Air Filter
Air Filters ·22 Fitments
| Machine | Model | Years |
|---|---|---|
| CASE TORQUE CONVERTER CRAWLER TRACTOR (BEFORE S/N 7109000) | 1150 | 1965 – 1974 |
| CASE TORQUE CONVERTER CRAWLER TRACTOR (S/N 7109000 TO 7110299) | 1150 | 1968 – 1974 |
| CASE TORQUE CONVERTER CRAWLER TRACTOR (S/N 7110300 & AFTER) | 1150 | 1969 – 1974 |
| CASE SKID KING WHEEL LOADER | 300C | 1968 – 1990 |
| DROTT SERIES-B CRAWLER EXCAVATOR | 35EC | 1969 – 1977 |
| DROTT SERIES-B CRAWLER EXCAVATOR | 35YC | 1969 – 1977 |
| CASE SKID KING WHEEL LOADER | 400C | 1972 – 1977 |
| CASE CABLE LAYER W/301B ENGINE (PRIOR TO S/N 3058169) | 475 | 1972 – 1983 |
| CASE CABLE LAYER W/336 ENGINE (S/N 3058169 & AFTER) | 475 | 1972 – 1983 |
| CASE SKID KING WHEEL LOADER | 600 | 1972 – 1976 |
Enhance your Case Construction equipment’s performance with the Air Filter #2451U125-3. Designed for optimal airflow and superior filtration, this durable filter ensures your machinery runs efficiently, prolonging engine life and reducing maintenance costs. Perfect for heavy-duty applications. This product is a genuine OEM part, ensuring quality and reliability.
Compatible equipment
This part fits CASE TORQUE CONVERTER CRAWLER TRACTOR (BEFORE S/N 7109000), CASE TORQUE CONVERTER CRAWLER TRACTOR (S/N 7109000 TO 7110299), CASE TORQUE CONVERTER CRAWLER TRACTOR (S/N 7110300 & AFTER), CASE SKID KING WHEEL LOADER, DROTT SERIES-B CRAWLER EXCAVATOR, CASE CABLE LAYER W/301B ENGINE (PRIOR TO S/N 3058169), CASE CABLE LAYER W/336 ENGINE (S/N 3058169 & AFTER), CASE SERIES-B CONSTRUCTION KING LOADER BACKHOE (S/N 9102282 TO 9103968, CASE SERIES-B LOADER BACKHOE (S/N 9103967 TO 9105879), CASE SERIES-C CONSTRUCTION KING LOADER BACKHOE (S/N 910600 TO 9111008), CASE SERIES-C CONSTRUCTION KING LOADER BACKHOE (S/N 9111009 & AFTER), CASE CONSTRUCTION KING LOADER BACKHOE, CASE CRAWLER TRACTOR (EUROPE), CASE CRAWLER TRACTOR (S/N 7073469 & AFTER) (NORTH AMERICA), CASE CRAWLER TRACTOR (UP TO S/N 7073468) (NORTH AMERICA), CASE CRAWLER TRACTOR, CASE CRAWLER EXCAVATOR including models 1150, 300C, 35EC, 35YC, 400C, 475, 600, 680CK, 780, 800, 825, 850, 850B, 880.
Frequently asked questions
What is the part number?
The manufacturer part number is 2451U125-3.
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
- 2451U125-3
- Internal SKU
- IC:2451U125-3
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Air Filters
- Weight
- 1.76 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 22 fitments
| Machine | Model | Years |
|---|---|---|
| CASE TORQUE CONVERTER CRAWLER TRACTOR (BEFORE S/N 7109000) | 1150 | 1965 – 1974 |
| CASE TORQUE CONVERTER CRAWLER TRACTOR (S/N 7109000 TO 7110299) | 1150 | 1968 – 1974 |
| CASE TORQUE CONVERTER CRAWLER TRACTOR (S/N 7110300 & AFTER) | 1150 | 1969 – 1974 |
| CASE SKID KING WHEEL LOADER | 300C | 1968 – 1990 |
| DROTT SERIES-B CRAWLER EXCAVATOR | 35EC | 1969 – 1977 |
| DROTT SERIES-B CRAWLER EXCAVATOR | 35YC | 1969 – 1977 |
| CASE SKID KING WHEEL LOADER | 400C | 1972 – 1977 |
| CASE CABLE LAYER W/301B ENGINE (PRIOR TO S/N 3058169) | 475 | 1972 – 1983 |
| CASE CABLE LAYER W/336 ENGINE (S/N 3058169 & AFTER) | 475 | 1972 – 1983 |
| CASE SKID KING WHEEL LOADER | 600 | 1972 – 1976 |
| CASE SERIES-B CONSTRUCTION KING LOADER BACKHOE (S/N 9102282 TO 9103968 | 680CK | 1968 |
| CASE SERIES-B LOADER BACKHOE (S/N 9103967 TO 9105879) | 680CK | 1968 – 1993 |
| CASE SERIES-C CONSTRUCTION KING LOADER BACKHOE (S/N 910600 TO 9111008) | 680CK | 1968 – 1993 |
| CASE SERIES-C CONSTRUCTION KING LOADER BACKHOE (S/N 9111009 & AFTER) | 680CK | 1968 – 1993 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 780 | 1971 – 1981 |
| CASE SKID KING WHEEL LOADER | 800 | 1972 – 1976 |
| CASE SKID KING WHEEL LOADER | 825 | 1972 – 1976 |
| CASE CRAWLER TRACTOR (EUROPE) | 850 | 1967 – 1977 |
| CASE CRAWLER TRACTOR (S/N 7073469 & AFTER) (NORTH AMERICA) | 850 | 1969 – 1977 |
| CASE CRAWLER TRACTOR (UP TO S/N 7073468) (NORTH AMERICA) | 850 | 1967 – 1977 |
| CASE CRAWLER TRACTOR | 850B | 1976 – 1984 |
| CASE CRAWLER EXCAVATOR | 880 | 1971 – 1980 |