Gast · Silencer / muffler
AJ121F
Muffler (R4H, R6, R6P, R6PS, SDR6P, SDR6)
Where to get it
No supplier lists this number with us yet. Ask for a quote and a specialist finds price and availability for you.
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As printed in the source
| AJ121F | Muffler (R4H, R6, R6P, R6PS, SDR6P, SDR6) (read by Claude, checked against the page)
Fits 25 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 R1102K-01
5 · Silencers
- MUFFLER BOXAJ104GA
- MUFFLER BOXAJ104K
- MUFFLER BOXAJ104MP
- MUFFLER EXTENSIONAJ106A
- MUFFLER EXTENSIONAJ106BQ
- MUFFLER EXTENSIONAJ106CQ
- MUFFLER EXTENSIONAJ106DQ
- MUFFLER EXTENSIONAJ106EQ
- MUFFLER EXTENSIONAJ106FR
- Muffler (R1, R2)AJ121B
- Muffler (R3)AJ121C
- Muffler (R4, SDR4, R4P, R5)AJ121D
- Muffler (R4H, R6, R6P, R6PS, SDR6P, SDR6)AJ121F
- Muffler (R7, R7S)AJ121G
- Muffler (R6PP, R9 Exhaust)AJ121H
Our drawing of the machine type, with the R1102K-01's own parts; this part is highlighted. Side view along the shaft: the impeller runs in the open channel of the housing, closed by the cover.
Part number, name and fitment as published by Gast (source), retrieved 2026-10-20. Vac & Air is independent and not affiliated with the manufacturers shown; names and numbers identify the parts only.