* Engine size: (e.g., 4.0L V6, 4.6L V8, etc.)
* Whether you have a convertible or coupe: This can influence battery size and location.
* Your current battery's group size: If you still have the original battery, look for a sticker or label on it that will list a group size (e.g., 24F, 48, 78, etc.).
Once I have this information, I can provide you with the correct battery type for your car.
In the meantime, you can also find this information by checking the owner's manual for your 2004 Ford Mustang.
