Ford 5.4 Gasoline, 390 Amps, XP Series
Max-Amp alternators are the premier alternator on the market. They are designed for heavy-duty & commercial use and will provide maximum power under the most demanding conditions. Whether your demands are for any of the conditions noted below, Max-Amp alternators will fill you needs.
- High amperage (continuous or intermittent demand)
- Extremely hot conditions (Death Valley hot)
- High amperage whether idling or at road speed
- High humidity, wet conditions, chemicals, etc.
This Max-Amp heavy-duty alternator generates more power normal driving speeds and more power at idle. The XP series of Max-Amp alternators are assembled using DENSO components and produce the highest idle output. They feature larger housing while still retaining OEM fitment without any modification required. They run cooler and are virtually indestructible.
Amps @ road speed: 390 Amps
Amps @ Idle 220 Amps
This alternator is designed to be an exact factory replacement for the 5.4 Ford gasoline engine and will directly bolt-on with no modifications necessary.
A precision machined, hard anodized pulley made from Aircraft Certified 6061 aluminum is installed on each alternator for maximum output and durability. This XP series alternator comes with an unprecedented full two-year warranty.