INFINITI QX55, J55X (USA)

Differential fluid capacity & service interval

INFINITI QX55, J55X (USA) differential fluid capacity is 0,55 liter. Service intervals include checking every 7500 miles or 12 months and changing every 20000 miles or 24 months. The data covers 2 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
  • QX55 2.0 AWD (2022- )
  • Rear
  • Use: Normal
  • Capacity 0,55 liter
  • Check 7500 miles/ 12 months
  • Change 20000 miles/ 24 months
  • Code: R145
  • QX55 2.0 AWD (2021-2022)
  • Rear
  • Use: Normal
  • Capacity 0,55 liter
  • Check 7500 miles/ 12 months
  • Change 20000 miles/ 24 months
  • Code: R145

Additional Notes

  • The rear differential on the INFINITI QX55 2.0 AWD holds a capacity of 0.55 liter, a figure consistent with a compact rear differential unit rather than a larger axle assembly requiring a full overhaul fill volume.
  • Under normal use conditions, the rear differential fluid check interval is set at 7,500 miles or 12 months, whichever comes first.
  • The fluid change interval under normal use is 20,000 miles or 24 months, placing the change frequency at roughly every two years in standard driving conditions.
  • The 2021-2022 QX55 2.0 AWD and the configuration starting from 2022 share identical rear differential specifications, with the same 0.55 liter capacity, 7,500-mile check interval, and 20,000-mile change interval under normal use.

Other Systems