Does this pump run directly off my vehicle battery, or do I need a separate power source?

The pump is electric and requires 12V power. Tap it to your vehicle's battery or auxiliary power line — specify how you want to wire it when you order, or plan a direct battery connection with an inline fuse for safety.

Can I mount this tank in a tight space, or does the pump assembly stick out?

Tank dimensions and pump protrusion depth are not specified in the listing. Measure the assembled unit before committing to your install location — the pump and tubing connections will add vertical and horizontal clearance needs beyond the tank body itself.

What do I need to do to prep the tank before first use?

Flush the tank and tubing with clean fuel to remove any manufacturing residue, then run the pump to purge air from the lines. Do not skip this step — debris or air locks will cause pump cavitation and poor flow.