| Teams for 2003 Las Vegas 350 |
|---|
| Car | Team | Driver | Mfg |
|---|---|---|---|
| 01 | Fans Racing | Lance Hooper |  |
| 1 | Ultra Motorsports | Ted Musgrave |  |
| 2 | Ultra Motorsports | Andy Houston | |
| 03 | Team EJP Racing | Eric Jones |  |
| 4 | Bobby Hamilton | Bobby Hamilton | |
| 5 | Rick Ware | Jerry Hill | |
| 6 | Kevin Harvick | Randy LaJoie | |
| 07 | Gene Christenson | Bobby Dotter | |
| 7 | Ultra Motorsports | Tyler Walker | |
| 8 | Bobby Hamilton | Bill Lester | |
| 08 | Gene Christenson | Shane Sieg | |
| 11 | David Fuge | Jack Sprague | |
| 14 | Tom Mitchell | Rick Crawford | |
| 15 | Fasscore Motorsports | Robby Benton | |
| 16 | Steve Coulter | Travis Kvapil | |
| 18 | Bobby Hamilton | Chad Chaffin | |
| 23 | Team 23 Racing | Dana White | |
| 25 | Team Racing | Jamie Aube | |
| 27 | Doug Keller | Doug Keller | |
| 29 | Bob Keselowski | Terry Cook | |
| 38 | Daniel Whitt | Brandon Whitt | |
| 46 | Morgan-Dollar Motorsports | Dennis Setzer | |
| 49 | Mike Starr | Shawna Robinson | |
| 50 | Jack Roush | Jon Wood | |
| 53 | Mary Ward | T.J. Bell | |
| 59 | James Harris | Robert Pressley | |
| 61 | Orleans Racing | Scott Lynch | |
| 62 | Orleans Racing | Brendan Gaughan | |
| 68 | Bradford Miller | Brandon Miller | |
| 72 | MacDonald Motorsports | Randy MacDonald | |
| 75 | Wayne Spears | David Starr | |
| 86 | Team Racing | Phil Bonifield | |
| 88 | Duke Thorson | Matt Crafton | |
| 93 | Lonnie Troxell | Jerry Allec, Jr. | |
| 95 | Scott Upshaw | Wayne Edwards | |
| 99 | Jack Roush | Carl Edwards | |
