Hi all. Ok recently cracked my crankcase cover on my 2004 wr450 Part number is 5tj-15411-10-00 so managed to find a breaker who Has one off a 2003 model part number 5tj-15411-00-00. And he Emailed me to say sdc-15tj00 is embossed on the inside of cover. As I have done a temp repair dont fancy taking cover again incase It totally breaks. So what im asking is what difference is there between Cases as they look the same on microfische. Otherwise ill have to buy A new one from states probably as cheaper over there then in uk. Dealers here want £130. Any advice much appreciated. Paul.