP Generator supplies and accessories available!