Welch · Cover
S3164-99
Anti-Suck Back Cover
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
22 | Anti-suck back Cover | 1 | S3164-99
Fits 2 models
As listed by Welch| Model | Source |
|---|---|
| CRVpro 16 | operation manual crv pro 16 24 30, p. 41 |
| CRVpro 48 | manual crvpro 48 65 gm 6 16 2020, p. 42 |
When ordering, give the model and serial number from the nameplate: some parts changed within a model’s life.
Where it sits
In the CRVpro 16
9 · Exhaust box / oil reservoir
- Clamping cover705548-06
- Pump CoverS3131-99
- Rear CoverS3138-99
- Oil coverS3148-99
- Anti-Suck Back CoverS3164-99
Our drawing of the machine type, with the CRVpro 16'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 22 · Exploded viewmanual crvpro 48 65 gm 6 16 2020, p. 40
- Position 33 · Exploded viewoperation manual crv pro 16 24 30, p. 16
Part number, name and fitment as published by Welch (source), retrieved 2026-10-19. Vac & Air is independent and not affiliated with the manufacturers shown; names and numbers identify the parts only.