For Sale is a New Old Stock McCulloch oil cap. 

This should fit many McCulloch chainsaw models including but not limited to,

McCulloch 250, 200, 300, 380
McCulloch 1-43, 1-41, 1-42, 1-45, 1-46
McCulloch 1-51, 1-52, 1-53
McCulloch 450
McCulloch 550
McCulloch Super Pro 125 105 and CP 125

Please ask if you have any questions about the application.