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The High Output Alternators we supply for the Ford F-Series Gas or Diesel Engines will be direct fit installations for your vehicle. We will supply the correct unit based on the vehicle year and engine you select. Our high output alternators will provide heavy duty use for longer periods and will run cooler than the factory style alternators. You should also upgrade the output cable from the rear of the alternator to at least a 4 gauge cable for alternators up to 250 amp or 2 gauge cable for 300+ amp alternators.
Pick your amperage option and then choose your year and engine size