Welch · Piston
S3165-99
Anti-Suck Back Piston
Manufacturer’s part number
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.
Prices are the supplier’s own, as last checked (date shown); they buy and ship. A price older than 30 days isn’t shown.
As printed in the source
17 | Anti-suck back Piston | 1 | S3165-99
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.
In the manufacturer’s drawings
- Position 17 · Exploded viewmanual crvpro 48 65 gm 6 16 2020, p. 40
- Position 30 · 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.