This auction is for a NOS vintage Polaris snowmobile primer kit. This was actually an update for some Polaris snowmobiles in the late 60's (1968...service bulletin # 8). 

The part numbers on these parts is 3006035 for the bulb or button, 3160105 for the T fitting and  3160104 for the check valve. 

If there are any questions about this item, feel free to email me. Thanks