Product Description
Stokes O-Ring, Viton for 075, 120, 180, 250 and More – 85040939
Stokes O-Ring
O-Ring, Viton
Stokes o-ring identified by part number 85040939, listed for the compatible pump models shown below.
Compatible Pump Models
- 075
- 120
- 180
- 250
- 151
- 75CD
- 120CD
- CD250-H3
- CDE-075
- CDE-120
- CDE-180
- CDE-250
Verify the exact pump model and serial number before ordering.
Product Details
| Part Number | 85040939 |
| Brand | Stokes |
| Product Type | O-Ring |
Recommended Oil and Service Fluids
After opening an oil-sealed pump for service, drain contaminated fluid and refill with the manufacturer-specified vacuum pump oil. Confirm the correct fluid by pump model, service, and operating conditions.
Related Repair Parts and Resources
Why Buy from Vacuum Pump Supply?
- Vacuum pump specialists since 2006
- Over 15,000 vacuum pump parts and kits available
- OEM and OEM-equivalent options
- Technical support from vacuum pump specialists
- Trusted by manufacturers, laboratories, universities, service companies, and maintenance teams
Frequently Asked Questions
Is this an OEM or OEM-equivalent product?
The source catalog does not make an OEM-status claim for this listing. Order by part number and confirm fit before purchase.
What is the part number?
The part number is 85040939.
What pump models is this used on?
The source catalog lists 075, 120, 180, 250, 151, 75CD, 120CD, CD250-H3, CDE-075, CDE-120, CDE-180, CDE-250. Verify the pump model and serial number before ordering.
Can Vacuum Pump Supply help confirm fit?
Yes. Contact us with the pump model, serial number, and part number if you need help confirming the correct repair part or kit.
