O-ring 0.103in Thick X 2.112in Id -138 Cl 5 75 Duro
Case Construction ·31 Fitments
| Machine | Model | Years |
|---|---|---|
| CASE TERRATRAC CRAWLER TRACTOR (S/N 7103001 & AFTER) | 1000C | 1959 – 1963 |
| CASE CRAWLER TRACTOR (S/N 7103001 & AFTER) | 1000D | 1960 – 1966 |
| CASE LOGGER CRAWLER EXCAVATOR | 1187 | 1983 – 1985 |
| CASE LOGGER CRAWLER EXCAVATOR | 1187B | 1985 – 1988 |
| CASE UNI-LOADER SKID STEER LOADER | 1529 | 1969 – 1988 |
| UTILITY BACKHOE | 22 | 1960 – 1964 |
| LOADER AND BACKHOE | 23 | 1968 – 1971 |
| LOADER | 31 | 1960 – 1963 |
| CASE CRAWLER TRACTOR (S/N 3019001 TO 3023000) | 310F | 1963 – 1964 |
| CASE CRAWLER TRACTOR (S/N 3023001 TO 3032301) | 310G | 1964 – 1969 |
Enhance your heavy equipment’s performance with the Case Construction O-Ring. Measuring 0.103 inches thick and 2.112 inches ID, this durable 75 Duro O-Ring (#86011525) ensures a reliable seal for optimal operation in demanding environments.
Compatible equipment
This part fits CASE TERRATRAC CRAWLER TRACTOR (S/N 7103001 & AFTER), CASE CRAWLER TRACTOR (S/N 7103001 & AFTER), CASE LOGGER CRAWLER EXCAVATOR, CASE UNI-LOADER SKID STEER LOADER, UTILITY BACKHOE, LOADER AND BACKHOE, LOADER, CASE CRAWLER TRACTOR (S/N 3019001 TO 3023000), CASE CRAWLER TRACTOR (S/N 3023001 TO 3032301), CASE G.P. & L.C.G. WHEEL TRACTOR, CASE LOADER/LANDSCAPER TRACTOR, CASE CRAWLER TRACTOR, DROTT SERIES-B FELLER/BUNCHER CRAWLER EXCAVATOR, DROTT SERIES-B CRAWLER EXCAVATOR, CASE WHEEL TRACTOR W/LOADER BACKHOE, CASE CONSTRUCTION KING FORKLIFT, CASE CONSTRUCTION KING TRACTOR (BSN 8685800) (NORTH AMERICA), CASE CONSTRUCTION KING LOADER BACKHOE AFTER S/N 3739160 (EUROPE), CASE CONSTRUCTION KING LOADER BACKHOE BEFORE S/N 3739160 (EUROPE), CASE CONSTRUCTION KING LOADER BACKHOE, CASE CONSTRUCTION KING LOADER BACKHOE - 4WD SUPPLEMENT, CASE CONSTRUCTION KING LOADER BACKHOE - TURBO SUPPLEMENT, CASE TERRATRAC CRAWLER TRACTOR (DIESEL), CASE TERRATRAC GASOLINE CRAWLER TRACTOR, CASE CRAWLER TRACTOR (EUROPE), CASE TRENCHER, TRENCHER - CASE 219 ENGINE including models 1000C, 1000D, 1187, 1187B, 1529, 22, 23, 31, 310F, 310G, 380CK, 400, 40BLC, 40EC, 40YC, 480CK, 500, 580, 580F, 580G, 600, 780, 850, DH7.
Frequently asked questions
What is the part number?
The manufacturer part number is 86011525.
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.
Will this fit my machine?
See the compatible equipment list above. If your model is not listed, call us with your machine's serial number and we can confirm.
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.
- Manufacturer part number
- 86011525
- Internal SKU
- IC:86011525
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.0 lb
Free pickup at any of our 17 branches across Ohio, Indiana, Michigan, and Kentucky. Select your preferred branch at checkout.
30-day no-fault returns. Bought the wrong part? Send it back for a full refund — no restocking fees, no minimums.
All 31 fitments
| Machine | Model | Years |
|---|---|---|
| CASE TERRATRAC CRAWLER TRACTOR (S/N 7103001 & AFTER) | 1000C | 1959 – 1963 |
| CASE CRAWLER TRACTOR (S/N 7103001 & AFTER) | 1000D | 1960 – 1966 |
| CASE LOGGER CRAWLER EXCAVATOR | 1187 | 1983 – 1985 |
| CASE LOGGER CRAWLER EXCAVATOR | 1187B | 1985 – 1988 |
| CASE UNI-LOADER SKID STEER LOADER | 1529 | 1969 – 1988 |
| UTILITY BACKHOE | 22 | 1960 – 1964 |
| LOADER AND BACKHOE | 23 | 1968 – 1971 |
| LOADER | 31 | 1960 – 1963 |
| CASE CRAWLER TRACTOR (S/N 3019001 TO 3023000) | 310F | 1963 – 1964 |
| CASE CRAWLER TRACTOR (S/N 3023001 TO 3032301) | 310G | 1964 – 1969 |
| CASE G.P. & L.C.G. WHEEL TRACTOR | 380CK | 1970 – 1974 |
| CASE LOADER/LANDSCAPER TRACTOR | 380CK | 1970 – 1980 |
| CASE CRAWLER TRACTOR | 400 | 1957 – 1983 |
| DROTT SERIES-B FELLER/BUNCHER CRAWLER EXCAVATOR | 40BLC | 1971 – 1984 |
| DROTT SERIES-B CRAWLER EXCAVATOR | 40EC | 1971 – 1984 |
| DROTT SERIES-B CRAWLER EXCAVATOR | 40YC | 1971 – 1984 |
| CASE WHEEL TRACTOR W/LOADER BACKHOE | 480CK | 1966 – 1971 |
| CASE CRAWLER TRACTOR | 500 | 1953 – 1983 |
| CASE CONSTRUCTION KING FORKLIFT | 580 | 1966 – 1971 |
| CASE CONSTRUCTION KING TRACTOR (BSN 8685800) (NORTH AMERICA) | 580 | 1966 – 1971 |
| CASE CONSTRUCTION KING LOADER BACKHOE AFTER S/N 3739160 (EUROPE) | 580F | 1987 – 1988 |
| CASE CONSTRUCTION KING LOADER BACKHOE BEFORE S/N 3739160 (EUROPE) | 580F | 1987 – 1988 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 580G | 1978 – 1988 |
| CASE CONSTRUCTION KING LOADER BACKHOE - 4WD SUPPLEMENT | 580G | 1978 – 1988 |
| CASE CONSTRUCTION KING LOADER BACKHOE - TURBO SUPPLEMENT | 580G | 1978 – 1987 |
| CASE TERRATRAC CRAWLER TRACTOR (DIESEL) | 600 | 1957 – 1958 |
| CASE TERRATRAC GASOLINE CRAWLER TRACTOR | 600 | 1957 – 1958 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 780 | 1971 – 1981 |
| CASE CRAWLER TRACTOR (EUROPE) | 850 | 1967 – 1977 |
| CASE TRENCHER | DH7 | 1979 – 1982 |
| TRENCHER - CASE 219 ENGINE | DH7 | 1979 – 1982 |