CASE CONSTRUCTION
OEM
Part No. L126191
Thermostatic Switch
Case Construction ·186 Fitments
Ships fastFrom our warehouse
30-day returnsNo restocking fees
OEM guaranteedDirect from manufacturer
| Machine | Model | Years |
|---|---|---|
| CASE CRUZ-AIR WHEELED EXCAVATOR | 1085C | 1984 – 1989 |
| CASE CRUZ-AIR WHEELED EXCAVATOR | 1085C | 1984 – 1989 |
| CASE CRUZ-AIR WHEELED EXCAVATOR | 1085C | 1984 – 1989 |
| CASE CRUZ-AIR WHEELED EXCAVATOR | 1085C | 1984 – 1989 |
| CASE CRUZ-AIR WHEELED EXCAVATOR | 1085C | 1984 – 1989 |
| CASE LOGGER CRAWLER EXCAVATOR | 1187B | 1985 – 1988 |
| CASE LOGGER CRAWLER EXCAVATOR | 1187B | 1985 – 1988 |
| CASE LOGGER CRAWLER EXCAVATOR | 1187B | 1985 – 1988 |
| CASE LOGGER CRAWLER EXCAVATOR | 1187B | 1985 – 1988 |
| CASE LOGGER CRAWLER EXCAVATOR | 1187B | 1985 – 1988 |
Ensure optimal engine performance with the Case Construction Thermostatic Switch #L126191. Designed for durability and precision, this essential component regulates coolant temperature, enhancing efficiency and extending the lifespan of your heavy equipment. Perfect for reliable operation in demanding conditions.
Compatible equipment
This part fits CASE CRUZ-AIR WHEELED EXCAVATOR, CASE LOGGER CRAWLER EXCAVATOR, CASE FELLER/BUNCHER CRAWLER EXCAVATOR, WHEEL LOADER TURBO, ARTICULATED WHEEL LOADER (BRAZIL), CASE WHEEL LOADER (BEFORE S/N JEE0135500), CASE WHEEL LOADER (S/N JEE0135501 & AFTER) - ENGINE SUPPLEMENT, CASE WHEEL LOADER - EUROPE (N4HE00001- / XT N4HE04001-), CASE WHEEL LOADER - EUROPE (N6HE00001- / XT N6HE04001-), CASE WHEEL LOADER - EUROPE (S/N JEE0135501 & AFTER), CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER), CASE WHEEL LOADER (EUROPE), 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, CASE ARTICULATED WHEEL LOADER (BRAZIL), CASE WHEEL LOADER (S/N JEE0155000 & BEFORE), CASE WHEEL LOADER (S/N JEE0155001 & AFTER), CASE CRAWLER EXCAVATOR, CASE CRAWLER EXCAVATOR (NORTH AMERICA), WHEEL LOADER (BRAZIL) including models 1085C, 1187B, 1187C, 12D TURBO BR, 521D, 621, 621B, 621C, 621D, 721, 721B, 721C, 821, 821B, 821C, 9010, 9010B, 9020, 9020B, 9030, 9030B, 9040, 9040B, 9045B, 921.
Frequently asked questions
What is the part number?
The manufacturer part number is L126191.
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
- L126191
- Internal SKU
- IC:L126191
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.12 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 186 fitments
| Machine | Model | Years |
|---|---|---|
| CASE CRUZ-AIR WHEELED EXCAVATOR | 1085C | 1984 – 1989 |
| CASE CRUZ-AIR WHEELED EXCAVATOR | 1085C | 1984 – 1989 |
| CASE CRUZ-AIR WHEELED EXCAVATOR | 1085C | 1984 – 1989 |
| CASE CRUZ-AIR WHEELED EXCAVATOR | 1085C | 1984 – 1989 |
| CASE CRUZ-AIR WHEELED EXCAVATOR | 1085C | 1984 – 1989 |
| CASE LOGGER CRAWLER EXCAVATOR | 1187B | 1985 – 1988 |
| CASE LOGGER CRAWLER EXCAVATOR | 1187B | 1985 – 1988 |
| CASE LOGGER CRAWLER EXCAVATOR | 1187B | 1985 – 1988 |
| CASE LOGGER CRAWLER EXCAVATOR | 1187B | 1985 – 1988 |
| CASE LOGGER CRAWLER EXCAVATOR | 1187B | 1985 – 1988 |
| CASE FELLER/BUNCHER CRAWLER EXCAVATOR | 1187C | 1989 – 1992 |
| CASE FELLER/BUNCHER CRAWLER EXCAVATOR | 1187C | 1989 – 1992 |
| CASE FELLER/BUNCHER CRAWLER EXCAVATOR | 1187C | 1989 – 1992 |
| CASE FELLER/BUNCHER CRAWLER EXCAVATOR | 1187C | 1989 – 1992 |
| CASE FELLER/BUNCHER CRAWLER EXCAVATOR | 1187C | 1989 – 1992 |
| WHEEL LOADER TURBO | 12D TURBO BR | 2014 – 2016 |
| WHEEL LOADER TURBO | 12D TURBO BR | 2014 – 2016 |
| ARTICULATED WHEEL LOADER (BRAZIL) | 521D | 2000 – 2009 |
| ARTICULATED WHEEL LOADER (BRAZIL) | 521D | 2000 – 2009 |
| CASE WHEEL LOADER (BEFORE S/N JEE0135500) | 521D | 2000 – 2002 |
| CASE WHEEL LOADER (BEFORE S/N JEE0135500) | 521D | 2000 – 2002 |
| CASE WHEEL LOADER (BEFORE S/N JEE0135500) | 521D | 2000 – 2002 |
| CASE WHEEL LOADER (BEFORE S/N JEE0135500) | 521D | 2000 – 2002 |
| 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 (S/N JEE0135501 & AFTER) - ENGINE SUPPLEMENT | 521D | 2000 – 2002 |
| CASE WHEEL LOADER (S/N JEE0135501 & AFTER) - ENGINE SUPPLEMENT | 521D | 2000 – 2002 |
| CASE WHEEL LOADER (S/N JEE0135501 & AFTER) - ENGINE SUPPLEMENT | 521D | 2000 – 2002 |
| CASE WHEEL LOADER (S/N JEE0135501 & AFTER) - ENGINE SUPPLEMENT | 521D | 2000 – 2002 |
| CASE WHEEL LOADER - EUROPE (N4HE00001- / XT N4HE04001-) | 521D | 2000 – 2002 |
| CASE WHEEL LOADER - EUROPE (N4HE00001- / XT N4HE04001-) | 521D | 2000 – 2002 |
| CASE WHEEL LOADER - EUROPE (N4HE00001- / XT N4HE04001-) | 521D | 2000 – 2002 |
| CASE WHEEL LOADER - EUROPE (N6HE00001- / XT N6HE04001-) | 521D | 2000 – 2009 |
| CASE WHEEL LOADER - EUROPE (N6HE00001- / XT N6HE04001-) | 521D | 2000 – 2009 |
| CASE WHEEL LOADER - EUROPE (N6HE00001- / XT N6HE04001-) | 521D | 2000 – 2009 |
| CASE WHEEL LOADER - EUROPE (S/N JEE0135501 & AFTER) | 521D | 2000 – 2002 |
| CASE WHEEL LOADER - EUROPE (S/N JEE0135501 & AFTER) | 521D | 2000 – 2002 |
| CASE WHEEL LOADER - EUROPE (S/N JEE0135501 & AFTER) | 521D | 2000 – 2002 |
| CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER) | 521D | 2000 – 2002 |
| CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER) | 521D | 2000 – 2002 |
| CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER) | 521D | 2000 – 2002 |
| CASE WHEEL LOADER - NA (S/N JEE0135501 & AFTER) | 521D | 2000 – 2002 |
| CASE WHEEL LOADER (EUROPE) | 621 | 1992 |
| CASE WHEEL LOADER (EUROPE) | 621 | 1992 |
| CASE WHEEL LOADER (EUROPE) | 621 | 1992 |
| CASE WHEEL LOADER (PRIOR TO S/N JAK0021701) (NORTH AMERICA) | 621 | 1992 – 1993 |
| CASE WHEEL LOADER (PRIOR TO S/N JAK0021701) (NORTH AMERICA) | 621 | 1992 – 1993 |
| CASE WHEEL LOADER (PRIOR TO S/N JAK0021701) (NORTH AMERICA) | 621 | 1992 – 1993 |
| 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 (S/N JAK0021701 & AFTER) (NORTH AMERICA) | 621 | 1992 – 1993 |
| CASE WHEEL LOADER (S/N JAK0021701 & AFTER) (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 (NORTH AMERICA) | 621B | 1993 – 1998 |
| CASE WHEEL LOADER (NORTH AMERICA) | 621B | 1993 – 1998 |
| CASE WHEEL LOADER (NORTH AMERICA) | 621B | 1993 – 1998 |
| CASE WHEEL LOADER | 621C | 1999 – 2001 |
| CASE WHEEL LOADER | 621C | 1999 – 2001 |
| CASE WHEEL LOADER | 621C | 1999 – 2001 |
| CASE WHEEL LOADER | 621C | 1999 – 2001 |
| CASE WHEEL LOADER | 621C | 1999 – 2001 |
| ARTICULATED WHEEL LOADER (BRAZIL) | 621D | 2008 – 2016 |
| ARTICULATED WHEEL LOADER (BRAZIL) | 621D | 2008 – 2016 |
| CASE WHEEL LOADER (BEFORE S/N JEE0135500) | 621D | 2000 – 2002 |
| CASE WHEEL LOADER (BEFORE S/N JEE0135500) | 621D | 2000 – 2002 |
| CASE WHEEL LOADER (BEFORE S/N JEE0135500) | 621D | 2000 – 2002 |
| CASE WHEEL LOADER (BEFORE S/N JEE0135500) | 621D | 2000 – 2002 |
| CASE WHEEL LOADER (BEFORE S/N JEE0135500) | 621D | 2000 – 2002 |
| CASE WHEEL LOADER (EUROPE) | 721 | 1992 |
| CASE WHEEL LOADER (EUROPE) | 721 | 1992 |
| CASE WHEEL LOADER (EUROPE) | 721 | 1992 |
| CASE WHEEL LOADER (NORTH AMERICA) | 721 | 1989 – 1992 |
| CASE WHEEL LOADER (NORTH AMERICA) | 721 | 1989 – 1992 |
| CASE WHEEL LOADER (NORTH AMERICA) | 721 | 1989 – 1992 |
| CASE WHEEL LOADER (NORTH AMERICA) | 721 | 1989 – 1992 |
| CASE WHEEL LOADER (NORTH AMERICA) | 721 | 1989 – 1992 |
| CASE WHEEL LOADER (NORTH AMERICA) | 721B | 1993 – 1998 |
| CASE WHEEL LOADER (NORTH AMERICA) | 721B | 1993 – 1998 |
| CASE WHEEL LOADER (NORTH AMERICA) | 721B | 1993 – 1998 |
| CASE WHEEL LOADER (NORTH AMERICA) | 721B | 1993 – 1998 |
| CASE WHEEL LOADER | 721C | 1999 – 2002 |
| CASE WHEEL LOADER | 721C | 1999 – 2002 |
| CASE WHEEL LOADER | 721C | 1999 – 2002 |
| CASE WHEEL LOADER | 721C | 1999 – 2002 |
| CASE WHEEL LOADER | 721C | 1999 – 2002 |
| CASE WHEEL LOADER | 721C | 1999 – 2002 |
| CASE WHEEL LOADER (EUROPE) | 821 | 1990 – 1992 |
| CASE WHEEL LOADER (EUROPE) | 821 | 1990 – 1992 |
| CASE WHEEL LOADER (EUROPE) | 821 | 1990 – 1992 |
| CASE WHEEL LOADER (NORTH AMERICA) | 821 | 1990 – 1992 |
| CASE WHEEL LOADER (NORTH AMERICA) | 821 | 1990 – 1992 |
| CASE WHEEL LOADER (NORTH AMERICA) | 821 | 1990 – 1992 |
| CASE WHEEL LOADER (NORTH AMERICA) | 821 | 1990 – 1992 |
| CASE ARTICULATED WHEEL LOADER (BRAZIL) | 821B | 1996 – 2000 |
| CASE ARTICULATED WHEEL LOADER (BRAZIL) | 821B | 1996 – 2000 |
| CASE ARTICULATED WHEEL LOADER (BRAZIL) | 821B | 1996 – 2000 |
| CASE WHEEL LOADER (NORTH AMERICA) | 821B | 1996 – 1997 |
| CASE WHEEL LOADER (NORTH AMERICA) | 821B | 1996 – 1997 |
| CASE WHEEL LOADER (NORTH AMERICA) | 821B | 1996 – 1997 |
| CASE WHEEL LOADER (NORTH AMERICA) | 821B | 1996 – 1997 |
| CASE ARTICULATED WHEEL LOADER (BRAZIL) | 821C | 2000 – 2003 |
| CASE ARTICULATED WHEEL LOADER (BRAZIL) | 821C | 2000 – 2003 |
| CASE WHEEL LOADER (S/N JEE0155000 & BEFORE) | 821C | 2002 – 2006 |
| CASE WHEEL LOADER (S/N JEE0155000 & BEFORE) | 821C | 2002 – 2006 |
| CASE WHEEL LOADER (S/N JEE0155000 & BEFORE) | 821C | 2002 – 2006 |
| CASE WHEEL LOADER (S/N JEE0155000 & BEFORE) | 821C | 2002 – 2006 |
| CASE WHEEL LOADER (S/N JEE0155000 & BEFORE) | 821C | 2002 – 2006 |
| CASE WHEEL LOADER (S/N JEE0155001 & AFTER) | 821C | 2003 – 2007 |
| CASE WHEEL LOADER (S/N JEE0155001 & AFTER) | 821C | 2003 – 2007 |
| CASE WHEEL LOADER (S/N JEE0155001 & AFTER) | 821C | 2003 – 2007 |
| CASE WHEEL LOADER (S/N JEE0155001 & AFTER) | 821C | 2003 – 2007 |
| CASE WHEEL LOADER (S/N JEE0155001 & AFTER) | 821C | 2003 – 2007 |
| CASE CRAWLER EXCAVATOR | 9010 | 1993 – 1994 |
| CASE CRAWLER EXCAVATOR | 9010 | 1993 – 1994 |
| CASE CRAWLER EXCAVATOR | 9010 | 1993 – 1994 |
| CASE CRAWLER EXCAVATOR | 9010 | 1993 – 1994 |
| CASE CRAWLER EXCAVATOR | 9010 | 1993 – 1994 |
| CASE CRAWLER EXCAVATOR | 9010B | 1995 – 2000 |
| CASE CRAWLER EXCAVATOR | 9010B | 1995 – 2000 |
| CASE CRAWLER EXCAVATOR | 9010B | 1995 – 2000 |
| CASE CRAWLER EXCAVATOR | 9010B | 1995 – 2000 |
| CASE CRAWLER EXCAVATOR | 9010B | 1995 – 2000 |
| CASE CRAWLER EXCAVATOR | 9020 | 1993 – 1994 |
| CASE CRAWLER EXCAVATOR | 9020 | 1993 – 1994 |
| CASE CRAWLER EXCAVATOR | 9020 | 1993 – 1994 |
| CASE CRAWLER EXCAVATOR | 9020 | 1993 – 1994 |
| CASE CRAWLER EXCAVATOR | 9020 | 1993 – 1994 |
| CASE CRAWLER EXCAVATOR | 9020B | 1995 – 2000 |
| CASE CRAWLER EXCAVATOR | 9020B | 1995 – 2000 |
| CASE CRAWLER EXCAVATOR | 9020B | 1995 – 2000 |
| CASE CRAWLER EXCAVATOR | 9020B | 1995 – 2000 |
| CASE CRAWLER EXCAVATOR | 9020B | 1995 – 2000 |
| CASE CRAWLER EXCAVATOR | 9030 | 1992 – 1994 |
| CASE CRAWLER EXCAVATOR | 9030 | 1992 – 1994 |
| CASE CRAWLER EXCAVATOR | 9030 | 1992 – 1994 |
| CASE CRAWLER EXCAVATOR | 9030 | 1992 – 1994 |
| CASE CRAWLER EXCAVATOR | 9030 | 1992 – 1994 |
| CASE CRAWLER EXCAVATOR | 9030B | 1994 – 2000 |
| CASE CRAWLER EXCAVATOR | 9030B | 1994 – 2000 |
| CASE CRAWLER EXCAVATOR | 9030B | 1994 – 2000 |
| CASE CRAWLER EXCAVATOR | 9030B | 1994 – 2000 |
| CASE CRAWLER EXCAVATOR | 9030B | 1994 – 2000 |
| CASE CRAWLER EXCAVATOR | 9040 | 1993 – 1994 |
| CASE CRAWLER EXCAVATOR | 9040 | 1993 – 1994 |
| CASE CRAWLER EXCAVATOR | 9040 | 1993 – 1994 |
| CASE CRAWLER EXCAVATOR | 9040 | 1993 – 1994 |
| CASE CRAWLER EXCAVATOR | 9040 | 1993 – 1994 |
| CASE CRAWLER EXCAVATOR | 9040B | 1994 – 2000 |
| CASE CRAWLER EXCAVATOR | 9040B | 1994 – 2000 |
| CASE CRAWLER EXCAVATOR | 9040B | 1994 – 2000 |
| CASE CRAWLER EXCAVATOR | 9040B | 1994 – 2000 |
| CASE CRAWLER EXCAVATOR | 9040B | 1994 – 2000 |
| CASE CRAWLER EXCAVATOR | 9045B | 1998 – 2000 |
| CASE CRAWLER EXCAVATOR | 9045B | 1998 – 2000 |
| CASE CRAWLER EXCAVATOR | 9045B | 1998 – 2000 |
| CASE CRAWLER EXCAVATOR | 9045B | 1998 – 2000 |
| CASE CRAWLER EXCAVATOR | 9045B | 1998 – 2000 |
| CASE WHEEL LOADER | 921 | 1992 – 1995 |
| CASE WHEEL LOADER | 921 | 1992 – 1995 |
| CASE WHEEL LOADER | 921 | 1992 – 1995 |
| CASE WHEEL LOADER | 921 | 1992 – 1995 |
| CASE WHEEL LOADER (NORTH AMERICA) | 921B | 1997 – 1998 |
| CASE WHEEL LOADER (NORTH AMERICA) | 921B | 1997 – 1998 |
| CASE WHEEL LOADER (NORTH AMERICA) | 921B | 1997 – 1998 |
| CASE WHEEL LOADER (NORTH AMERICA) | 921B | 1997 – 1998 |
| CASE WHEEL LOADER (S/N JEE0155001 & AFTER) | 921C | 1999 – 2007 |
| CASE WHEEL LOADER (S/N JEE0155001 & AFTER) | 921C | 1999 – 2007 |
| CASE WHEEL LOADER (S/N JEE0155001 & AFTER) | 921C | 1999 – 2007 |
| CASE WHEEL LOADER (S/N JEE0155001 & AFTER) | 921C | 1999 – 2007 |
| CASE WHEEL LOADER (S/N JEE0155001 & AFTER) | 921C | 1999 – 2007 |
| CASE WHEEL LOADER (S/N JEE0155001 & AFTER) | 921C | 1999 – 2007 |
| CASE CRAWLER EXCAVATOR (NORTH AMERICA) | CX130 | 2000 – 2008 |
| CASE CRAWLER EXCAVATOR (NORTH AMERICA) | CX130 | 2000 – 2008 |
| CASE CRAWLER EXCAVATOR (NORTH AMERICA) | CX130 | 2000 – 2008 |
| CASE CRAWLER EXCAVATOR (NORTH AMERICA) | CX130 | 2000 – 2008 |
| CASE CRAWLER EXCAVATOR (NORTH AMERICA) | CX160 | 2000 – 2006 |
| CASE CRAWLER EXCAVATOR (NORTH AMERICA) | CX160 | 2000 – 2006 |
| CASE CRAWLER EXCAVATOR (NORTH AMERICA) | CX160 | 2000 – 2006 |
| CASE CRAWLER EXCAVATOR (NORTH AMERICA) | CX160 | 2000 – 2006 |
| WHEEL LOADER (BRAZIL) | W130 | 2006 – 2016 |
| WHEEL LOADER (BRAZIL) | W130 | 2006 – 2016 |
| WHEEL LOADER (BRAZIL) | W130 | 2006 – 2016 |
| WHEEL LOADER (BRAZIL) | W130TC | 2006 – 2016 |
| WHEEL LOADER (BRAZIL) | W130TC | 2006 – 2016 |
| WHEEL LOADER (BRAZIL) | W130TC | 2006 – 2016 |