Your search for "radiator guard oil guard" revealed the following:
OEM Exhaust Bracket Screw Cover by Rizoma ZBW114
$96.00Rizoma parts are made in Italy to the finest quality standards. Motovation is your preferred USA distributor for the best...
GILLES TOOLING Rear brake fluid reservoir cover black for BMW, Ducati | BRC-07.b
$72.00This cover made from CNC-milled aluminium can be quickly and easily replaced with the original cover and improves the look...