Luk GDK321Q Axle Differential Bearing and Seal Kit - Rear

Name: Luk GDK321Q Axle Differential Bearing and Seal Kit - Rear
Brand: Luk
SKU: BBZH-GDK321Q
Price: 271.42 USD
Availability: InStock

Rear

⚙️ 126 vehicles fit this part

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Cadillac, Chevrolet, GMC, and Saab, 9-7x, Avalanche, Canyon, Colorado, Envoy, Escalade, Escalade ESV, Escalade EXT, Express 1500, Savana 1500, Sierra 1500, Sierra 1500 Limited, Silverado 1500, Silverado 1500 LTD, Suburban 1500, Tahoe, Yukon, Yukon XL, and Yukon XL 1500

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Not what you need? Click here for all Axle Differential Bearing and Seal Kit options

OE-Quality Differential Bearing Kit

The LuK GDK321Q differential bearing kit provides the OE-quality bearings needed for a professional rear differential repair. It is built for service work on a wide range of GM full-size trucks and SUVs, including Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade applications.

This kit is a direct-fit service solution for rear standard differential repairs on select Chevrolet, GMC, Cadillac, and Saab vehicles. The GDK321Q is selected for the specific transmission and driveline application to support accurate bearing replacement during rebuild work.

Key Features

OE-quality differential bearing kit for professional repair work
Designed for rear standard differential applications
Application-specific components selected for the transmission or driveline setup
Cross-references Timken DRK321Q and interchange numbers 4620189100, SDK321Q
Part number: GDK321Q

Vehicle Fitment

Fits 2022 Chevrolet Silverado 1500 LTD, rear, Standard Differential Kit
Fits 2022 GMC Sierra 1500 Limited, rear, Standard Differential Kit
Fits 2009-2021 Chevrolet Silverado 1500, rear, Standard Differential Kit
Fits 2009-2021 GMC Sierra 1500, rear, Standard Differential Kit
Fits 2009-2020 Cadillac Escalade, rear, Standard Differential Kit
Fits 2009-2020 Cadillac Escalade ESV, rear, Standard Differential Kit
Fits 2009-2020 Chevrolet Tahoe, rear, Standard Differential Kit
Fits 2009-2020 GMC Yukon, rear, Standard Differential Kit
Fits 2015-2020 GMC Yukon XL, rear, Standard Differential Kit
Fits 2009-2014 Chevrolet Express 1500, rear, Standard Differential Kit
Fits 2009-2014 Chevrolet Suburban 1500, rear, Standard Differential Kit
Fits 2009-2014 GMC Savana 1500, rear, Standard Differential Kit
Fits 2009-2014 GMC Yukon XL 1500, rear, Standard Differential Kit
Fits 2009-2013 Cadillac Escalade EXT, rear, Standard Differential Kit
Fits 2009-2013 Chevrolet Avalanche, rear, Standard Differential Kit
Fits 2009-2012 Chevrolet Colorado, rear, Standard Differential Kit
Fits 2009-2012 GMC Canyon, rear, Standard Differential Kit
Fits 2009 GMC Envoy, rear, Standard Differential Kit
Fits 2009 Saab 9-7x, rear, Standard Differential Kit

Common Repair Uses

Rear differential bearing wear or noise
Gear whine during acceleration or deceleration
Excessive play in differential components
Service replacement during differential rebuilds
Restoring proper bearing support in the rear axle assembly

Installation Notes

Verify axle and differential configuration before ordering, since this kit is listed for standard rear differential applications only. Professional installation is recommended for differential service because bearing preload, gear setup, and inspection procedures are critical to repair quality.

Quality Assurance

LuK states that this kit uses OE-quality bearings selected for the specific transmission application, supporting a professional-level repair standard. The GDK321Q is built as a service kit for rear differential bearing replacement on confirmed fitments such as Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac Escalade models.

This part fits 126 vehicles. Search below:

Year	Make	Model	Position	Notes
2022	Chevrolet	Silverado 1500 LTD	Rear	Standard Differential Kit
2022	GMC	Sierra 1500 Limited	Rear	Standard Differential Kit
2021	Chevrolet	Silverado 1500	Rear	Standard Differential Kit
2021	GMC	Sierra 1500	Rear	Standard Differential Kit
2020	Cadillac	Escalade	Rear	Standard Differential Kit
2020	Cadillac	Escalade ESV	Rear	Standard Differential Kit
2020	Chevrolet	Silverado 1500	Rear	Standard Differential Kit
2020	Chevrolet	Tahoe	Rear	Standard Differential Kit
2020	GMC	Sierra 1500	Rear	Standard Differential Kit
2020	GMC	Yukon	Rear	Standard Differential Kit
2020	GMC	Yukon XL	Rear	Standard Differential Kit
2019	Cadillac	Escalade	Rear	Standard Differential Kit
2019	Cadillac	Escalade ESV	Rear	Standard Differential Kit
2019	Chevrolet	Silverado 1500	Rear	Standard Differential Kit
2019	Chevrolet	Tahoe	Rear	Standard Differential Kit
2019	GMC	Sierra 1500	Rear	Standard Differential Kit
2019	GMC	Yukon	Rear	Standard Differential Kit
2019	GMC	Yukon XL	Rear	Standard Differential Kit
2018	Cadillac	Escalade	Rear	Standard Differential Kit
2018	Cadillac	Escalade ESV	Rear	Standard Differential Kit
2018	Chevrolet	Silverado 1500	Rear	Standard Differential Kit
2018	Chevrolet	Tahoe	Rear	Standard Differential Kit
2018	GMC	Sierra 1500	Rear	Standard Differential Kit
2018	GMC	Yukon	Rear	Standard Differential Kit
2018	GMC	Yukon XL	Rear	Standard Differential Kit
2017	Cadillac	Escalade	Rear	Standard Differential Kit
2017	Cadillac	Escalade ESV	Rear	Standard Differential Kit
2017	Chevrolet	Silverado 1500	Rear	Standard Differential Kit
2017	Chevrolet	Tahoe	Rear	Standard Differential Kit
2017	GMC	Sierra 1500	Rear	Standard Differential Kit
2017	GMC	Yukon	Rear	Standard Differential Kit
2017	GMC	Yukon XL	Rear	Standard Differential Kit
2016	Cadillac	Escalade	Rear	Standard Differential Kit
2016	Cadillac	Escalade ESV	Rear	Standard Differential Kit
2016	Chevrolet	Silverado 1500	Rear	Standard Differential Kit
2016	Chevrolet	Tahoe	Rear	Standard Differential Kit
2016	GMC	Sierra 1500	Rear	Standard Differential Kit
2016	GMC	Yukon	Rear	Standard Differential Kit
2016	GMC	Yukon XL	Rear	Standard Differential Kit
2015	Cadillac	Escalade	Rear	Standard Differential Kit
2015	Cadillac	Escalade ESV	Rear	Standard Differential Kit
2015	Chevrolet	Silverado 1500	Rear	Standard Differential Kit
2015	Chevrolet	Tahoe	Rear	Standard Differential Kit
2015	GMC	Sierra 1500	Rear	Standard Differential Kit
2015	GMC	Yukon	Rear	Standard Differential Kit
2015	GMC	Yukon XL	Rear	Standard Differential Kit
2014	Cadillac	Escalade	Rear	Standard Differential Kit
2014	Cadillac	Escalade ESV	Rear	Standard Differential Kit
2014	Chevrolet	Express 1500	Rear	Standard Differential Kit
2014	Chevrolet	Silverado 1500	Rear	Standard Differential Kit
2014	Chevrolet	Suburban 1500	Rear	Standard Differential Kit
2014	Chevrolet	Tahoe	Rear	Standard Differential Kit
2014	GMC	Savana 1500	Rear	Standard Differential Kit
2014	GMC	Sierra 1500	Rear	Standard Differential Kit
2014	GMC	Yukon	Rear	Standard Differential Kit
2014	GMC	Yukon XL 1500	Rear	Standard Differential Kit
2013	Cadillac	Escalade	Rear	Standard Differential Kit
2013	Cadillac	Escalade ESV	Rear	Standard Differential Kit
2013	Cadillac	Escalade EXT	Rear	Standard Differential Kit
2013	Chevrolet	Avalanche	Rear	Standard Differential Kit
2013	Chevrolet	Express 1500	Rear	Standard Differential Kit
2013	Chevrolet	Silverado 1500	Rear	Standard Differential Kit
2013	Chevrolet	Suburban 1500	Rear	Standard Differential Kit
2013	Chevrolet	Tahoe	Rear	Standard Differential Kit
2013	GMC	Savana 1500	Rear	Standard Differential Kit
2013	GMC	Sierra 1500	Rear	Standard Differential Kit
2013	GMC	Yukon	Rear	Standard Differential Kit
2013	GMC	Yukon XL 1500	Rear	Standard Differential Kit
2012	Cadillac	Escalade	Rear	Standard Differential Kit
2012	Cadillac	Escalade ESV	Rear	Standard Differential Kit
2012	Cadillac	Escalade EXT	Rear	Standard Differential Kit
2012	Chevrolet	Avalanche	Rear	Standard Differential Kit
2012	Chevrolet	Colorado	Rear	Standard Differential Kit
2012	Chevrolet	Express 1500	Rear	Standard Differential Kit
2012	Chevrolet	Silverado 1500	Rear	Standard Differential Kit
2012	Chevrolet	Suburban 1500	Rear	Standard Differential Kit
2012	Chevrolet	Tahoe	Rear	Standard Differential Kit
2012	GMC	Canyon	Rear	Standard Differential Kit
2012	GMC	Savana 1500	Rear	Standard Differential Kit
2012	GMC	Sierra 1500	Rear	Standard Differential Kit
2012	GMC	Yukon	Rear	Standard Differential Kit
2012	GMC	Yukon XL 1500	Rear	Standard Differential Kit
2011	Cadillac	Escalade	Rear	Standard Differential Kit
2011	Cadillac	Escalade ESV	Rear	Standard Differential Kit
2011	Cadillac	Escalade EXT	Rear	Standard Differential Kit
2011	Chevrolet	Avalanche	Rear	Standard Differential Kit
2011	Chevrolet	Colorado	Rear	Standard Differential Kit
2011	Chevrolet	Express 1500	Rear	Standard Differential Kit
2011	Chevrolet	Silverado 1500	Rear	Standard Differential Kit
2011	Chevrolet	Suburban 1500	Rear	Standard Differential Kit
2011	Chevrolet	Tahoe	Rear	Standard Differential Kit
2011	GMC	Canyon	Rear	Standard Differential Kit
2011	GMC	Savana 1500	Rear	Standard Differential Kit
2011	GMC	Sierra 1500	Rear	Standard Differential Kit
2011	GMC	Yukon	Rear	Standard Differential Kit
2011	GMC	Yukon XL 1500	Rear	Standard Differential Kit
2010	Cadillac	Escalade	Rear	Standard Differential Kit
2010	Cadillac	Escalade ESV	Rear	Standard Differential Kit
2010	Cadillac	Escalade EXT	Rear	Standard Differential Kit
2010	Chevrolet	Avalanche	Rear	Standard Differential Kit
2010	Chevrolet	Colorado	Rear	Standard Differential Kit
2010	Chevrolet	Express 1500	Rear	Standard Differential Kit
2010	Chevrolet	Silverado 1500	Rear	Standard Differential Kit
2010	Chevrolet	Suburban 1500	Rear	Standard Differential Kit
2010	Chevrolet	Tahoe	Rear	Standard Differential Kit
2010	GMC	Canyon	Rear	Standard Differential Kit
2010	GMC	Savana 1500	Rear	Standard Differential Kit
2010	GMC	Sierra 1500	Rear	Standard Differential Kit
2010	GMC	Yukon	Rear	Standard Differential Kit
2010	GMC	Yukon XL 1500	Rear	Standard Differential Kit
2009	Cadillac	Escalade	Rear	Standard Differential Kit
2009	Cadillac	Escalade ESV	Rear	Standard Differential Kit
2009	Cadillac	Escalade EXT	Rear	Standard Differential Kit
2009	Chevrolet	Avalanche	Rear	Standard Differential Kit
2009	Chevrolet	Colorado	Rear	Standard Differential Kit
2009	Chevrolet	Express 1500	Rear	Standard Differential Kit
2009	Chevrolet	Silverado 1500	Rear	Standard Differential Kit
2009	Chevrolet	Suburban 1500	Rear	Standard Differential Kit
2009	Chevrolet	Tahoe	Rear	Standard Differential Kit
2009	GMC	Canyon	Rear	Standard Differential Kit
2009	GMC	Envoy	Rear	Standard Differential Kit
2009	GMC	Savana 1500	Rear	Standard Differential Kit
2009	GMC	Sierra 1500	Rear	Standard Differential Kit
2009	GMC	Yukon	Rear	Standard Differential Kit
2009	GMC	Yukon XL 1500	Rear	Standard Differential Kit
2009	Saab	9-7x	Rear	Standard Differential Kit

* 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:

4620189100DRK321QSDK321Q

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