O-Ring
| Machine | Model | Years / S/N |
|---|---|---|
| Dozer | 1150H | — |
| Dozer | 1150G | — |
| Dozer | 1150E | — |
| Dozer | 850D | — |
| Dozer | 1155E | — |
| Dozer | 855D | — |
| Backhoe | 35WL | — |
| Backhoe | 35C WL | — |
| Dozer | 1455B | — |
| Dozer | 1450B | — |
Enhance your heavy equipment’s performance with the Case Construction O-Ring #N9779. Designed for durability and precision, this essential component ensures a reliable seal, preventing leaks and maintaining optimal functionality in your machinery. Perfect for all Case models.
Frequently asked questions
What is the part number?
The manufacturer part number is N9779.
Is this a genuine OEM part?
Yes. Southeastern Equipment stocks OEM and quality aftermarket parts for heavy equipment. Contact us if you need a specific OEM source or aftermarket option.
Where does this ship from?
Southeastern Equipment Company ships parts nationwide from our US warehouse. Orders placed before 2 PM ET typically ship same day.
WARNING:For California residents — Cancer and Reproductive Harm. www.P65Warnings.ca.gov
- Manufacturer part number
- N9779
- Internal SKU
- IC:N9779
- Brand
- Case Construction
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.04 lb
Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.
Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.
30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.
All 19 fitments
| Machine | Model | Years / S/N |
|---|---|---|
| Dozer | 1150H | — |
| Dozer | 1150G | — |
| Dozer | 1150E | — |
| Dozer | 850D | — |
| Dozer | 1155E | — |
| Dozer | 855D | — |
| Backhoe | 35WL | — |
| Backhoe | 35C WL | — |
| Dozer | 1455B | — |
| Dozer | 1450B | — |
| Dozer | 1150D | — |
| Dozer | 1155D | — |
| Dozer | 855C | — |
| Dozer | 1150C | — |
| Dozer | 1150B | — |
| Dozer | 850B | — |
| Dozer | 850C | — |
| Backhoe | 35 | — |
| Dozer | 1450 | — |