O-ring
Case Construction ·55 Fitments
| Machine | Model | Years |
|---|---|---|
| CASE WHEEL LOADER (BEFORE S/N JEE0135500) | 521D | 2000 – 2002 |
| CASE WHEEL LOADER (S/N JEE0135501 & AFTER) - ENGINE SUPPLEMENT | 521D | 2000 – 2002 |
| CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER) | 521D | 2000 – 2002 |
| WHEEL LOADER TIER 3 (NA) | 521E | 2008 – 2013 |
| WHEEL LOADER - TIER 4 (NA) | 521F | 2012 – 2015 |
| WHEEL LOADER - TIER 4B (NA) | 521F | 2016 |
| WHEEL LOADER - TIER 4B (NA) | 521G | 2016 – 2022 |
| CASE WHEEL LOADER (PRIOR TO S/N JAK0021701) (NORTH AMERICA) | 621 | 1992 – 1993 |
| CASE WHEEL LOADER (S/N JAK0021701 & AFTER) (NORTH AMERICA) | 621 | 1992 – 1993 |
| CASE WHEEL LOADER (NORTH AMERICA) | 621B | 1993 – 1998 |
Compatible equipment
This part fits CASE WHEEL LOADER (BEFORE S/N JEE0135500), CASE WHEEL LOADER (S/N JEE0135501 & AFTER) - ENGINE SUPPLEMENT, CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER), WHEEL LOADER TIER 3 (NA), WHEEL LOADER - TIER 4 (NA), WHEEL LOADER - TIER 4B (NA), CASE WHEEL LOADER (PRIOR TO S/N JAK0021701) (NORTH AMERICA), CASE WHEEL LOADER (S/N JAK0021701 & AFTER) (NORTH AMERICA), CASE WHEEL LOADER (NORTH AMERICA), CASE WHEEL LOADER, WHEEL LOADER WASTE HANDLING - TIER 4A (NA), 4WD MOTOR GRADER (LIVERY) - TIER 4, 4WD MOTOR GRADER MY20 - STAGE V, AWD MOTOR GRADER (LIVERY) - TIER 4, AWD MOTOR GRADER MY20 - STAGE V, MOTOR GRADER TIER I (BR) - ASN N8AF07000, MOTOR GRADER - TORQUE CONVERTER - TIER 3 (BR), MOTOR GRADER TIER 3 (NEW CAB), MOTOR GRADER ASN N8AF06000, MOTOR GRADER - NEW CAB (BRAZIL), MOTOR GRADER, WHEEL LOADER, WHEEL LOADER (N.A. VERSION), MOTOR GRADER S/N 98L00120 & AFTER, WHEEL LOADER (REV 05/2005), WHEEL LOADERS (NA), WHEEL LOADER (W130/W130TC) (NA), WHEEL LOADER - TIER 2 (INT), WHEEL LOADERS including models 521D, 521E, 521F, 521G, 621, 621B, 621C, 621D, 621E, 621F, 621G, 821, 836C, 836C AWD, 845, 845B, 856C, 856C AWD, 865B, F140, F140B, F170B, FG65C, FR130, FR130.2.
Frequently asked questions
What is the part number?
The manufacturer part number is S301574.
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
- S301574
- Internal SKU
- IC:S301574
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.01 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 55 fitments
| Machine | Model | Years |
|---|---|---|
| CASE WHEEL LOADER (BEFORE S/N JEE0135500) | 521D | 2000 – 2002 |
| CASE WHEEL LOADER (S/N JEE0135501 & AFTER) - ENGINE SUPPLEMENT | 521D | 2000 – 2002 |
| CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER) | 521D | 2000 – 2002 |
| WHEEL LOADER TIER 3 (NA) | 521E | 2008 – 2013 |
| WHEEL LOADER - TIER 4 (NA) | 521F | 2012 – 2015 |
| WHEEL LOADER - TIER 4B (NA) | 521F | 2016 |
| WHEEL LOADER - TIER 4B (NA) | 521G | 2016 – 2022 |
| CASE WHEEL LOADER (PRIOR TO S/N JAK0021701) (NORTH AMERICA) | 621 | 1992 – 1993 |
| CASE WHEEL LOADER (S/N JAK0021701 & AFTER) (NORTH AMERICA) | 621 | 1992 – 1993 |
| CASE WHEEL LOADER (NORTH AMERICA) | 621B | 1993 – 1998 |
| CASE WHEEL LOADER | 621C | 1999 – 2001 |
| CASE WHEEL LOADER (BEFORE S/N JEE0135500) | 621D | 2000 – 2002 |
| CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER) | 621D | 2002 – 2007 |
| WHEEL LOADER TIER 3 (NA) | 621E | 2007 – 2012 |
| WHEEL LOADER - TIER 4 (NA) | 621F | 2012 – 2014 |
| WHEEL LOADER - TIER 4B (NA) | 621F | 2014 – 2016 |
| WHEEL LOADER WASTE HANDLING - TIER 4A (NA) | 621F | 2013 – 2014 |
| WHEEL LOADER - TIER 4B (NA) | 621G | 2016 – 2022 |
| CASE WHEEL LOADER (NORTH AMERICA) | 821 | 1990 – 1992 |
| 4WD MOTOR GRADER (LIVERY) - TIER 4 | 836C | 2017 – 2022 |
| 4WD MOTOR GRADER MY20 - STAGE V | 836C | 2020 – 2022 |
| AWD MOTOR GRADER (LIVERY) - TIER 4 | 836C AWD | 2017 – 2022 |
| AWD MOTOR GRADER MY20 - STAGE V | 836C AWD | 2020 – 2022 |
| MOTOR GRADER TIER I (BR) - ASN N8AF07000 | 845 | 2008 – 2010 |
| MOTOR GRADER - TORQUE CONVERTER - TIER 3 (BR) | 845B | 2017 – 2022 |
| MOTOR GRADER TIER 3 (NEW CAB) | 845B | 2010 – 2017 |
| 4WD MOTOR GRADER (LIVERY) - TIER 4 | 856C | 2017 – 2022 |
| AWD MOTOR GRADER (LIVERY) - TIER 4 | 856C AWD | 2017 – 2022 |
| AWD MOTOR GRADER MY20 - STAGE V | 856C AWD | 2020 – 2022 |
| MOTOR GRADER - TORQUE CONVERTER - TIER 3 (BR) | 865B | 2017 – 2022 |
| MOTOR GRADER TIER 3 (NEW CAB) | 865B | 2010 – 2017 |
| MOTOR GRADER ASN N8AF06000 | F140 | 1980 – 1996 |
| MOTOR GRADER - NEW CAB (BRAZIL) | F140B | 2010 – 2012 |
| MOTOR GRADER TIER 3 (NEW CAB) | F140B | 2010 – 2016 |
| MOTOR GRADER - NEW CAB (BRAZIL) | F170B | 2010 – 2012 |
| MOTOR GRADER TIER 3 (NEW CAB) | F170B | 2010 – 2016 |
| MOTOR GRADER | FG65C | 1982 – 1993 |
| WHEEL LOADER | FR130 | 1993 – 1997 |
| WHEEL LOADER (N.A. VERSION) | FR130.2 | 1994 – 1997 |
| MOTOR GRADER S/N 98L00120 & AFTER | G80 | 1999 |
| WHEEL LOADER (REV 05/2005) | LW110.B | 2003 |
| WHEEL LOADER (REV 05/2005) | LW130.B | 2003 – 2006 |
| MOTOR GRADER | RG100 | 2000 – 2004 |
| MOTOR GRADER - NEW CAB (BRAZIL) | RG140.B | 2010 – 2012 |
| MOTOR GRADER TIER 3 (NEW CAB) | RG140.B | 2010 – 2016 |
| MOTOR GRADER - NEW CAB (BRAZIL) | RG170.B | 2010 – 2012 |
| MOTOR GRADER TIER 3 (NEW CAB) | RG170.B | 2010 – 2016 |
| MOTOR GRADER | RG80 | 2000 – 2004 |
| WHEEL LOADERS (NA) | W110 | 2006 – 2012 |
| WHEEL LOADER TIER 3 (NA) | W110B | 2008 – 2012 |
| WHEEL LOADER | W110TC | 2005 – 2007 |
| WHEEL LOADER (W130/W130TC) (NA) | W130 | 1997 – 2007 |
| WHEEL LOADER TIER 3 (NA) | W130B | 2007 – 2012 |
| WHEEL LOADER - TIER 2 (INT) | W130C | 2012 – 2016 |
| WHEEL LOADERS | W130TC | 2005 – 2016 |