1997 - 2002 Ford Expedition Alternator

AutoTech Engineering
SKU:
HP-7791-NO
$425.00
(No reviews yet)
Weight:
15.00 LBS
Width:
10.00 (in)
Height:
10.00 (in)
Depth:
10.00 (in)
Shipping:
Free Shipping
Current Stock:
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Product Details

Overview

Review the product information above for 1997 - 2002 Ford Expedition Alternator, including images, price, options, variants, availability, quantity, financing, and add-to-cart controls. This product can be matched with the right supporting equipment to help complete a reliable car audio system.

Specifications
  • SKU: HP-7791-NO
  • Brand: AutoTech Engineering
  • Weight:
  • Price: See current product price above.
  • Availability: See live stock and option availability above.
Fitment / Compatibility

Confirm vehicle fitment, mounting space, power requirements, impedance, wiring, enclosure needs, and option selections before ordering. For vehicle-specific builds, compare this product with your current system and installation plan.

Installation Notes

Plan the install around clean power, proper wire size, correct fusing, secure mounting, and compatible equipment. Higher-output systems may need upgraded batteries, alternators, grounds, and installation accessories.

Shipping & Returns

Shipping options, delivery timing, and return eligibility can vary by product, destination, and order details. Review checkout details before placing your order or contact Crystal Audio Solutions with questions.

FAQs

How do I know if this product fits my vehicle or system?
Check the product details, dimensions, power requirements, options, and compatibility notes before ordering.

Do I need additional wiring, electrical upgrades, or installation accessories?
Many car audio upgrades require proper wiring, fusing, grounds, batteries, alternators, mounting hardware, or enclosures.

Can CAS help me choose matching products?
Yes. CAS can help match this product with the right supporting upgrades for your build.

What should I check before installation?
Confirm fitment, mounting depth, wiring size, fuse ratings, impedance, amplifier compatibility, and electrical capacity.

Need Help Choosing This Product?

If you are matching this product to a full system, CAS can help with amplifier power, subwoofer goals, speaker pods, wiring, batteries, alternators, and installation planning.

 

Small case alternator available only in 320a

160 amps at 650 rpms

320 amp at 1800 rpms

Large Case Alternators

220 amps at 650 rpms

Full amps at 1800rpms

 

AutoTech Engineering Alernators require a .5 inch smaller belt than your OEM Alternator

 

AutoTech Engineering alternators need a minimum of 650rpm to charge.

 

Unless otherwise quoted or instructed, our units come supplied with the OEM Voltage output for PLUG and PLAY alternators. Voltage settings quoted are already built into the Voltage regulator inside the alternator. A reminder that PCM and ECU type vehicles means that your vehicles “brain/computer” controls the voltages.

 

Boosted Harness Option

A boosted Harness option is available at additional cost. If you pick this option your harness will come already dioded for you. You can pick from options of 15.3, 15.5 or 15.7 voltages.

 

What is a Bypass?

If you choose to have a bypass you are wiring to bypass the PCM or ECU control, and we customize a Voltage setting for your vehicle (this allows you to have a higher voltage than your PCM or ECU would allow. This in most cases will end up having your battery light on at all times.

 

Need help wiring your bypass, or have questions fins out more here:

 

Tutorial videos & Frequently Asked Questions

  • Available Amperages: 370amp, 350amp, 320amp

    • Ford Expedition          1997 - 2002          V8 4.6L 281CID
    • Ford Expedition          1997 - 2002          V8 5.4L 330CID
    • Ford F-150     1999 - 2003          V8 4.6L 281CID
    • Ford F-150     1997 - 2003          V8 5.4L 330CID
    • Ford F-150 Heritage   2004       V8 4.6L 281CID
    • Ford F-250     1997 - 19989V8 4.6L 281CID
    • Ford F-250     1997 - 2001          V8 5.4L 330CID
    • Ford F-250 Super Duty             1999 - 2001          V10-6.8L
    • Lincoln Navigator            1998 - 1999          V8 5.4L 330CID

     

    Warranty: 1 year parts & lifetime labor

    Build time 14 days.

    Powder Coating adds 5 business days

    Shipping takes 5-7 days

    If you use klarna pay add 7 days for processing.

    https://autotechengineeringusa.com/powder_coat_color_chart