Mechman Alternators 11532250

250 Amp E Series Alternator for Select 2011 - 2014 Ford 5.0 Liter Truck Engines, F-150

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Mechman Elite Series High Output Alternators

Mechman Elite Series High Output Alternators

The 6 Phase Advantage

Mechman Elite Series alternators employ cutting edge alternator technology not found in other aftermarket alternators. 6 phase hairpin stators make Elite Series alternators fundamentally more efficient than other aftermarket alternators. This technology and increased efficiency equates to incredible output at extremely low engine RPM, less energy wasted in the form of heat and more horsepower to the wheels. Also, because less heat is being generated, the internal components of Elite Series alternators last longer. This is especially beneficial on turbocharged and/or endurance racing vehicles with high engine compartment temperatures. All Elite alternators feature soldered stator and rectifier connections, with epoxy re-enforced stator connections, reducing the chance of vibration failures.

Mechman Elite Series High Output Alternators

High Pole Count

In addition, Mechman Elite Series units are built exclusively with precision balanced low-mass rotors that allow them to operate safely at shaft speeds of 20,000+ rpm. This high RPM capability, combined with excellent output at idle, gives the user a much broader operating RPM range, and more flexibility in the size of the crankshaft pulley used. A properly selected Elite Series alternator can even fix low voltage problems caused by using small diameter, or "underdriven" pulley ratios. The higher pole count in the rotor also results in less electromagnetic interference to cause problems with radios and other electronics.

Mechman Elite Series High Output Alternators

Twin Rectifiers

As a final precaution, Mechman Elite Series alternators are constructed with twin high efficiency cooling fans, and twin internal rectifier plates. While other high performance alternators have only one rectifier with 6 diodes, Elite Series units boast 12 press fit diodes with 300% more surface area to dissipate heat. These considerations to cooling airflow and heat dissipation make Elite Series high performance alternators the most durable aftermarket alternators you can buy. If you are experiencing pre-mature alternator failure, intermittent electrical accessory problems, or low voltage at any engine RPM, a Elite Series 6 phase alternator is the answer!

General Features:

  • 250A High Amperage Alternator
  • Elite series offers the highest possible amperage and durability available in a large case alternator
  • 6 phase technology combined with massive twin rectifier assemblies
  • 12 diodes makes these alternators totally durable for daily use
  • Maintains 200+ Amps at engine idle speeds
  • High amperage alternator with superior amperage output over OEM alternators
  • Feature solid copper custom rectifiers for great durability
  • Oversize press fit diodes and premium bearings
  • Higher amperage output at lower RPM than other alternator options
  • Heavy duty regulator
  • Premium NTN bearings
  • Every unit is dyno tested prior to shipping from manufacture's facility
  • All Mechman alternators are built in the U.S. by hand
  • Authorized Internet Dealer
  • 2 Year Manufacturer's Warranty

Compatibility List*:

  • Ford:
    • 2011 - 2014 F-150, 3.0 Liter Engines

Installation Notes

  • This unit comes equipped with a smaller 1.75 inch diameter alternator pulley, and will require a slightly shorter drive belt for proper belt tension.
*Vehicles not listed cannot be confirmed as being compatible. Please contact our Sales Specialists to check if we have a solution for your vehicle, and/or contact the manufacture's support team.

Not Sure Which Alternator Fits Your Vehicle?

Check the 2015 Mechman Alternators Vehicle Fit Guide to find the right alternator for your vehicle!

Product Specifications

Amperage Output
Compatible Vehicle Make and Model
The model of vehicle that this vehicle specific product is designed for. Please keep in mind that engine variations can affect the compatibility of the products.
Ford F-150

Warranty and Return Policy

Parts Warranty Duration
2 years
Labor Warranty Duration
2 years
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

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Accessory Tools and Products

Accessories added

MechMan Alternators BIG3

Premium Zero Gauge "Big 3" Cable Upgrade Kit

Your Price $69.95

Perfect Match Big 3 Kit

Get the right Big 3 Kit to go with your High Output Alternator

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Mechman Alternators 1020R

Secondary Battery Installation Kit for Audio Systems up to 4000 Watts

Your Price $89.00

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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Mechman Alternators 11532250

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Mechman Alternators 11532250

250 Amp E Series Alternator for Select 2011 - 2014 Ford 5.0 Liter Truck Engines, F-150


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MechMan Alternators BIG3

Premium Zero Gauge "Big 3" Cable Upgrade Kit


Mechman Alternators 1020R

Secondary Battery Installation Kit for Audio Systems up to 4000 Watts



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