Seal U Cup
Case Construction ·139 Fitments
| Machine | Model | Years |
|---|---|---|
| CASE CRAWLER EXCAVATOR | 1080 | 1983 – 1986 |
| CASE CRAWLER EXCAVATOR | 1080B | 1986 – 1988 |
| CASE CRUZ-AIR WHEELED EXCAVATOR | 1085B | 1985 |
| CASE CRUZ-AIR WHEELED EXCAVATOR | 1085C | 1984 – 1989 |
| CASE CRUZ-AIR WHEELED EXCAVATOR | 1086B | 1985 |
| 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 CRAWLER TRACTOR | 1150B | 1973 – 1984 |
| CASE CRAWLER TRACTOR | 1150D | 1976 – 1986 |
Replaces: 50-3440T1; D39930; E124648; G34335; G34647; Z3749643; 300864A1; D95383; G32616; G35425; G110622; G32293; G32614; G32615; G32932
Compatible equipment
This part fits CASE CRAWLER EXCAVATOR, CASE CRUZ-AIR WHEELED EXCAVATOR, 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 CRAWLER TRACTOR, KIT PUMP MOUNTING W/LOADER FOR FMD FPM FSM TRACTORS, KIT HYDRAULIC USED W/LOADER ON FMD FPM FSM TRACTORS, UTILITY BACKHOE, LOADER AND BACKHOE, BACKHOE, CASE SKID KING WHEEL LOADER, BACKHOE AND LOADER FOR 530CK TRACTORS, BACKHOE FOR W7 W9A W9B W10, BACKHOE AND LOADER, BACKHOE FOR 310G AND 450 CRAWLER, BACKHOE FOR 580CK, BACKHOE FOR W SERIES RIGID LOADERS, LOADER, BACKHOE FOR CRAWLER MODELS 750 850 1150, BACKHOE FOR 680CK TRACTOR, BACKHOES FOR CRAWLER MODELS 750 850 1150, BACKHOE FOR 450 450B 850 850B AND W14, CASE LOADER BACKHOE ATTACHMENTS, LOADER AND BACKHOE FOR 580CK SERIES B, CASE CRAWLER TRACTOR (PRIOR TO S/N 3038436), CASE CRAWLER TRACTOR (S/N 3038436 TO 3060306), CASE CRAWLER TRACTOR (S/N 3060306 & AFTER), CASE LONG TRACK CRAWLER TRACTOR, SKID STEER - TIER 3 ASN N7M452623, SKID STEER BSN N7M452623, CASE CONSTRUCTION KING LOADER BACKHOE, CASE WHEEL TRACTOR W/LOADER BACKHOE, CASE CONSTRUCTION KING LOADER BACKHOE BEFORE S/N 3739160 (EUROPE), LOADER BACKHOE (NORTH AMERICA), LOADER BACKHOE (NORTH AMERICA) (ASN JJG0020000), CASE SUPER-D CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-E CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-K CONSTRUCTION KING LOADER BACKHOE, TURBO LOADER BACKHOE, CASE CONSTRUCTION KING LOADER BACKHOE (S/N 9101501 TO 9102281), 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 CRAWLER TRACTOR (AFTER S/N 7070351), CASE CRAWLER TRACTOR (EUROPE), CASE CRAWLER TRACTOR (S/N 7073469 & AFTER) (NORTH AMERICA), CASE CRAWLER TRACTOR (UP TO S/N 7073468) (NORTH AMERICA), CASE IH STEIGER 4WD TRACTOR (FROM S/N 17900650 TO JCB0003599), CASE IH STEIGER 4WD TRACTOR (PRIOR TO S/N 17900650), CASE IH STEIGER 4WD TRACTOR (S/N JCB0003600 & AFTER), CASE IH STEIGER 4WD TRACTOR (AFTER S/N 17900649), CASE WHEEL LOADER, CASE IH STEIGER POWER SHIFT 4WD TRACTOR (S/N JCB0027096 & AFTER), CASE IH STEIGER SYNCHROSHIFT 4WD TRACTOR (S/N JCB0027096 & AFTER), CASE IH STEIGER 4WD TRACTOR (S/N JCB0027096 & AFTER), CASE IH STEIGER 4WD TRACTOR (S/N JEE0033803 & AFTER), CASE IH 4WD TRACTOR, CASE SKID STEER LOADER, CASE SKID STEER LOADER - ASN JAF0311357 (NA) JAF0274360 (EU), TRACTOR, CASE UNIT LOADER, CASE ARTICULATED WHEEL LOADER (NORTH AMERICA), CASE WHEEL LOADER (S/N 9123140 & AFTER) (NORTH AMERICA), CASE WHEEL LOADER (PRIOR TO S/N 9123140), CASE WHEEL LOADER (NORTH AMERICA), CASE ARTICULATED WHEEL LOADER, CASE ARTICULATED WHEEL LOADER (PRIOR TO S/N 9120696), CASE ARTICULATED WHEEL LOADER W/POD CAB (S/N 9120696 & AFTER), CASE WHEEL LOADER (PRIOR TO S/N 17754000), CASE WHEEL LOADER (S/N 17754000 & AFTER), CASE WHEEL LOADER (S/N 9811301 & AFTER) (NORTH AMERICA) including models 1080, 1080B, 1085B, 1085C, 1086B, 1150, 1150B, 1150D, 1150E, 1155D, 1155E, 1285, 1286, 1450, 1450B, 1455B, 1550, 22, 23, 26, 26B, 26C, 26D, 26S, 300C.
Frequently asked questions
What is the part number?
The manufacturer part number is G107923.
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.
Replaces the following OEM and aftermarket part numbers. Click any reference to search for matching parts.
- Manufacturer part number
- G107923
- Internal SKU
- IC:G107923
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.03 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 139 fitments
| Machine | Model | Years |
|---|---|---|
| CASE CRAWLER EXCAVATOR | 1080 | 1983 – 1986 |
| CASE CRAWLER EXCAVATOR | 1080B | 1986 – 1988 |
| CASE CRUZ-AIR WHEELED EXCAVATOR | 1085B | 1985 |
| CASE CRUZ-AIR WHEELED EXCAVATOR | 1085C | 1984 – 1989 |
| CASE CRUZ-AIR WHEELED EXCAVATOR | 1086B | 1985 |
| 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 CRAWLER TRACTOR | 1150B | 1973 – 1984 |
| CASE CRAWLER TRACTOR | 1150D | 1976 – 1986 |
| CASE CRAWLER TRACTOR | 1150E | 1985 – 1994 |
| CASE CRAWLER TRACTOR | 1155D | 1983 – 1986 |
| CASE CRAWLER TRACTOR | 1155E | 1985 – 1994 |
| KIT PUMP MOUNTING W/LOADER FOR FMD FPM FSM TRACTORS | 1285 | 1954 – 1985 |
| KIT HYDRAULIC USED W/LOADER ON FMD FPM FSM TRACTORS | 1286 | 1964 – 1982 |
| CASE CRAWLER TRACTOR | 1450 | 1973 – 1980 |
| CASE CRAWLER TRACTOR | 1450B | 1980 – 1987 |
| CASE CRAWLER TRACTOR | 1455B | 1980 – 1987 |
| CASE CRAWLER TRACTOR | 1550 | 1988 – 1994 |
| UTILITY BACKHOE | 22 | 1960 – 1964 |
| LOADER AND BACKHOE | 23 | 1968 – 1971 |
| BACKHOE | 26 | 1965 – 1975 |
| BACKHOE | 26B | 1965 – 1975 |
| BACKHOE | 26C | 1975 – 1979 |
| BACKHOE | 26D | 1980 – 1989 |
| BACKHOE | 26S | 1965 – 1975 |
| CASE SKID KING WHEEL LOADER | 300C | 1968 – 1990 |
| BACKHOE | 31 | 1960 – 1963 |
| BACKHOE AND LOADER FOR 530CK TRACTORS | 32 | 1960 – 1967 |
| BACKHOE FOR W7 W9A W9B W10 | 32 | 1962 – 1967 |
| BACKHOE AND LOADER | 32S | 1960 – 1966 |
| BACKHOE FOR 310G AND 450 CRAWLER | 33 | 1966 – 1971 |
| BACKHOE FOR 580CK | 33 | 1960 – 1972 |
| BACKHOE FOR W SERIES RIGID LOADERS | 33 | 1966 – 1971 |
| LOADER | 33 | 1966 – 1971 |
| BACKHOE | 33S | 1961 – 1971 |
| BACKHOE FOR CRAWLER MODELS 750 850 1150 | 33S | 1961 – 1971 |
| BACKHOE FOR 680CK TRACTOR | 34 | 1961 – 1971 |
| BACKHOE FOR W SERIES RIGID LOADERS | 34 | 1961 – 1971 |
| BACKHOES FOR CRAWLER MODELS 750 850 1150 | 34 | 1961 – 1971 |
| BACKHOE FOR 450 450B 850 850B AND W14 | 35 | 1980 – 1983 |
| CASE LOADER BACKHOE ATTACHMENTS | 35 | 1973 – 1983 |
| LOADER AND BACKHOE FOR 580CK SERIES B | 35 | 1973 – 1983 |
| BACKHOE | 35C | 1988 – 1994 |
| BACKHOE | 35C WL | 1988 – 1994 |
| BACKHOE | 35WL | 1988 – 1994 |
| BACKHOE | 36 | 1965 – 1969 |
| CASE SKID KING WHEEL LOADER | 400C | 1972 – 1977 |
| CASE CRAWLER TRACTOR (PRIOR TO S/N 3038436) | 450 | 1965 – 1980 |
| CASE CRAWLER TRACTOR (S/N 3038436 TO 3060306) | 450 | 1968 – 1980 |
| CASE CRAWLER TRACTOR (S/N 3060306 & AFTER) | 450 | 1975 – 1980 |
| CASE CRAWLER TRACTOR | 450B | 1978 – 1983 |
| CASE LONG TRACK CRAWLER TRACTOR | 450C | 1983 – 1994 |
| CASE CRAWLER TRACTOR | 455B | 1983 |
| CASE LONG TRACK CRAWLER TRACTOR | 455C | 1983 – 1990 |
| SKID STEER - TIER 3 ASN N7M452623 | 465 | 2008 – 2011 |
| SKID STEER BSN N7M452623 | 465 | 2005 – 2007 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 480C | 1976 – 1980 |
| CASE WHEEL TRACTOR W/LOADER BACKHOE | 480CK | 1966 – 1971 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 480D | 1980 – 1986 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 480E | 1986 – 1989 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 480E LL | 1986 – 1989 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 480F | 1989 – 1994 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 480F LL | 1989 – 1994 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 480LL | 1981 – 1986 |
| CASE LONG TRACK CRAWLER TRACTOR | 550 | 1989 – 1991 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 580C | 1975 – 1980 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 580D | 1980 – 1984 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 580E | 1983 – 1989 |
| CASE CONSTRUCTION KING LOADER BACKHOE BEFORE S/N 3739160 (EUROPE) | 580F | 1987 – 1988 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 580G | 1978 – 1988 |
| LOADER BACKHOE (NORTH AMERICA) | 580K | 1987 – 1994 |
| LOADER BACKHOE (NORTH AMERICA) (ASN JJG0020000) | 580K | 1987 – 1994 |
| CASE SUPER-D CONSTRUCTION KING LOADER BACKHOE | 580SD | 1980 – 1984 |
| CASE SUPER-E CONSTRUCTION KING LOADER BACKHOE | 580SE | 1983 – 1987 |
| CASE SUPER-K CONSTRUCTION KING LOADER BACKHOE | 580SK | 1996 |
| TURBO LOADER BACKHOE | 590 | 1988 – 1991 |
| CASE CRAWLER TRACTOR | 650 | 1990 – 1991 |
| CASE CONSTRUCTION KING LOADER BACKHOE (S/N 9101501 TO 9102281) | 680CK | 1967 – 1968 |
| 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 | 680K | 1984 – 1988 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 680L | 1988 – 1993 |
| CASE CRAWLER TRACTOR (AFTER S/N 7070351) | 750 | 1963 – 1967 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 780 | 1971 – 1981 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 780C | 1981 – 1988 |
| CASE CONSTRUCTION KING LOADER BACKHOE | 780D | 1988 – 1993 |
| 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 LONG TRACK CRAWLER TRACTOR | 850D | 1985 – 1994 |
| CASE LONG TRACK CRAWLER TRACTOR | 850E | 1992 – 1994 |
| CASE LONG TRACK CRAWLER TRACTOR | 855D | 1985 – 1994 |
| CASE LONG TRACK CRAWLER TRACTOR | 855E | 1992 – 1994 |
| CASE CRAWLER EXCAVATOR | 880D | 1984 – 1987 |
| CASE IH STEIGER 4WD TRACTOR (FROM S/N 17900650 TO JCB0003599) | 9170 | 1988 – 1989 |
| CASE IH STEIGER 4WD TRACTOR (PRIOR TO S/N 17900650) | 9170 | 1986 – 1988 |
| CASE IH STEIGER 4WD TRACTOR (S/N JCB0003600 & AFTER) | 9170 | 1989 – 1990 |
| CASE IH STEIGER 4WD TRACTOR (AFTER S/N 17900649) | 9180 | 1988 – 1989 |
| CASE IH STEIGER 4WD TRACTOR (PRIOR TO S/N 17900650) | 9180 | 1986 – 1988 |
| CASE IH STEIGER 4WD TRACTOR (S/N JCB0003600 & AFTER) | 9180 | 1989 – 1990 |
| CASE WHEEL LOADER | 921 | 1992 – 1995 |
| CASE IH STEIGER POWER SHIFT 4WD TRACTOR (S/N JCB0027096 & AFTER) | 9270 | 1990 – 1995 |
| CASE IH STEIGER SYNCHROSHIFT 4WD TRACTOR (S/N JCB0027096 & AFTER) | 9270 | 1990 – 1995 |
| CASE IH STEIGER 4WD TRACTOR (S/N JCB0027096 & AFTER) | 9280 | 1991 – 1995 |
| CASE IH STEIGER 4WD TRACTOR (S/N JEE0033803 & AFTER) | 9280 | 1994 – 1995 |
| CASE IH 4WD TRACTOR | 9370 | 1996 – 2000 |
| CASE IH 4WD TRACTOR | 9370 QUADTRAC | 1997 – 1999 |
| CASE IH 4WD TRACTOR | 9380 | 1995 – 2000 |
| CASE IH 4WD TRACTOR | 9380 QUADTRAC | 1997 – 1999 |
| CASE IH 4WD TRACTOR | 9390 | 1997 – 2000 |
| CASE SKID STEER LOADER | 95XT | 2001 – 2005 |
| CASE SKID STEER LOADER - ASN JAF0311357 (NA) JAF0274360 (EU) | 95XT | 2001 – 2005 |
| TRACTOR | TJ275 | 2002 – 2006 |
| TRACTOR | TJ325 | 2002 – 2006 |
| TRACTOR | TJ375 | 2002 – 2006 |
| TRACTOR | TJ425 | 2002 – 2006 |
| TRACTOR | TJ450 | 2002 – 2005 |
| TRACTOR | TJ500 | 2004 – 2006 |
| CASE UNIT LOADER | W11B | 1984 – 1993 |
| CASE WHEEL LOADER | W14B | 1985 – 1989 |
| CASE WHEEL LOADER | W14C | 1990 – 1993 |
| CASE ARTICULATED WHEEL LOADER (NORTH AMERICA) | W18 | 1971 – 1983 |
| CASE WHEEL LOADER (S/N 9123140 & AFTER) (NORTH AMERICA) | W18 | 1976 – 1983 |
| CASE WHEEL LOADER | W18B | 1985 – 1988 |
| CASE WHEEL LOADER (PRIOR TO S/N 9123140) | W20 | 1971 – 1983 |
| CASE WHEEL LOADER (S/N 9123140 & AFTER) (NORTH AMERICA) | W20 | 1976 – 1983 |
| CASE WHEEL LOADER (S/N 9123140 & AFTER) (NORTH AMERICA) | W20B | 1981 – 1993 |
| CASE WHEEL LOADER (NORTH AMERICA) | W20C | 1982 – 1989 |
| CASE ARTICULATED WHEEL LOADER | W24 | 1969 – 1972 |
| CASE ARTICULATED WHEEL LOADER (PRIOR TO S/N 9120696) | W24B | 1972 – 1978 |
| CASE ARTICULATED WHEEL LOADER W/POD CAB (S/N 9120696 & AFTER) | W24B | 1975 – 1978 |
| CASE ARTICULATED WHEEL LOADER | W26B | 1970 – 1976 |
| CASE WHEEL LOADER | W30 | 1982 – 1989 |
| CASE WHEEL LOADER (PRIOR TO S/N 17754000) | W36 | 1977 – 1989 |
| CASE WHEEL LOADER (S/N 17754000 & AFTER) | W36 | 1979 – 1983 |
| CASE WHEEL LOADER (S/N 9811301 & AFTER) (NORTH AMERICA) | W7E | 1970 – 1972 |