512418 Rear Wheel Bearing & Hub Assembly for 2008-2015 Scion xB (5-Lug w/ABS)
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Rear Wheel Hub Bearing Assembly — 512418 (5-Lug, ABS, Rear Left or Right — Single Unit) — 2008–2015 Scion xB (Second Generation, AZE151)
- 1st Gen xB (NCP31, 2004–2006): 4-lug — completely different hub. NOT this listing.
- 2nd Gen xB (AZE151, 2008–2015): 5-lug, ABS. 512418 — this listing.
- Note: There was no Scion xB produced for the 2007 model year — the first generation ended after 2006 and the second generation began with the 2008 model year.
Vehicle Compatibility — Scion xB (Rear Hub)
| Make | Model | Generation / Platform | Years | Notes |
|---|---|---|---|---|
| Scion | xB | 2nd Gen (AZE151) | 2008–2015 | 5-lug 5×114.3. ABS. FWD. NOT 1st gen (2004–2006, 4-lug). No 2007 model year. |
Scion xB Generation Reference
| Generation | Platform | Years | Lug Count | Notes |
|---|---|---|---|---|
| 1st Gen | NCP31 | 2004–2006 | 4 Lugs | Different hub — NOT this listing. 4×100. |
| (No xB produced) | — | 2007 | — | Gap year between generations. |
| 2nd Gen (this listing) | AZE151 | 2008–2015 | 5 Lugs | 512418 — 5×114.3, ABS |
Toyota OEM Cross-Reference — 42450-12090
Hub 512418 replaces Toyota OEM part number 42450-12090 and aftermarket reference BR930737. The “42450” prefix is Toyota’s standard rear hub OEM identifier. Verify fitment via 42450-12090 in your Toyota or Scion dealer parts catalog.
Part Specifications
| Specification | Details |
|---|---|
| Part Number | 512418 |
| SKU | SA-512418 (single unit) |
| Replaces OEM / Cross Reference | 42450-12090 (Toyota OEM), BR930737 |
| Position | Rear — Left or Right (same part both sides) |
| ABS | Yes — ABS sensor ring integrated |
| Lug Count | 5 Lugs |
| Bolt Circle Diameter | 5×114.3 mm (4.5”) — Scion xB 2nd gen standard |
Key Features
- Scion xB 2nd Gen Rear Hub (Single): 512418 covers the rear hub (left or right) for the full second-generation Scion xB (AZE151, 2008–2015). Same part fits both sides.
- Toyota OEM 42450-12090: Direct replacement for Toyota/Scion OEM. Verify via 42450-12090 in your dealer parts catalog.
- 5-Lug 5×114.3: Second-generation xB bolt pattern — distinct from the 4-lug first-generation xB. Confirm your xB is 2008 or later before ordering.
- ABS-Compatible: Integrated ABS tone ring maintains factory ABS.
- OEM-Equivalent Quality: Tested to meet or exceed OEM performance standards. Sealed design with protective coating on wheel bolts to minimize rust and ease maintenance.
Installation Notes
- Professional installation recommended. Confirm your Scion xB is the second generation (2008–2015) before installation. The first-generation xB (2004–2006) uses a 4-lug hub and is not compatible.
- Torque all fasteners to OEM specification per your Scion/Toyota service manual.
- For both rear corners, order quantity 2 or see our 2-piece set listing.
Note: Single unit, rear left or right (same part). 512418, 5-lug 5×114.3, ABS. Toyota OEM 42450-12090. Fits Scion xB 2008–2015 (2nd gen AZE151 only). NOT for 1st gen xB (2004–2006, 4-lug). No 2007 xB was produced.
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