Luk GDK327 Axle Differential Bearing and Seal Kit - Rear

OE-Quality Differential Bearing Kit

The LuK GDK327 differential bearing kit provides the OE-quality bearings needed for a professional rear axle or transmission repair. It is built for service work on heavy-duty trucks and vans that use the 11.5-inch rear differential, including Chevrolet Silverado 2500 HD, Silverado 3500 HD, GMC Sierra 2500 HD, Sierra 3500 HD, Express 2500, Express 3500, Dodge Ram 1500, Ram 2500, Ram 3500, GMC Savana 2500, and Savana 3500 applications.

Use LuK GDK327 when servicing a worn or noisy differential on the rear axle. This kit is a direct-fit repair solution for vehicles with the 11.5" 1st Design and 4.125" pinion bearing configuration where noted.

Key Features

• OE-quality differential bearings for professional drivetrain repair
• Kit format for rear differential service
• Application-specific components selected for the listed vehicle platforms
• Fits 11.5-inch rear axle configurations across multiple GM and Dodge truck and van applications
• Cross-references SKF SDK327 and Timken DRK327 for the same application

Detailed Description

LuK GDK327 is an axle differential bearing and seal kit engineered for rear differential service on select Chevrolet, GMC, and Dodge vehicles. The kit is intended for 2001-2011 Chevrolet Silverado 2500 HD rear, 2007-2011 Chevrolet Silverado 3500 HD rear, 2001-2011 GMC Sierra 2500 HD rear, 2007-2011 GMC Sierra 3500 HD rear, and other listed 11.5-inch rear axle applications. It also covers 2001-2010 Chevrolet Express 2500 rear, 2001-2010 Chevrolet Express 3500 rear, 2006-2010 Dodge Ram 1500 rear, 2003-2010 Dodge Ram 2500 rear, 2003-2010 Dodge Ram 3500 rear, 2001-2010 GMC Savana 2500 rear, and 2001-2010 GMC Savana 3500 rear.

For buyers searching for a LuK GDK327 differential bearing kit, this part supports rear axle rebuilds where bearing wear, noise, or differential looseness has developed. It is also a fitment match for Chevrolet Silverado 2500 HD rear differential service and GMC Sierra 3500 rear differential repair in the specified 11.5" 1st Design applications.

What It Can Help Fix

• Rear differential bearing noise
• Excessive play or looseness in the differential assembly
• Wear found during axle teardown or gear setup
• Service needs on 11.5-inch rear axle rebuilds
• Repair work on listed Silverado, Sierra, Express, Savana, and Ram rear differential applications

Installation Notes and Tips

Confirm axle size, design revision, and pinion bearing specification before ordering. This kit is listed for rear position applications only, and some Silverado and Sierra models require the 11.5" 1st Design with 4.125" pinion bearing note. Differential service should be performed with proper setup tools and measurement procedures to maintain bearing preload and gear alignment.

Quality Assurance

LuK states that each differential bearing kit contains OE-quality bearings selected for the specific transmission or differential application. GDK327 is built for professional repair use with components matched to the listed vehicle platforms.