2003-2007 G35 Coupe RWD Complete Rear Differential Carrier: Transmission, Ratio, Open/VLSD, Flange and Sensor-Rotor Identification

No safe complete-carrier supersession chain is asserted. Checked seller catalogs flag multi-supersession or discontinued states for some 38301 assemblies without exposing one unambiguous replacement that preserves year, transmission, ratio, differential type and flange configuration. Treat 38301-0C322, 38301-2C322, 38301-0C422 and 38301-2C422 as distinct search/verification identities, then confirm the VIN catalog, installed tag/casting, tooth-count or verified ratio, open/VLSD type and flange/sensor-rotor configuration. Shared 350Z service identities listed in the canonical 350Z carrier guide are legitimate catalog overlap, not a supersession path and not broad donor interchange authority.

For 2005, the checked base/non-VLSD automatic branch is R200 open 3.357 (47:14, two pinions); the 6MT branch is R200V VLSD 3.538 (46:13, four pinions), and Infiniti also offered automatic Sport/Performance-package VLSD, so transmission alone does not select open versus VLSD. For 2007, the checked base/non-VLSD automatic branch and 6MT/Sport-package branches use 3.538 (46:13); open R200 versus R200V VLSD and two- versus four-pinion construction still require equipment/identity confirmation. Package language alone therefore cannot select a complete unit across years. The official Infiniti catalog associates 38301-0C322 with 2WD automatic/no-Sport/no-LSD, 38301-2C322 with early Sport/Coupe limited-slip automatic branches and 38301-2C422 with G35 Coupe manual/LSD plus later limited-slip applications; the checked catalog also exposes 38301-0C422, but its broad year/trim display is not used as a universal map. Confirm VIN/build, transmission, axle ratio and installed identity. Companion flange 38210-0C020 versus 38210-EC020 and side-flange identities must be matched to the installed assembly; do not copy the 350Z page's production split into G35 without G35-specific evidence. Rear ABS sensor rotor 47950-AR000 is a separate pressed-on side-flange component; the factory brake manual says not to reuse the rotor after removal. Rear wheel sensors, propeller shaft, axle shafts, mounts/stoppers, breather, fluid, fasteners and sensor rotors may be separate even if a recycler photographs some attached. Rear cover 38351-0C000 or a shared flange does not establish internal ratio or LSD type. Internal differential/coupling numbers are not complete-carrier numbers, and bare-carrier/housing references such as 38310-0C000/38310-0C010 are outside this complete-assembly guide. Before installation, verify rotation/backlash condition, leaks, cover and mount damage, flange play/spline/bolt pattern, sensor-rotor teeth/runout, breather, drain/fill threads, fluid specification and all included parts. The assembly is heavy; support it correctly, never lift the vehicle by the aluminum rear cover, follow current Infiniti procedures and verify driveline operation and ABS/VDC status afterward.

No universal aftermarket complete-carrier replacement is approved by this research. The defensible sourcing path is an exact, verified factory complete assembly or a professionally rebuilt unit whose core identity, transmission branch, tooth count/ratio, open/VLSD type, flange configuration and warranty are documented. Aftermarket gears, clutch/helical LSDs, viscous-unit changes, bushing kits and 350Z/G35 swap packages alter the decision and are outside scope. A used carrier must show the complete donor VIN/build/model/body/transmission, actual service tag/casting, ratio/open-VLSD evidence, flange and rotor photos, mileage, leak/noise/backlash condition, included parts and return warranty; seller cross-listing across 350Z, G35 Sedan, G35x or G37 is discovery language only.

US/LHD 2003-2007 RWD G35 Coupe only. Match VIN/build, transmission, 47:14 versus 46:13 ratio, open R200 versus R200V VLSD, installed complete-assembly identity, flanges and ABS rotor before buying. Shared 38301/38210/38220/47950/38351/38420/38760 service identities with the separate 350Z guide are legitimate Nissan/Infiniti catalog overlap, not proof that an assembled 350Z donor interchanges. Sedan, G35x, 350Z, V36/G37, bare housings and internal-only parts are excluded. Verify seller contents and support the heavy assembly correctly; never lift by the aluminum rear cover.

Supersede reviewed 14 unique research sources for this guide. 4 also appear above as a seller or official action and are not repeated here; 10 additional citations follow.

Research last verified 2026-07-28.

1. Usa infinitinews — release 3f904e58c4f04373b5590db37cf67976 2005 infiniti g coupe press kit 2Open source
2. Usa infinitinews — release b75d8def511a4bb8833b2bd12e79cdd7 2007 infiniti g coupe press kitOpen source
3. Nicoclub — service manualOpen source
4. Nicoclub — service manualOpen source
5. Nicoclub — service manualOpen source
6. Infiniti Parts — universals and rear axle propeller shaftOpen source
7. Infiniti Parts Deal — rear final driveOpen source
8. Infiniti Parts Deal — rear final driveOpen source
9. Infiniti Parts Deal — rear final driveOpen source
10. Infiniti Parts Deal — anti skid controlOpen source