Pop your VIN into the search on this page and then find "Powertrain/Chassis" on the left side, click that and then scroll down to find the front diff parts diagram.
Toyota | Genuine Parts Catalogs | PartSouq Auto Parts Around the World
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2003 4Runner Limited 4wd V8 - Build thread on Tacoma World
FJ tcase swap, VVT intake swap, Solid Offroad motor mounts, Doug Thorley y-pipe, Bold Performance cat-back, ADS shocks F&R, Metal Tech LTHD springs rear, 1" body lift, 285/75/17 Toyo R/T Trails on Sequoia rims, Coastal front bumper, CAD rear bumper