DANA Standard Replacement Axle Shaft Bearing — direct fit for Mercury Mountaineer 5.0L V8 (1997-2001). Genuine quality replacement built to OEM tolerances, ships to all 50 USA states from RevXSC.
Engineered by DANA as a standard replacement grade axle shaft bearing for the 5.0L V8 engine, this 566121 matches factory mounting points and form factor so install requires no modification. Front Left; Axle Stamped 610774; w/ Dana 35 Front Axle Standard replacement spec — the same dimensions, materials and performance envelope as the original factory part.
| Year | Make / Model | Engine | Notes |
|---|---|---|---|
| 1997 | Mercury Mountaineer | 5.0L V8 | Front Left; Axle Stamped 610774; w/ Dana 35 Front Axle |
| 1998 | Mercury Mountaineer | 5.0L V8 | Front Left; Axle Stamped 610774; w/ Dana 35 Front Axle |
| 1999 | Mercury Mountaineer | 5.0L V8 | Front Left; Axle Stamped 610774; w/ Dana 35 Front Axle |
| 2000 | Mercury Mountaineer | 5.0L V8 | Front Left; Axle Stamped 610774; w/ Dana 35 Front Axle |
| 2001 | Mercury Mountaineer | 5.0L V8 | Front Left; Axle Stamped 610774; w/ Dana 35 Front Axle |
Always replace axle shaft bearing 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 566121 a direct replacement?
Yes — DANA 566121 is built to OEM form/fit/function for the Mercury Mountaineer 5.0L V8 (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 5.0L V8). 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.