Part Number: 145-73800-403 (Upper shroud flap assembly)Part Number: 145-73800-404 (Upper shroud flap assembly)Part Number: 145-73800-405 (Upper shroud flap assembly)Part Number: 145-73800-406 (Upper shroud flap assembly)Part Number: 145-73800-407 (Upper shroud flap assembly)Part Number: 145-73800-408 (Upper shroud flap assembly)Part Number: 145-73800-413 (Upper shroud flap assembly)