Replaceable for plastic or aluminum housing (both half moon and rectangle type with same installation hole spacing) AVR in 5~9kw generators. Compatible with Harbor Freight Predator 5500, 6500, 7250, 9000, 7000, 8750, 9500, Chicago 6500, 7000, Pulsar 6000. Fits Honda Generators EB3500X, EB5000X, EG3500X, EG5000X, 32350-ZB4-632. Replaces Generac, Honeywell models 0H2579B, 0G99240101, GP5500, GP6500, GP6500E, GP7500E, GP8000E, XG7000, XG8000E, XG6500, XP6500E, XT8000E. Suitable for Firman 6500 through 8500, models P05706, PO6702, PO6001, P05701, P06701, P05700, ECO9000E. Works with Westinghouse 5500 through 7000, WGen6000, WGen5500, WH5500, WH5500C, WH6500, WH6500C. Compatible with Champion 5500 to 9200 watt gas or dual fuel generators, models 41030, 41119, 41135, 41570, 41534, 41553, 100153, 100165, 100485, 41430, 41537, 100462, 100248, 100538, 100110, 100155, 100704, 100693, 100463, 100219, 41533, 41302, 100247, 100340, 100452, 100109, 201073, BD100619 (part numbers: 153.190200.03, TD1431-C03-0100, etc.). Also compatible with Duromax XP8500EH, XP8500E, Dewalt Sportsman 8000, 9000 watt 801806, Honeywell 5500, 6875 watt 6036, 6151, Raven Ryobi 5500, 6500 GEN6500E, Togo Power GG8000, Tomahawk 7000, 7500.