Filler Cap
Case Construction ·65 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 CRAWLER TRACTOR | 1150B | 1973 – 1984 |
| CASE CRAWLER TRACTOR | 1150D | 1976 – 1986 |
| CASE CRAWLER TRACTOR | 1150E | 1985 – 1994 |
| CASE CRAWLER TRACTOR | 1150G | 1995 – 1999 |
| CASE CRAWLER TRACTOR | 1150H | 2000 – 2006 |
| SERIES 3 CRAWLER DOZER TIER 3 (NA/EU) | 1150K | 2006 – 2013 |
| CASE CRAWLER TRACTOR | 1155D | 1983 – 1986 |
- Weight: 0.35 kg
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 CRAWLER TRACTOR, SERIES 3 CRAWLER DOZER TIER 3 (NA/EU), CRAWLER DOZER TIER 3 (NA/EU) (HYDRO), 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, CASE CABLE LAYER W/301B ENGINE (PRIOR TO S/N 3058169), CASE CABLE LAYER W/336 ENGINE (S/N 3058169 & AFTER), IND - CASE CRAWLER TRACTOR, CASE SKID KING WHEEL LOADER, SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005, SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006, SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008, CASE CRAWLER TRACTOR (AFTER S/N 7070351), CRAWLER DOZER TIER 3, CASE CRAWLER TRACTOR (EUROPE), CASE CRAWLER TRACTOR (S/N 7073469 & AFTER) (NORTH AMERICA), CASE CRAWLER TRACTOR (UP TO S/N 7073468) (NORTH AMERICA), CRAWLER DOZER TIER 3 (HYDRO), CRAWLER DOZER - NA, CRAWLER DOZER including models 1150, 1150B, 1150D, 1150E, 1150G, 1150H, 1150K, 1155D, 1155E, 1450, 1450B, 1455B, 1550, 1650L, 450, 450C, 455C, 475, 550, 550E, 550G, 550H, 600, 650, 650G.
Frequently asked questions
What is the part number?
The manufacturer part number is R57981.
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
- R57981
- Internal SKU
- IC:R57981
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.77 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 65 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 CRAWLER TRACTOR | 1150B | 1973 – 1984 |
| CASE CRAWLER TRACTOR | 1150D | 1976 – 1986 |
| CASE CRAWLER TRACTOR | 1150E | 1985 – 1994 |
| CASE CRAWLER TRACTOR | 1150G | 1995 – 1999 |
| CASE CRAWLER TRACTOR | 1150H | 2000 – 2006 |
| SERIES 3 CRAWLER DOZER TIER 3 (NA/EU) | 1150K | 2006 – 2013 |
| CASE CRAWLER TRACTOR | 1155D | 1983 – 1986 |
| CASE CRAWLER TRACTOR | 1155E | 1985 – 1994 |
| CASE CRAWLER TRACTOR | 1450 | 1973 – 1980 |
| CASE CRAWLER TRACTOR | 1450B | 1980 – 1987 |
| CASE CRAWLER TRACTOR | 1455B | 1980 – 1987 |
| CASE CRAWLER TRACTOR | 1550 | 1988 – 1994 |
| CRAWLER DOZER TIER 3 (NA/EU) (HYDRO) | 1650L | 2007 – 2013 |
| 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 LONG TRACK CRAWLER TRACTOR | 450C | 1983 – 1994 |
| CASE LONG TRACK CRAWLER TRACTOR | 455C | 1983 – 1990 |
| 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 LONG TRACK CRAWLER TRACTOR | 550 | 1989 – 1991 |
| CASE LONG TRACK CRAWLER TRACTOR | 550E | 1992 – 1994 |
| CASE LONG TRACK CRAWLER TRACTOR | 550G | 1995 – 1998 |
| CASE CRAWLER TRACTOR | 550H | 1999 – 2008 |
| IND - CASE CRAWLER TRACTOR | 550H | 1999 – 2008 |
| CASE SKID KING WHEEL LOADER | 600 | 1972 – 1976 |
| CASE CRAWLER TRACTOR | 650 | 1990 – 1991 |
| CASE CRAWLER TRACTOR | 650G | 1994 – 1999 |
| CASE CRAWLER TRACTOR | 650H | 2000 – 2002 |
| SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005 | 650K | 2002 – 2005 |
| SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006 | 650K | 2005 – 2008 |
| SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008 | 650K | 2005 – 2008 |
| CASE CRAWLER TRACTOR (AFTER S/N 7070351) | 750 | 1963 – 1967 |
| CASE CRAWLER TRACTOR | 750H | 2000 – 2002 |
| SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005 | 750K | 2002 – 2005 |
| SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006 | 750K | 2005 – 2008 |
| CRAWLER DOZER TIER 3 | 750L | 2008 – 2012 |
| 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 LONG TRACK CRAWLER TRACTOR | 850D | 1985 – 1994 |
| CASE LONG TRACK CRAWLER TRACTOR | 850E | 1992 – 1994 |
| CASE CRAWLER TRACTOR | 850G | 1994 – 1999 |
| CASE CRAWLER TRACTOR | 850H | 2000 – 2002 |
| SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005 | 850K | 2002 – 2005 |
| SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006 | 850K | 2005 – 2008 |
| SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008 | 850K | 2005 – 2008 |
| CRAWLER DOZER TIER 3 | 850L | 2008 – 2013 |
| CASE LONG TRACK CRAWLER TRACTOR | 855D | 1985 – 1994 |
| CASE LONG TRACK CRAWLER TRACTOR | 855E | 1992 – 1994 |
| CRAWLER DOZER TIER 3 (HYDRO) | D150B | 2007 – 2009 |
| CRAWLER DOZER - NA | D75 | 2004 – 2008 |
| CRAWLER DOZER - NA | D85 | 2004 – 2007 |
| CRAWLER DOZER TIER 3 | D85B | 2008 – 2012 |
| CRAWLER DOZER - NA | D95 | 2004 – 2008 |
| CRAWLER DOZER TIER 3 | D95B | 2008 – 2012 |
| CRAWLER DOZER | DC75 | 2004 – 2006 |
| CRAWLER DOZER | DC85 | 2004 – 2006 |
| CRAWLER DOZER | DC95 | 2004 – 2008 |