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SKF CIR166 Wheel Bearing Retaining Ring - Front or Rear
| Brand | SKF CIR166 |
|---|---|
| Position | Front |
| Fits | Mazda, Ford, Lincoln, Mercury, and Kia · 70 vehicles |
OEM-spec construction. Made to meet or exceed OEM requirements for a secure, reliable fit.
Wheel bearing retainer. Helps keep the bearing securely in place during service and use.
SKF engineering. Backed by more than 100 years of drivetrain and bearing expertise.
Cross-references GE4T33048 and W302280S300 for the same application. See all 2.
Wheel Bearing Retaining Ring for OE-Style Service
SKF CIR166 is a wheel bearing retaining ring used with generation one wheel bearings to secure the bearing inside the steering knuckle. With an inside diameter of 2.928 inches, an outside diameter of 3.368 inches, and a width of 0.216 inches, it is built for precise OE-style fitment on supported Mazda, Ford, Lincoln, Mercury, and Kia applications.
When replacing a bearing hub unit, a worn retaining ring can compromise the fit of the wheel bearing. SKF CIR166 is made to meet or exceed OEM specifications for dependable retention on front and rear applications where listed.
Key Features
- Wheel bearing retaining ring for generation one wheel bearings
- Inside diameter: 2.928 in.
- Outside diameter: 3.368 in.
- Width: 0.216 in.
- Built to meet or exceed OEM specifications
- SKF CIR166 cross-references GE4T33048 and W302280S300
Detailed Description
SKF CIR166 is a C-clip style wheel bearing retaining ring engineered to hold the bearing securely inside the steering knuckle on listed vehicles. This part number is commonly used in front and rear wheel bearing service on applications such as Mazda 3, Mazda 5, Mazda 6, Ford Fusion, Lincoln MKZ, Mercury Milan, Lincoln Zephyr, and Kia Spectra. For searches focused on OE replacement wheel bearing retaining ring service, SKF CIR166 provides the dimensional accuracy needed for proper bearing retention.
SKF has supplied drivetrain and bearing-related components for more than 100 years, and this retaining ring reflects that focus on fit and specification control. If you are servicing a Mazda 3 front wheel bearing, a Ford Fusion rear bearing, or a Lincoln MKZ front bearing, SKF CIR166 is the type of retaining ring used to secure the bearing in place after hub or bearing replacement.
What It Helps Address
- Rusted retaining rings that are difficult to reuse
- Damaged clips removed during wheel bearing service
- Loose bearing retention inside the steering knuckle
- Improper seating after hub or bearing replacement
- Noise or fit concerns related to worn bearing retainers
Installation Notes and Tips
Inspect the steering knuckle groove before installation and clean away corrosion or debris so the ring seats fully. Replace a used clip during bearing or hub service rather than reinstalling a ring that shows rust, distortion, or removal damage. Confirm the dimensions and vehicle application before installation on Mazda 5 front, Ford Fusion front or rear, and Lincoln MKZ front or rear service.
Quality Assurance
SKF manufactures this retaining ring to meet or exceed OEM specifications and test requirements for long service life. Part number CIR166 is supported by SKF’s established engineering and manufacturing standards for wheel bearing retention applications.
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2017 | Mazda | 5 | — | — | — | — | Front | — |
| 2016 | Mazda | 5 | — | — | — | — | Front | — |
| 2015 | Mazda | 5 | — | — | — | — | Front | — |
| 2014 | Mazda | 5 | — | — | — | — | Front | — |
| 2013 | Mazda | 3 | — | — | — | — | Front | — |
| 2013 | Mazda | 5 | — | — | — | — | Front | — |
| 2012 | Ford | Fusion | — | AWD | — | — | Rear | — |
| 2012 | Ford | Fusion | — | — | — | — | Front | — |
| 2012 | Lincoln | MKZ | — | — | — | — | Front | — |
| 2012 | Lincoln | MKZ | — | AWD | — | — | Rear | — |
| 2012 | Mazda | 3 | — | — | — | — | Front | — |
| 2012 | Mazda | 5 | — | — | — | — | Front | — |
| 2011 | Ford | Fusion | — | AWD | — | — | Rear | — |
| 2011 | Ford | Fusion | — | — | — | — | Front | — |
| 2011 | Lincoln | MKZ | — | — | — | — | Front | — |
| 2011 | Lincoln | MKZ | — | AWD | — | — | Rear | — |
| 2011 | Mazda | 3 | — | — | — | — | Front | — |
| 2011 | Mercury | Milan | — | — | — | — | Front | — |
| 2011 | Mercury | Milan | — | AWD | — | — | Rear | — |
| 2010 | Ford | Fusion | — | — | — | — | Front | — |
| 2010 | Ford | Fusion | — | AWD | — | — | Rear | — |
| 2010 | Lincoln | MKZ | — | — | — | — | Front | — |
| 2010 | Lincoln | MKZ | — | AWD | — | — | Rear | — |
| 2010 | Mazda | 3 | — | — | — | — | Front | — |
| 2010 | Mazda | 5 | — | — | — | — | Front | — |
| 2010 | Mercury | Milan | — | — | — | — | Front | — |
| 2010 | Mercury | Milan | — | AWD | — | — | Rear | — |
| 2009 | Ford | Fusion | — | — | — | — | Front | — |
| 2009 | Ford | Fusion | — | AWD | — | — | Rear | — |
| 2009 | Lincoln | MKZ | — | — | — | — | Front | — |
| 2009 | Lincoln | MKZ | — | AWD | — | — | Rear | — |
| 2009 | Mazda | 3 | — | — | — | — | Front | — |
| 2009 | Mazda | 5 | — | — | — | — | Front | — |
| 2009 | Mercury | Milan | — | — | — | — | Front | — |
| 2009 | Mercury | Milan | — | AWD | — | — | Rear | — |
| 2008 | Ford | Fusion | — | — | — | — | Front | — |
| 2008 | Ford | Fusion | — | AWD | — | — | Rear | — |
| 2008 | Lincoln | MKZ | — | — | — | — | Front | — |
| 2008 | Lincoln | MKZ | — | AWD | — | — | Rear | — |
| 2008 | Mazda | 3 | — | — | — | — | Front | — |
| 2008 | Mazda | 5 | — | — | — | — | Front | — |
| 2008 | Mazda | 6 | i | — | — | — | Front | — |
| 2008 | Mazda | 6 | S | — | — | — | Front | — |
| 2008 | Mercury | Milan | — | AWD | — | — | Rear | — |
| 2008 | Mercury | Milan | — | — | — | — | Front | — |
| 2007 | Ford | Fusion | — | — | — | — | Front | — |
| 2007 | Ford | Fusion | — | AWD | — | — | Rear | — |
| 2007 | Lincoln | MKZ | — | — | — | — | Front | — |
| 2007 | Lincoln | MKZ | — | AWD | — | — | Rear | — |
| 2007 | Mazda | 3 | — | — | — | — | Front | — |
| 2007 | Mazda | 5 | — | — | — | — | Front | — |
| 2007 | Mazda | 6 | i | — | — | — | Front | — |
| 2007 | Mazda | 6 | S | — | — | — | Front | — |
| 2007 | Mercury | Milan | — | AWD | — | — | Rear | — |
| 2007 | Mercury | Milan | — | — | — | — | Front | — |
| 2006 | Ford | Fusion | — | — | — | — | Front | — |
| 2006 | Lincoln | Zephyr | — | — | — | — | Front | — |
| 2006 | Mazda | 3 | — | — | — | — | Front | — |
| 2006 | Mazda | 5 | — | — | — | — | Front | — |
| 2006 | Mazda | 6 | i | — | — | — | Front | — |
| 2006 | Mazda | 6 | S | — | — | — | Front | — |
| 2006 | Mercury | Milan | — | — | — | — | Front | — |
| 2005 | Mazda | 3 | — | — | — | — | Front | From 1/05 |
| 2005 | Mazda | 6 | i | — | — | — | Front | — |
| 2005 | Mazda | 6 | S | — | — | — | Front | — |
| 2004 | Kia | Spectra | — | — | 1.8L | L4 | Front | — |
| 2004 | Mazda | 6 | i | — | — | — | Front | — |
| 2004 | Mazda | 6 | S | — | — | — | Front | — |
| 2003 | Mazda | 6 | i | — | — | — | Front | — |
| 2003 | Mazda | 6 | S | — | — | — | Front | — |
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