Arctic Cat, ECU assembly. This is a brand new genuine arctic cat part. Never installed on a snowmobile.

part #3006-671

This is the  SQUARE  code ECU

Fits the following arctic cat snowmobiles, 

• 2004 MOUNTAIN CAT 800 EFI GREEN 151 [S2004MCH5EUSG]
• 2004 MOUNTAIN CAT 800 EFI GREEN 159 [S2004MCH9EUSG]
• 2004 MOUNTAIN CAT 800 EFI RED 151 [S2004MCHE5USR]
• 2004 MOUNTAIN CAT 800 EFI RED 159 [S2004MCHE9USR]
• 2004 PANTERA 800 EFI BLACK [S2004PTHEFUSB]
• 2004 PANTERA 800 EFI GOLD [S2004PTHEFUSD]