Nut Lock Stop
Case Construction ·48 Fitments
| Machine | Model | Years |
|---|---|---|
| CASE SKID KING WHEEL LOADER | 300C | 1968 – 1990 |
| DROTT SERIES-D CRAWLER EXCAVATOR (S/N 6266131 & AFTER) | 35 | 1977 – 1981 |
| CASE SKID KING WHEEL LOADER | 400C | 1972 – 1977 |
| 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 |
Enhance your heavy equipment’s performance with the Case Construction Nut Lock Stop #131-53. Designed for durability and precision, this essential part ensures secure fastening, minimizing downtime and maximizing efficiency on your job site. Trust Case for reliable construction solutions.
Compatible equipment
This part fits CASE SKID KING WHEEL LOADER, DROTT SERIES-D CRAWLER EXCAVATOR (S/N 6266131 & AFTER), 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 (NORTH AMERICA), CASE WHEEL LOADER, WHEEL LOADER - TIER 4 / TIER 2 (NA), CASE CRAWLER EXCAVATOR, CASE UNIT LOADER, CASE ARTICULATED WHEEL LOADER (PRIOR TO S/N 9119672) (NORTH AMERICA), CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER) (NORTH AMERICA), CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER), CASE ARTICULATED WHEEL LOADER (PRIOR TO S/N 9119672), CASE WHEEL LOADER (S/N 9123140 & AFTER) (NORTH AMERICA), CASE WHEEL LOADER (PRIOR TO S/N 17754000) including models 300C, 35, 400C, 521D, 521E, 521F, 521G, 600, 621B, 621C, 621D, 621E, 621F, 621G, 721B, 721C, 721D, 721E, 721F, 721G, 800, 825, 880, 880B, 880C.
Frequently asked questions
What is the part number?
The manufacturer part number is 131-53.
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
- 131-53
- Internal SKU
- IC:131-53
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.4 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 48 fitments
| Machine | Model | Years |
|---|---|---|
| CASE SKID KING WHEEL LOADER | 300C | 1968 – 1990 |
| DROTT SERIES-D CRAWLER EXCAVATOR (S/N 6266131 & AFTER) | 35 | 1977 – 1981 |
| CASE SKID KING WHEEL LOADER | 400C | 1972 – 1977 |
| 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 SKID KING WHEEL LOADER | 600 | 1972 – 1976 |
| 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 - TIER 4B (NA) | 621G | 2016 – 2022 |
| CASE WHEEL LOADER (NORTH AMERICA) | 721B | 1993 – 1998 |
| CASE WHEEL LOADER | 721C | 1999 – 2002 |
| CASE WHEEL LOADER (NORTH AMERICA) | 721D | 2003 – 2006 |
| WHEEL LOADER TIER 3 (NA) | 721E | 2006 – 2011 |
| WHEEL LOADER - TIER 4 / TIER 2 (NA) | 721F | 2011 – 2016 |
| WHEEL LOADER - TIER 4B (NA) | 721F | 2015 – 2016 |
| WHEEL LOADER - TIER 4B (NA) | 721G | 2016 – 2022 |
| CASE SKID KING WHEEL LOADER | 800 | 1972 – 1976 |
| CASE SKID KING WHEEL LOADER | 825 | 1972 – 1976 |
| CASE CRAWLER EXCAVATOR | 880 | 1971 – 1980 |
| CASE CRAWLER EXCAVATOR | 880B | 1976 – 1980 |
| CASE CRAWLER EXCAVATOR | 880C | 1980 – 1984 |
| CASE CRAWLER EXCAVATOR | 880D | 1984 – 1987 |
| CASE UNIT LOADER | W11 | 1983 |
| CASE UNIT LOADER | W11B | 1984 – 1993 |
| CASE ARTICULATED WHEEL LOADER (PRIOR TO S/N 9119672) (NORTH AMERICA) | W14 | 1972 – 1975 |
| CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER) (NORTH AMERICA) | W14 | 1975 – 1986 |
| CASE WHEEL LOADER | W14B | 1985 – 1989 |
| CASE WHEEL LOADER | W14C | 1990 – 1993 |
| CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER) | W14FL | 1975 – 1986 |
| CASE ARTICULATED WHEEL LOADER (PRIOR TO S/N 9119672) | W14H | 1972 – 1975 |
| CASE UNIT LOADER W/POD CAB (S/N 9119672 & AFTER) | W14H | 1980 – 1986 |
| CASE WHEEL LOADER (S/N 9123140 & AFTER) (NORTH AMERICA) | W18 | 1976 – 1983 |
| CASE WHEEL LOADER | W18B | 1985 – 1988 |
| 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 WHEEL LOADER (PRIOR TO S/N 17754000) | W36 | 1977 – 1989 |
| CASE WHEEL LOADER | W4 | 1978 – 1983 |