BCA Standard Replacement Differential Pinion Bearing / Race — direct fit for Mercury Mountaineer 4.0L V6 (1997-2001). Genuine quality replacement built to OEM tolerances, ships to all 50 USA states from RevXSC.
Engineered by BCA as a standard replacement grade differential pinion bearing / race for the 4.0L V6 engine, this NBM86610 matches factory mounting points and form factor so install requires no modification. Front Outer; w/ 7.59 IN Ring Gear; w/ Spicer 35 Axle; w/ Independent Front Suspension Standard replacement spec — the same dimensions, materials and performance envelope as the original factory part.
Search by any number below — they all match BCA NBM86610:
| Year | Make / Model | Engine | Notes |
|---|---|---|---|
| 1997 | Mercury Mountaineer | 4.0L V6 | Front Outer; w/ 7.59 IN Ring Gear; w/ Spicer 35 Axle; w/ Independent Front Suspension |
| 1998 | Mercury Mountaineer | 4.0L V6 | Front Outer; w/ 7.59 IN Ring Gear; w/ Spicer 35 Axle; w/ Independent Front Suspension |
| 1999 | Mercury Mountaineer | 4.0L V6 | Front Outer; w/ 7.59 IN Ring Gear; w/ Spicer 35 Axle; w/ Independent Front Suspension |
| 2000 | Mercury Mountaineer | 4.0L V6 | Front Outer; w/ 7.59 IN Ring Gear; w/ Spicer 35 Axle; w/ Independent Front Suspension |
| 2001 | Mercury Mountaineer | 4.0L V6 | Front Outer; w/ 7.59 IN Ring Gear; w/ Spicer 35 Axle; w/ Independent Front Suspension |
Always replace differential pinion bearing / race components in matched sets where applicable, torque fasteners to factory spec, and inspect adjacent drivetrain components for wear during installation. If you're not sure which variant matches your VIN, send us the last 8 digits of the VIN before checkout and we will confirm fitment.
Is NBM86610 a direct replacement?
Yes — BCA NBM86610 is built to OEM form/fit/function for the Mercury Mountaineer 4.0L V6 (1997-2001).
Do you ship to my state?
We ship to all 50 USA states. Tracking is provided.
What's the difference between Economy, Standard Replacement and Heavy Duty?
Economy is the value-priced option for everyday driving; Standard Replacement matches OEM spec; Heavy Duty uses upgraded materials for towing, fleet and severe service.
How can I confirm fitment?
Match year, make, model and engine (1997-2001 Mercury Mountaineer 4.0L V6). When in doubt, send your VIN — we verify before dispatch.
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Note: The product image is for illustrative purposes only. Actual product may vary slightly in appearance, packaging, or labeling. Fitment and specifications are guaranteed to OEM standards.