Welch · Seal
S3019-99
Oil Seal
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
30 | Oil Seal | 1 | S3019-99
Fits 2 models
As listed by Welch| Model | Source |
|---|---|
| CRVpro 16 | operation manual crv pro 16 24 30, p. 39 |
| CRVpro 4 | operation manual crv pro 4 6 8, p. 41 |
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
4 · Shaft seal
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 30 · Exploded viewoperation manual crv pro 4 6 8, p. 16
- Position 32 · 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.