Used cooling fan mounting boss, key and mounting bolts from a Honda HT3813. Fits the HT3813 and no others I know of. Not available new. MULTIPLE PICTURED, SOLD EACH.

BOSS, COOLING FAN (NOT AVAILABLE)
19042-750-800

BOLT, FLANGE (6X16)
95701-06016-08

KEY (7X7X23) (NOT AVAILABLE)
75184-750-000