250 Amp XP High Output Alternator for Ford Mustang, Thunderbird, Expedition, F-150, F-250, Crown Victoria, and Lincoln Town car
 
























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  250 Amp XP High Output Alternator for Ford Mustang, Thunderbird, Expedition, F-150, F-250, Crown Victoria, and Lincoln Town car
250 Amp XP High Output Alternator for Ford Mustang, Thunderbird, Expedition, F-150, F-250, Crown Victoria, and Lincoln Town car


 
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Our Price: $589.95


Product Code: 7790-250-XP
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DESCRIPTION PERFORMANCE/TECHNICAL SPECS VEHICLE FITMENTS
 

250 Amp

1997-01 Ford F-150 5.4L
1997-02 Ford F-150 4.6L
1997-01 Ford F-250 6.8L
1997-01 Ford E-Series 5.4L, 4.6L, 6.8L
1997-01 Ford Expedition 5.4L, 4.6L
1998-99 Lincoln Navigatior 5.4L
Product Description

Description

The Large Case Denso Hairpin 250 Amp XP series high output alternator is a component of a next generation high efficiency, severe duty charging system specifically engineered for DC Power Engineering. This system consists of a 250 Amp alternator and internal regulator. The alternator produces a maximum of 250 amps and will produce a minimum of 160 amps continually at low idle speeds and maximum output above 1800 engine RPM. The alternator has a maximum efficiency in excess of 75 percent. The rectifier is mounted onboard the alternator and consists of 12 50 amp press fit diodes. The brush holder assembly and slip ring are environmentally protected and the bearings are heavy-duty, oversized premium bearings. The alternator housings are precision-machined cast aluminum and all components are of OEM quality. All major components being carefully chosen for maximum performance and reliability.

Technology

This new charging system features an advanced proprietary stator winding of a new design that maximizes efficiency with near 80 percent sectional density of the winding coupled with very low coil resistance. This gives the alternator maximum low speed output, as well as a 90% reduction of magnetic pulsation with the stator windings built in cancel circuit to minimize electrical noise. The internal regulator is a proprietary design advanced multifunction digital regulator that completely integrates into the vehicles PCM through the OEM wiring harness to retain all vehicle specific functions such as internal temperature compensation, lamp terminal monitoring, load response control, and alternator load factor.

Mounting

The Large Case Denso Hairpin 250 Amp XP series alternator is specially designed to mount directly in the OEM mounting location with no modification. All electrical connections shall be in the original locations. The alternator features a custom machined drive pulley for increased output at idle speeds and retains OEM belt length. The pulley is 6 Groove Hard Anodized 6061 Billet Aluminum and hard anodized coating for wear resistance and durability.

Performance

The Large Case Ford 3G OEM alternator is rated at 130 amps with 80 amps at idle. The supplied alternator makes 170 amps at normal idle. The vehicle needs a maximum of 100 amps to supply existing electrical loads with all accessories on leaving little room for additional accessories. The supplied alternator will supply an additional 80 amps of available output at hot idle output, and 90 amps additional at cold idle output, and up to 120 amps at highway speeds.

Durability

The Large Case Denso Hairpin 250 Amp XP series alternator is manufactured to the highest quality standards in the USA with premium USA made or sourced components for the highest quality possible. All of our high output alternator's parts are carefully chosen for the maximum durability, dependability and proven performance in the field.

Mounting Type Direct fit to OEM Mounting w/ Supplied Bracket
Output Voltage 14.8
Idle Amperage 170
Hot Idle Amperage @ 200ºF 160
Max Amperage 250
Hot Max Amperage @ 200ºF 220
Positive Output Stud Size 8MM x 1.25 Copper
Temperature Compensation Yes with 3-Step Thermal Protection
Rectifier 12 50 amp press fit diodes
Rectifier Heatsink Aluminum
Pulley 6 Groove Hard Anodized 6061 Billet Aluminum
Doesn't affect vehicles PCM, Check Engine Light or Charge Light Yes - w/ Supplied Adapter Harness
Warranty Duration 2 Year Standard Replacement
SKU 7776-250-XP

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