Honda Genuine Brake Drum Adjuster Plug fits all TRX quads.

Red rubber plug fits into brake drum adjuster hole

FITS:

All Honda Quads

TRX250 Red Brake Drum Plug

TRX300 Red Brake Drum Plug

TRX350 Red Brake Drum Plug

TRX400 Red Brake Drum Plug

TRX420 Red Brake Drum Plug

TRX450 Red Brake Drum Plug

TRX500 Red Brake Drum Plug

TRX520 Red Brake Drum Plug

TRX650 Red Brake Drum Plug

TRX680 Red Brake Drum Plug

Honda Genuine OEM number 44602-HM5-A10