OE Quality
60-Day Returns

SKF SDK321-Q Axle Differential Bearing and Seal Kit - Rear
Overview of SKF SDK321-Q Axle Differential Bearing and Seal Kit
The SKF SDK321-Q axle differential bearing and seal kit is designed for reliable driveline maintenance on select GM and Saab vehicles. This kit includes components engineered to precise specifications, ensuring proper fit and function for models like the Chevrolet Silverado 1500 and GMC Yukon XL 1500.
- Inside diameter: 11.0000 inches
- Width: 2.500 inches
- Bearing type: Diff4tp
- Compatible with multiple GM and Saab models
- Includes both bearing and seal components for differential service
Detailed Product Description
The SKF SDK321-Q kit features a differential bearing with an inside diameter of 11 inches and a width of 2.5 inches, designed specifically for axle differential applications. The Diff4tp bearing type ensures durability and proper load handling within the differential assembly. This kit is suitable for use in driveline and axle service, providing the necessary components to maintain or restore differential performance. It is compatible with a range of vehicles including Cadillac Escalade, Chevrolet Avalanche, GMC Sierra 1500, Hummer H3, and Saab 9-7x, among others.
Applications and Problem Solving
- Replacement of worn or damaged axle differential bearings
- Sealing leaks in the differential housing to prevent lubricant loss
- Reducing differential noise caused by bearing wear
- Restoring smooth differential operation and driveline performance
- Preventing premature axle or differential component failure
Installation Notes and Tips
- Ensure compatibility with your vehicleβs make and model before installation
- Clean the differential housing thoroughly prior to bearing and seal installation
- Use proper tools to press the bearing into place without damage
- Apply recommended lubricant to seals and bearings during assembly
- Check for proper bearing preload and alignment to avoid premature wear
Quality Assurance and Warranty
SKF is a recognized manufacturer of automotive bearings and seals, known for meeting industry standards for durability and precision. The SDK321-Q kit is manufactured to strict quality controls to ensure reliable performance in axle differential applications. Warranty coverage details should be confirmed with the point of purchase or SKF directly, as they may vary by region.
| Brand | ATP Parts |
|---|---|
| Part Number | CG-12 |
| LineCode | ATP |
This part fits 91 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2015 | Chevrolet | Silverado 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2015 | GMC | Sierra 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2014 | Cadillac | Escalade | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2014 | Cadillac | Escalade ESV | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2014 | Chevrolet | Express 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2014 | Chevrolet | Silverado 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2014 | Chevrolet | Suburban 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2014 | GMC | Savana 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2014 | GMC | Sierra 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2014 | GMC | Yukon | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2014 | GMC | Yukon XL 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2013 | Cadillac | Escalade | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2013 | Cadillac | Escalade ESV | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2013 | Cadillac | Escalade EXT | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2013 | Chevrolet | Avalanche | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2013 | Chevrolet | Express 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2013 | Chevrolet | Silverado 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2013 | Chevrolet | Suburban 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2013 | GMC | Savana 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2013 | GMC | Sierra 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2013 | GMC | Yukon | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2013 | GMC | Yukon XL 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2012 | Cadillac | Escalade | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2012 | Cadillac | Escalade ESV | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2012 | Cadillac | Escalade EXT | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2012 | Chevrolet | Avalanche | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2012 | Chevrolet | Colorado | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2012 | Chevrolet | Express 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2012 | Chevrolet | Silverado 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2012 | Chevrolet | Suburban 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2012 | GMC | Canyon | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2012 | GMC | Savana 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2012 | GMC | Sierra 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2012 | GMC | Yukon | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2012 | GMC | Yukon XL 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2011 | Cadillac | Escalade | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2011 | Cadillac | Escalade ESV | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2011 | Cadillac | Escalade EXT | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2011 | Chevrolet | Avalanche | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2011 | Chevrolet | Colorado | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2011 | Chevrolet | Express 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2011 | Chevrolet | Silverado 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2011 | Chevrolet | Silverado 2500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2011 | Chevrolet | Suburban 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2011 | Chevrolet | Suburban 2500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2011 | Chevrolet | Tahoe | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2011 | GMC | Canyon | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2011 | GMC | Savana 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2011 | GMC | Sierra 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2011 | GMC | Yukon XL 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2010 | Cadillac | Escalade | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2010 | Cadillac | Escalade ESV | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2010 | Cadillac | Escalade EXT | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2010 | Chevrolet | Avalanche | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2010 | Chevrolet | Colorado | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2010 | Chevrolet | Express 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2010 | Chevrolet | Silverado 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2010 | Chevrolet | Suburban 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2010 | Chevrolet | Suburban 2500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2010 | Chevrolet | Tahoe | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2010 | GMC | Canyon | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2010 | GMC | Savana 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2010 | GMC | Sierra 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2010 | GMC | Yukon XL 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2010 | Hummer | H3 | Rear | Standard Kit; 8.50'' Ring Gear: | ||
| 2010 | Hummer | H3T | Rear | Standard Kit; 8.50'' Ring Gear: | ||
| 2010 | Hummer | H3T | Rear | Standard Kit; 8.50" Ring Gear: | ||
| 2009 | Cadillac | Escalade | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | Cadillac | Escalade ESV | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | Cadillac | Escalade EXT | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | Chevrolet | Avalanche | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | Chevrolet | Colorado | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | Chevrolet | Express 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | Chevrolet | Silverado 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | Chevrolet | Silverado 2500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | Chevrolet | Suburban 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | Chevrolet | Suburban 2500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | Chevrolet | Tahoe | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | Chevrolet | Trailblazer | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | GMC | Canyon | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | GMC | Envoy | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | GMC | Savana 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | GMC | Sierra 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | GMC | Yukon XL 1500 | Rear | Fits vehicles with 8.50" and 8.625" ring gears. | ||
| 2009 | Hummer | H3 | 5.3L | V8 | Rear | Standard Kit; 8.50'' Ring Gear: |
| 2009 | Hummer | H3 | Rear | Standard Kit; 8.50'' Ring Gear: | ||
| 2009 | Hummer | H3 | 5.3L | V8 | Rear | Standard Kit; 8.50" Ring Gear: |
| 2009 | Hummer | H3T | Rear | Standard Kit; 8.50'' Ring Gear: | ||
| 2009 | Hummer | H3T | Rear | Standard Kit; 8.50" Ring Gear: | ||
| 2009 | Saab | 9-7x | Rear | Standard Kit; 8.50'' Ring Gear: | ||
| 2009 | Saab | 9-7x | Rear | Standard Kit; 8.50" Ring Gear: |
* 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.