Complete battery specifications for your 2003 Ram 1500.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| Premium | 2.0L I4 | 34 | 554 CCA | 92 min | Top Post |
| King Ranch | 2.0L I4 | 78 | 557 CCA | 96 min | Top Post |
| XL | 2.0L I4 | 24F | 620 CCA | 102 min | Dual Terminal |
| XLT | 2.5L I4 | 78 | 605 CCA | 103 min | Dual Terminal |
| Lariat | 2.5L I4 | 24F | 665 CCA | 113 min | Dual Terminal |
| SEL | 2.5L I4 | 24F | 624 CCA | 108 min | Top Post |
| Limited | 2.5L I4 | 24F | 603 CCA | 104 min | Dual Terminal |
| Premium | 2.5L I4 | 35 | 602 CCA | 109 min | Dual Terminal |
| Denali | 3.0L V6 | 35 | 834 CCA | 129 min | Top Post |
| XL | 3.0L V6 | 35 | 731 CCA | 118 min | Top Post |
| Lariat | 3.0L V6 | 35 | 751 CCA | 123 min | Side Post |
| SEL | 3.0L V6 | 35 | 811 CCA | 121 min | Dual Terminal |
| Premium | 3.0L V6 | 78 | 733 CCA | 123 min | Top Post |