Welch · O-ring
S3063-99
O-Ring
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
96 | O-ring14()*3 | 2 | S3063-99
Fits 3 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 |
| CRVpro 48 | manual crvpro 48 65 gm 6 16 2020, p. 38 |
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
8 · Gaskets and O-rings
- O-ring FKM, 84x3829290
- O-RingS3018-99
- O-RingS3063-99
- O-RingS3143-99
- GasketS3155-99
- O-RingS3156-99
- O-RingS3168-99
- O-ringS3169-99
- O-ringS3170-99
- O-RingS3171-99
- O-RingS3172-99
- O-RingS3185-99
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 98 · Exploded viewoperation manual crv pro 4 6 8, p. 16
- Position 96 · Exploded viewmanual crvpro 48 65 gm 6 16 2020, p. 40
- Position 100 · 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.