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Timken RET166 Wheel Bearing Retaining Ring - Front or RearOE Quality 60-Day Returns
Part #: RET166

Timken RET166 Wheel Bearing Retaining Ring - Front or Rear

Front
⚙️ 91 vehicles fit this part
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mazda, Ford, Lincoln, Mercury, and Kia, 5, 3, Fusion, MKZ, Milan, 6, Zephyr, and Spectra
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Reliable Wheel Bearing Retaining Ring for Ford, Kia, Lincoln, Mazda, and Mercury

The Timken RET166 wheel bearing retaining ring is designed to provide secure and precise fitment for select Ford, Kia, Lincoln, Mazda, and Mercury vehicles. Engineered to maintain proper bearing positioning, this retaining ring supports driveline and axle system integrity.

  • Durable construction for consistent performance
  • Compatible with Ford Fusion, Lincoln MKZ, Mazda 3, 5, 6, Kia Spectra, Mercury Milan, and Zephyr models
  • Ensures proper wheel bearing retention and alignment
  • OEM-quality fit and finish for reliable installation
  • Part number RET166 for easy identification and replacement

Product Details and Compatibility

The Timken RET166 wheel bearing retaining ring is a critical hardware component within the driveline and axle assembly. It is specifically designed to fit a range of vehicles including Ford Fusion and Lincoln MKZ sedans, Mazda 3, 5, and 6 models, Kia Spectra, as well as Mercury Milan and Zephyr. This retaining ring secures the wheel bearing in place, preventing axial movement and ensuring smooth wheel rotation. Manufactured to meet strict quality standards, the RET166 maintains the integrity of the wheel bearing assembly under various driving conditions.

Applications and Problem Solving

  • Prevents wheel bearing displacement during vehicle operation
  • Reduces risk of premature bearing wear or failure
  • Maintains proper axle alignment and driveline stability
  • Addresses issues related to wheel noise or vibration caused by loose bearings
  • Supports safe and reliable wheel hub assembly function

Installation Notes and Tips

When installing the Timken RET166 retaining ring, ensure the wheel bearing and hub assembly are clean and free of debris. Use appropriate tools to carefully seat the retaining ring into its groove without deformation. Verify that the ring is fully engaged to prevent bearing movement. It is recommended to inspect the wheel bearing and related components for wear or damage during installation to maintain optimal driveline performance.

Quality Assurance and Warranty

Timken is recognized for producing precision-engineered driveline components. The RET166 wheel bearing retaining ring is manufactured to meet or exceed OEM specifications, ensuring reliable fit and function. While specific warranty details may vary, Timken products typically come with a limited warranty against defects in material and workmanship, providing confidence in product durability and performance.

This part fits 91 vehicles. Search below:

YearMakeModelBody TypeDrive TypePositionNotes
2015Mazda5FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2014Mazda5FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2013Mazda3FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2013Mazda5FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2012FordFusionFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2012FordFusionAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2012FordFusionFWDRearReplacement option for Wheel Bearing Retaining Ring.
2012FordFusionAWDRearReplacement option for Wheel Bearing Retaining Ring.
2012LincolnMKZFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2012LincolnMKZAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2012LincolnMKZAWDRearReplacement option for Wheel Bearing Retaining Ring.
2012Mazda3FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2012Mazda5FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2011FordFusionFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2011FordFusionAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2011FordFusionFWDRearReplacement option for Wheel Bearing Retaining Ring.
2011FordFusionAWDRearReplacement option for Wheel Bearing Retaining Ring.
2011LincolnMKZFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2011LincolnMKZAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2011LincolnMKZAWDRearReplacement option for Wheel Bearing Retaining Ring.
2011Mazda3FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2011MercuryMilanFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2011MercuryMilanAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2011MercuryMilanAWDRearReplacement option for Wheel Bearing Retaining Ring.
2010FordFusionFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2010FordFusionAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2010FordFusionFWDRearReplacement option for Wheel Bearing Retaining Ring.
2010FordFusionAWDRearReplacement option for Wheel Bearing Retaining Ring.
2010LincolnMKZFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2010LincolnMKZAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2010LincolnMKZAWDRearReplacement option for Wheel Bearing Retaining Ring.
2010Mazda3FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2010Mazda5FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2010MercuryMilanFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2010MercuryMilanAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2010MercuryMilanAWDRearReplacement option for Wheel Bearing Retaining Ring.
2009FordFusionFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2009FordFusionAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2009FordFusionFWDRearReplacement option for Wheel Bearing Retaining Ring.
2009FordFusionAWDRearReplacement option for Wheel Bearing Retaining Ring.
2009LincolnMKZFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2009LincolnMKZAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2009LincolnMKZAWDRearReplacement option for Wheel Bearing Retaining Ring.
2009Mazda3FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2009Mazda5FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2009MercuryMilanFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2009MercuryMilanAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2009MercuryMilanAWDRearReplacement option for Wheel Bearing Retaining Ring.
2008FordFusionFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2008FordFusionAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2008FordFusionFWDRearReplacement option for Wheel Bearing Retaining Ring.
2008FordFusionAWDRearReplacement option for Wheel Bearing Retaining Ring.
2008LincolnMKZFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2008LincolnMKZAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2008LincolnMKZAWDRearReplacement option for Wheel Bearing Retaining Ring.
2008Mazda3FWDFrontFrom 1/2005; Replacement Recommended
2008Mazda3FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2008Mazda5FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2008Mazda6FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2008MercuryMilanFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2008MercuryMilanAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2008MercuryMilanAWDRearReplacement option for Wheel Bearing Retaining Ring.
2007FordFusionFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2007FordFusionAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2007FordFusionFWDRearReplacement option for Wheel Bearing Retaining Ring.
2007FordFusionAWDRearReplacement option for Wheel Bearing Retaining Ring.
2007LincolnMKZFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2007LincolnMKZAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2007LincolnMKZAWDRearReplacement option for Wheel Bearing Retaining Ring.
2007Mazda3FWDFrontFrom 1/2005; Replacement Recommended
2007Mazda3FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2007Mazda5FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2007Mazda6FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2007MercuryMilanFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2007MercuryMilanAWDFrontReplacement option for Wheel Bearing Retaining Ring.
2007MercuryMilanAWDRearReplacement option for Wheel Bearing Retaining Ring.
2006FordFusionFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2006LincolnZephyrFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2006Mazda3FWDFrontFrom 1/2005; Replacement Recommended
2006Mazda3FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2006Mazda5FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2006Mazda6FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2006MercuryMilanFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2005Mazda3FWDFrontFrom 1/01/2005; Replacement Recommended
2005Mazda3FWDFrontFrom 1/2005; Replacement Recommended
2005Mazda6FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2004KiaSpectraSedanFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2004Mazda6FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2003KiaSpectraSedanFWDFrontReplacement option for Wheel Bearing Retaining Ring.
2003Mazda6FWDFrontReplacement option for Wheel Bearing Retaining Ring.
2002KiaSpectraSedanFWDFrontReplacement option for Wheel Bearing Retaining Ring.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.