2003 Chevrolet Tahoe Battery Size
Battery size varies by engine. Values below are catalog-confirmed — engines are not merged.
LM7
- Group 75-2700 CCA
- Group 78-AGM740 CCA
- Group 78FT-2800 CCA
| Group | CCA | L × W × H |
|---|---|---|
| 75-2 | 700 | 9.06 × 7.06 × 7.68" |
| 78-AGM | 740 | 10.25 × 7.06 × 7.68" |
| 78FT-2 | 800 | 10.25 × 7.06 × 7.68" |
LR4
- Group 75FT-3700 CCA
- Group 78-1700 CCA
- Group 78-AGM740 CCA
| Group | CCA | L × W × H |
|---|---|---|
| 75FT-3 | 700 | 9.06 × 7.06 × 7.68" |
| 78-1 | 700 | 10.25 × 7.06 × 7.68" |
| 78-AGM | 740 | 10.25 × 7.06 × 7.68" |
Replacement batteries for a 2003 Chevrolet Tahoe
Products below have catalog compatibility for the 2003 Chevrolet Tahoe. Compatibility is not a guarantee of installation fit for every option package.
Optima Batteries 8004-003 34/78 RedTop Starting Battery
Fits your 2003 Chevrolet Tahoe
$269.99 catalog price — may not be current
View on Amazon
Optima Batteries OPT8014-045 8014-045 D34/78 YellowTop Dual Purpose Battery
Fits your 2003 Chevrolet Tahoe
$299.99 catalog price — may not be current
View on Amazon
Optima Batteries OPT8022-091 8022-091 75/25 RedTop Starting Battery
Fits your 2003 Chevrolet Tahoe
$239.99 catalog price — may not be current
View on Amazon