Front Wheel Hub Bearing Assembly for 2006-2010 Ford Explorer/Mercury Mountaineer
Available in stock (20)
Front Wheel Hub Bearing Assembly — 515078 (5-Lug, ABS, Front) — 2006–2010 Ford Explorer / 2007–2010 Explorer Sport Trac / 2006–2010 Mercury Mountaineer
Full Vehicle Compatibility — Ford U502 Platform (Fourth-Generation Explorer)
| Make | Model | Years | Notes |
|---|---|---|---|
| Ford | Explorer | 2006–2010 | U502 platform, fourth generation — all trims (XLS, XLT, Eddie Bauer, Limited) |
| Ford | Explorer Sport Trac | 2007–2010 | U502-based pickup variant — same front hub specification |
| Mercury | Mountaineer | 2006–2010 | Mercury-badged Explorer on same U502 platform — confirmed 515078 fitment |
The Mercury Mountaineer is the Mercury-badged variant of the fourth-generation Ford Explorer, built on the same U502 platform with identical front hub geometry. The Explorer Sport Trac is the pickup truck body variant of the U502 Explorer — same front hub specification across all Sport Trac trims. Confirm your make, model, and build year before ordering. Contact us with your VIN for fitment verification if unsure.
Ford OEM Cross-Reference — 7L2Z-1104A / 7L24-1104AB
This hub assembly directly replaces Ford OEM part numbers 7L2Z-1104A (assembly part number) and 7L24-1104AB (casting part number) — the factory front hub specification for the 2006–2010 Explorer, Explorer Sport Trac, and Mercury Mountaineer on the U502 platform. Ford and Mercury owners can verify fitment by cross-referencing these OEM part numbers via their dealer parts system or Ford ETIS.
Part Specifications
| Specification | Details |
|---|---|
| Part Number | 515078 |
| SKU | SA-515078 (single unit) |
| Replaces OEM / Cross Reference | 7L2Z-1104A, 7L24-1104AB (Ford OEM), HA590156 |
| Position | Front (single unit — left or right) |
| Lug Count | 5 Lugs |
| ABS | Yes — ABS sensor ring integrated |
| Flange Diameter | 6.30 in (160.0 mm) |
| Flange Offset | 1.92 in (48.8 mm) |
| Bolt Circle Diameter | 4.5 in (114.3 mm) — Ford standard 5×114.3 |
| Weight | ~5.11 kg (single unit) |
Key Features
- U502 Platform Full Coverage: Fits all fourth-generation Ford Explorer (2006–2010), Explorer Sport Trac (2007–2010), and Mercury Mountaineer (2006–2010) variants — all trims, FWD and AWD/4WD configurations confirmed on the U502 platform front hub position.
- Ford OEM Direct Replacement: Replaces Ford OEM 7L2Z-1104A and casting reference 7L24-1104AB — verified factory part numbers for this platform's front hub position.
- Ford 5×114.3 Bolt Pattern: Fits the standard Ford 5×114.3 bolt pattern used across the U502 Explorer, Sport Trac, and Mountaineer lineup.
- OEM-Equivalent Quality: Meets or exceeds OEM performance standards. Tested for load rating, bearing clearance, and ABS sensor signal integrity before shipment.
- ABS-Compatible: Integrated ABS tone ring — maintains factory ABS and AdvanceTrac stability control on all compatible U502 platform vehicles.
- Complete Assembly: Hub, bearing, and ABS ring pre-assembled — no press-fit or bearing packing required.
Installation Notes
- Professional installation recommended. Requires standard hub/knuckle removal for Ford U502 platform front suspension.
- Torque all fasteners to OEM specification. Verify ABS sensor connector seating after installation.
- For both front corners, order quantity 2.
Note: Single unit, front position. 515078, 5-lug, ABS, 5×114.3. Replaces Ford OEM 7L2Z-1104A / 7L24-1104AB / HA590156. Fits 2006–2010 Ford Explorer, 2007–2010 Explorer Sport Trac, 2006–2010 Mercury Mountaineer — all U502 platform. Confirm model year before ordering.
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