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The short version
- The Discovery wheel bearing set on the first truck is one number, A-37, at every position: front, rear, inner and outer.
- Discovery I runs 1994-1999, grouped with the Defender 90 in the catalogs, with four identical sets per truck on its solid axles.
- Series II, 1999-2004, keeps the same serviceable design; match the old sets when ordering for it.
- The LR3 successor, 2005-2009, switches to bolt-on hub 515067, shared with the Range Rover Sport.
A quartermaster planning spares for an expedition truck would love the Discovery I parts bin. One number covers every wheel bearing position on the truck, front and rear alike.
Four wheels, one number
Solid axles front and rear meant Land Rover could fit the same serviceable tapered set, A-37, at all four corners, inner and outer.
A Discovery I wheel bearing repack means four identical sets, not four different part numbers to track down.
Discovery wheel bearing part numbers
| Years | Detail | Number |
|---|---|---|
| 2005-2009, LR3 | Front and rear hub, bolt-on, shared with Range Rover Sport | 515067 check price |
| 1999-2004, Series II | Front and rear, serviceable tapered, same design as Discovery I | match old part |
| 1994-1999, Discovery I, grouped with Defender 90 | Front and rear, all four positions, serviceable tapered set | A-37 check price |
Every model year this chart resolves: 1994, 1995, 1996, 1997, 1998, 1999, 2005, 2006, 2007, 2008 and 2009. On this chart a 2000 through 2004 Land Rover Discovery is not documented, so those cars go by the old part or the VIN.
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.
A-37 at every corner is the rare case where a Discovery wheel bearing order does not care about front versus rear. Series II keeps that same serviceable layout.
That uniformity ends at the LR3. Its bolt-on 515067 hub is a different design entirely and does not interchange with the solid-axle trucks before it.
A cousin in the Range Rover
The LR3’s bolt-on hub is not alone in the family. The 2003-2009 Range Rover uses pressed bearing 510082, the same famous number shared with the Audi Q7 and the Porsche Cayenne.
The full Land Rover lineup is on the make page for checking related models.
Mud and water, not miles
A Discovery I or Series II working an expedition route wears its axle bearings on water crossings and mud, not on the odometer alone. Grease neglect after a river crossing does more damage than another thousand highway miles.
That is why repacking and preload adjustment matter more on this truck than on a pavement-only crossover.
Diagnosing a Discovery wheel bearing
- Check the generation first. Solid-axle trucks and the bolt-on LR3 need entirely different parts.
- Listen for a speed-linked drone. The pitch rises and falls with road speed, not engine RPM.
- Rock each wheel at twelve and six. Play at any of the four corners points at that A-37 set on Discovery I and Series II.
- Ask about recent water crossings. Contaminated grease fails faster than grease worn by mileage alone.
- Confirm with the checking page before ordering parts.
Common questions
Does the same wheel bearing fit front and rear on a Discovery I?
Yes. A-37 covers all four positions, inner and outer, since both axles are solid.
Is there a separate Series II part number?
Not in the catalogs we hold. Series II keeps the Discovery I design, so match the old sets.
Does the LR3 use the same bearing as the Discovery I?
No. The LR3 switched to bolt-on hub 515067, a completely different design.
What does 515067 have in common with the Range Rover Sport?
They share the same bolt-on hub, both riding on the newer platform.
What kills Discovery wheel bearings fastest?
Grease neglect, water crossings and mud, more often than plain mileage.