Yes, they do fit. I put this one on mine just a short time ago from the same company. This is my 3rd Alternator, (emergency lighting, etc.. is taxing), plus the stock ones seem to be prone to failure with the bridge rectifiers. So, I went with the biggest I could. As said, just bolts up.
1999 & up Ford 7.3L & 6.0 PowerStroke Diesel, Ford Heavy Duty 200 Amp Alternator upgrade, Ford, Upgrade, 7.3 Liter, 6.0 liter
Mine: 2003.25 F-350 Lariat CC, SRW,8' bed, 6.0, Torqshift, Toreador Red, Tan Leather, Trailer Tow, Rhino-Liner, Dee-Zee Platinum Box, Adjustable Pedals, Heated Seats, 6 Disk Changer, DVD, 04 Keypad, AIC, 20% Tint, Escort 8500 X-50, Magellan Meridian Color Gps, BFG 285r17 KM2ís. DPPI Dual SS Turbo Back Exhaust,"X" Springs,Issopro EV Pyro,Trans,Boost,Oil Temp, Water Temp, Volt Meter, Air Press., Viair 550C AC, 26" & 29" Hadleys, 2006 Front End, Chrome Tow Hooks, Warn 16.5ti, Billet Cummins Killer Badges, Int. VT-365 Badges.
Diesel_Mom's: (Redhead): Goodbye 2001 EX, Thanks for 4 years. Brand Spanky New 2005 Eddie Bauer Excursion, DVD, Toreador Red</font> , 6.0L Powerstroke, all options including (3) children, (1) 95# Golden Retriever, Goodyear Wrangler 285 MTRs.