Ford 4G 200A/240A (99-04 Lightning) Alternator



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  • 100% new components and OEM fit case.
  • Custom rotor/stator to decrease air gap to improve idle output.
  • Balanced rotor and 0 run-out slip rings to improve unit life and eliminate battery light flicker.
  • Heavy duty rectifier bridge with 70amp avalanche diodes.
  • USA made regulator with thermal protection built in.
  • NTN premium and NSK USA bearings.

All J2Fab custom units feature a 1yr parts warranty and lifetime service.

Does not include a pulley, OEM pulley is direct bolt on.

Additional information

Additional information

Weight 17 lbs
Dimensions 12 × 12 × 12 in
Black Powdercoat

Yes, No

Big3 wire upgrade (required for 200a upgrade)

Yes, No


200A, 240A

Refund Policy
Due to the custom and many times built to order nature of J2Fabrication products we have an all sales final policy. Standard lead times unless otherwise specified on the product page or in discussion is 4wks. Any refund request granted is on a case by case basis at the discretion of J2Fab and may be subject to a 25% restocking fee. Orders cancelled before shipment are subject to a 15% cancellation fee. If you are looking to return a product for warranty work or maintenance, please email [email protected] with “RMA Request” in the subject line.