MSR Pump Plunger
Replacement Pump Plunger Assembly for non-Duraseal Pumps with grey bodies made after 1984.
This was standard from 2002 - 2003 (318638F) - originally this had a leather washer but now has a rubber one.
It fits all old (non-Duraseal) pumps that are grey in colour. If your pump is non-Duraseal it will have a solid knurled on/off knob. Will not fit earlier pumps.
The Plunger Assembly is the whole plunger unit including Pump Cup Washer, complete with a new one piece collar that holds it into the stove. The plungers are common to all stoves, ie a DragonFly, XGK, and WhisperLite of the same vintage take the same plunger.
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