Genuine Coleman pump cup and back up plate to fit pump assembly on all Coleman stoves and lantern fuel tanks. (Except Northstar)
Coleman part no. 216A5091
Posted by overland-guide on 3rd Mar 2010
If you have a Coleman Lamp/Stove that uses this type of pump you need to carry a spares kit!
The pumps tend to dry out if not stored with a good amount of fuel in the tank.
You can refill and wait for the seal/cup to soak to get it working again (good to try if you are in a muddle).