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OE Quality
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NationalPart #: 28921
National 28921 Axle Differential Bearing Race - Rear
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$53.65Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
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*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Axle Differential Bearing Race options
National 28921 Axle Differential Bearing Race - Rear
| Brand | National |
|---|---|
| Part Number | 28921 |
| Cup Bore (Inch) | 3.9370 |
| Cup Bore (MM) | 100.0000 |
| Cup Length (Inch) | 0.7813 |
| Cup Length (MM) | 19.8450 |
| Cup Radius (Inch) | 0.1300 |
| Cup Radius (MM) | 3.3020 |
| Part Description | Taper bearing cup |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|
* 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:
1090032610X191091316-26-076258452C1258454C91282996528921550528591672C16049287451492745149390366-6000194222279601002BR28921C7TZ-7169AF28921JD10228KW1528MB005139
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.