| Teams for 2004 Pennsylvania 500 |
|---|
| Car | Team | Driver | Mfg |
|---|---|---|---|
| 0 | Gene Haas | Ward Burton |  |
| 01 | Nelson Bowers | Joe Nemechek | |
| 2 | Penske/Jasper Racing | Rusty Wallace |  |
| 02 | SCORE Motorsports | Jason Jarrett | |
| 4 | Larry McClure | Jimmy Spencer | |
| 5 | Rick Hendrick | Terry Labonte | |
| 6 | Jack Roush | Mark Martin |  |
| 8 | Dale Earnhardt | Dale Earnhardt, Jr. | |
| 9 | Ray Evernham | Kasey Kahne | |
| 10 | James Rocco | Scott Riggs | |
| 12 | Penske/Jasper Racing | Ryan Newman | |
| 13 | James Wilsberg | Greg Sacks | |
| 15 | Dale Earnhardt | Michael Waltrip | |
| 16 | Jack Roush | Greg Biffle | |
| 17 | Jack Roush | Matt Kenseth | |
| 18 | Joe Gibbs | Bobby Labonte | |
| 19 | Ray Evernham | Jeremy Mayfield | |
| 20 | Joe Gibbs | Tony Stewart | |
| 21 | Wood Brothers Racing | Ricky Rudd | |
| 22 | Bill Davis | Scott Wimmer | |
| 24 | Rick Hendrick | Jeff Gordon | |
| 25 | Rick Hendrick | Brian Vickers | |
| 29 | Richard Childress | Kevin Harvick | |
| 30 | Richard Childress | Dave Blaney | |
| 31 | Richard Childress | Robby Gordon | |
| 32 | Cal Wells | Ricky Craven | |
| 38 | Robert Yates | Elliott Sadler | |
| 40 | Chip Ganassi | Sterling Marlin | |
| 41 | Chip Ganassi | Casey Mears | |
| 42 | Chip Ganassi | Jamie McMurray | |
| 43 | Richard Petty | Jeff Green | |
| 45 | Richard Petty | Kyle Petty | |
| 48 | Rick Hendrick | Jimmie Johnson | |
| 49 | Beth Ann Morgenthau | Ken Schrader | |
| 50 | Arnold Motorsports | P.J. Jones | |
| 77 | Penske/Jasper Racing | Brendan Gaughan | |
| 80 | Hover Motorsports | Carl Long | |
| 88 | Robert Yates | Dale Jarrett | |
| 89 | Shepherd Racing Ventures | Morgan Shepherd | |
| 97 | Jack Roush | Kurt Busch | |
| 98 | Mach 1 Motorsports | Todd Bodine | |
| 99 | Jack Roush | Jeff Burton | |
| 172 | Kirk Shelmerdine | Kirk Shelmerdine | |
