partsfan > part info
17902-41011
INSULATOR, EXHAUST MANIFOLD HEAT, NO.1
etc... 
Proper price
JPY 17,300 (excluding tax)
 
JPY 18,684 (including tax)
 
USD 155.70 (rate $1=¥120 , including tax)
PriceImageProduct TitleShop NameWebsite 
search part number.