The 2001 NAPA Auto Parts 500 was a NASCAR Winston Cup Series stock car race held on April 29, 2001, at California Speedway in Fontana, California.

Contested over 250 laps on the 2-mile (3.23 km) asphalt D-shaped oval, it was the tenth race of the 2001 NASCAR Winston Cup Series season.

The track, California Speedway, was a four-turn superspeedway that was 2 miles (3.2 km) long.

[1] The track's turns were banked from fourteen degrees, while the front stretch, the location of the finish line, was banked at eleven degrees.

Unlike the front stretch, the back straightaway was banked at three degrees.