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The short version
- 1997-2003 QX4 wheel bearing service starts with the front tapered set, SET37 inner and LM300849-LM300811 outer cone and cup.
- The front seal is 710072, and the whole assembly is repacked and adjusted, not bolted on as a cartridge.
- The rear inner bearing assembly is 516005 with seal 710176.
- The QX4 shares its full bearing chart with the Nissan Pathfinder of the same years.
Infiniti dressed the QX4 in leather and wood trim. Underneath, it is a Nissan Pathfinder wearing a nicer badge, and that shared chassis carries over to every bearing on the chart.
Front tapered set and rear assembly
The front inner set is SET37, paired with outer cone and cup LM300849-LM300811 and seal 710072.
The rear inner bearing assembly is 516005, sealed with 710176.
Infiniti QX4 wheel bearing part numbers
| Years | Detail | Number |
|---|---|---|
| 1997-2003 | Front inner bearing set | SET37 check price |
| 1997-2003 | Front outer cone and cup | LM300849-LM300811 check price |
| 1997-2003 | Front seal | 710072 check price |
| 1997-2003 | Rear inner bearing assembly | 516005 check price |
| 1997-2003 | Rear seal | 710176 check price |
Every model year this chart resolves: 1997, 1998, 1999, 2000, 2001, 2002 and 2003.
Price links lead to Amazon searches for that number. As an Amazon Associate this site earns from qualifying purchases.
Lookups run through the cross reference page.
This is not a bolt-on hub like many newer SUVs use.
The front is a serviceable tapered setup. A QX4 wheel bearing job means cleaning, repacking, and adjusting the set rather than swapping a cartridge.
Same chart as the Pathfinder
Infiniti built the QX4 on the same platform as the Nissan Pathfinder, and the bearing chart follows. Every number listed above matches the Pathfinder of the same years.
That shared sourcing keeps a QX4 wheel bearing easy to find. Infiniti sold far fewer QX4s than Nissan sold Pathfinders.
What actually kills these bearings
A QX4 wheel bearing rarely fails from mileage alone. Old, dried, or washed-out grease is what ends the tapered set early. It is rarely a pothole hit or a single hard mile.
Regular repacking and a correct adjustment matter more here than on a sealed bolt-on hub. Neglect the grease, and the tapered rollers wear unevenly no matter how gently the truck is driven.
Diagnosing a QX4 wheel bearing
- Listen for a steady drone. A worn QX4 wheel bearing hums at speed and often grows louder over a few weeks.
- Rock the wheel by hand. Play at nine and three o’clock points to a loose or worn tapered set. See how to check a wheel bearing for the method.
- Check for grease at the seal. Dark, dry, or leaking grease at 710072 or 710176 signals the set needs service soon.
- Feel for hub heat. A hot hub after a short drive suggests dry rollers or a preload set too tight.
- Inspect before you condemn the set. A repack and proper adjustment often solves what looks like bearing failure.
Common questions
What is the QX4 front wheel bearing part number?
SET37 for the inner set, LM300849-LM300811 for the outer cone and cup, and seal 710072.
What is the QX4 rear wheel bearing part number?
The rear inner bearing assembly is 516005, with seal 710176.
Is the QX4 wheel bearing a bolt-on hub?
No. The front is a serviceable tapered setup that gets repacked and adjusted, not swapped as a cartridge.
Does a QX4 wheel bearing fit the Nissan Pathfinder?
Yes. The QX4 shares its full bearing chart with the Pathfinder from the same 1997-2003 years.
What usually kills a QX4 wheel bearing?
Neglected grease, more often than mileage. Regular repacking and a correct adjustment do more for bearing life than easy driving.