Back Duck Commander 500 German O'Reilly Auto Parts 500 English O'Reilly Auto Parts 500 French O'Reilly Auto Parts 500 ID Samsung Mobile 500 Italian NRA 500 Dutch O'Reilly Auto Parts 500 Portuguese O'Reilly Auto Parts 500 Swedish
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| Monster Energy NASCAR Cup Series | |
|---|---|
| Venue | Texas Motor Speedway |
| Location | Fort Worth, Texas, United States |
| Corporate sponsor | O'Reilly Auto Parts |
| First race | 1997 |
| Distance | 501 miles (806 km) |
| Laps | 334 (Stage 1: 85 Stage 2: 85 Stage 3: 164) |
| Previous names | Interstate Batteries 500 (1997) Texas 500 (1998) Primestar 500 (1999) DirecTV 500 (2000) Harrah's 500 (2001) Samsung / RadioShack 500 (2002–2006) Samsung 500 (2007–2009) Samsung Mobile 500 (2010–2012) NRA 500 (2013) Duck Commander 500 (2014–2016) |
| Most wins (driver) | Kyle Busch (3) |
| Most wins (team) | Roush Fenway Racing (7) |
| Most wins (manufacturer) | Ford (10) |
| Circuit information | |
| Surface | Asphalt |
| Length | 1.5 mi (2.4 km) |
| Turns | 4 |
The O'Reilly Auto Parts 500 is an annual Monster Energy NASCAR Cup Series race held at Texas Motor Speedway in Fort Worth, Texas, United States.