Cobalt Tools 500
| Venue: | Phoenix International Raceway | 
| Main sponsor: | O'Reilly Auto Parts | 
| First race: | 1988 | 
| Distance: | 312 miles (502 km) | 
| Number of laps: | 312 | 
| Former names: | 
Checker 500 (1988, 1990)
 Autoworks 500 (1989) Pyroil 500 (1991) Pyroil 500K (1992) Slick 50 500 (1993-1994) Dura Lube 500 (1995-1996) Dura Lube 500 Presented by Kmart (1997) Dura Lube / Kmart 500 (1998) Checker Auto Parts / Dura Lube 500 (1999, 2000) Checker Auto Parts 500 Presented by Pennzoil (2001, 2004-2007) Checker Auto Parts 500 (2002, 2004) Checker Auto Parts 500 Presented by Havoline (2003) Checker O'Reilly Auto Parts 500 (2009)  | 
The Kobalt Tools 500 is a race in the Monster Energy NASCAR Cup Series . It takes place in November at the Phoenix International Raceway in Avondale , Arizona . The race is part of the Chase for the Sprint Cup and is the penultimate race of the season.
winner
- 2019: Denny Hamlin
 
 - 2018: Kyle Busch
 
 - 2017: Matt Kenseth
 
 - 2016: Joey Logano
 
 - 2015: Dale Earnhardt junior
 
 - 2014: Kevin Harvick
 
 - 2013: Kevin Harvick
 
 - 2012: Kevin Harvick
 
 - 2011: Kasey Kahne
 
 - 2010: Carl Edwards
 
 - 2009: Jimmie Johnson
 
 - 2008: Jimmie Johnson
 
 - 2007: Jimmie Johnson
 
 - 2006: Kevin Harvick
 
 - 2005: Kyle Busch
 
 - 2004: Dale Earnhardt junior
 
 - 2003: Dale Earnhardt junior
 
 - 2002: Matt Kenseth
 
 - 2001: Jeff Burton
 
 - 2000: Jeff Burton
 
 - 1999: Tony Stewart
 
 - 1998: Rusty Wallace
 
 - 1997: Dale Jarrett
 
 - 1996: Bobby Hamilton Sr.
 
 - 1995: Ricky Rudd
 
 - 1994: Terry Labonte
 
 - 1993: Mark Martin
 
 - 1992: Davey Allison
 
 - 1991: Davey Allison
 
 - 1990: Dale Earnhardt
 
 - 1989: Bill Elliott
 
 - 1988: Alan Kulwicki