Gast · Filter element
AK840A
FILTER/MUFFLER
Where to get it
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As printed in the source
11 FILTER / MUFFLER 1 AK840A AK840A [column 0323-101Q]
Fits 8 models
As listed by GastWhen ordering, give the model and serial number from the nameplate: some parts changed within a model’s life.
Where it sits
In the 0523-101-G588NDX
8 · Exhaust filters
- FILTER ASSEMBLYAB599
- CARTRIDGEAC393
- FILTER/MUFFLERAC432
- MUFFLER ELEMENT ASSEMBLYAC434-1
- FELTAK524
- FILTER/MUFFLERAK840
- FILTER/MUFFLERAK840A
- FILTER FELTB344A
- FILTER ASSEMBLYV400G
Our drawing of the machine type, with the 0523-101-G588NDX's own parts; this part is highlighted. Side view along the shaft. Oil-free (dry) pumps have no exhaust box oil, sight glass or oil filter; their exhaust filter is a dust filter.
In the manufacturer’s drawings
- Position 11 · Exploded viewO&M Manual: 23_OILFREE_70-290.pdf, p. 7
Part number, name and fitment as published by Gast (source), retrieved 2026-10-19. Vac & Air is independent and not affiliated with the manufacturers shown; names and numbers identify the parts only.