Complete battery specifications for your 2003 Chevrolet Silverado 1500.
| Trim | Engine | Group Size | Cold Cranking Amps | Reserve Capacity | Terminal |
|---|---|---|---|---|---|
| XLT | 3.0L V6 | 24F | 752 CCA | 116 min | Side Post |
| XL | 3.0L V6 | 24F | 843 CCA | 132 min | Side Post |
| Premium | 3.0L V6 | 65 | 721 CCA | 116 min | Dual Terminal |
| SEL | 3.0L V6 | 24F | 793 CCA | 124 min | Side Post |
| Platinum | 5.7L V8 | 65 | 901 CCA | 135 min | Dual Terminal |
| Denali | 5.7L V8 | 94R | 829 CCA | 132 min | Dual Terminal |
| King Ranch | 3.5L V6 | 24F | 758 CCA | 133 min | Dual Terminal |
| Lariat | 3.5L V6 | 24F | 825 CCA | 143 min | Top Post |
| Platinum | 3.5L V6 | 35 | 836 CCA | 145 min | Side Post |
| Premium | 3.5L V6 | 78 | 773 CCA | 119 min | Top Post |
| Limited | 3.5L V6 | 78 | 767 CCA | 116 min | Top Post |