Luk GDK321 Axle Differential Bearing and Seal Kit - Front

Name: Luk GDK321 Axle Differential Bearing and Seal Kit - Front
Brand: Luk
SKU: BBZH-GDK321
Price: 163.18 USD
Availability: InStock

Front

⚙️ 111 vehicles fit this part

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

🚗Fitment: Chevrolet and GMC, C1500, C2500, K10, K10 Suburban, K1500, K1500 Suburban, K20, K20 Suburban, K2500, K2500 Suburban, R1500, V10, V10 Suburban, V1500, V1500 Suburban, V20, V20 Suburban, V2500, and V2500 Suburban

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LuK GDK321 Differential Bearing Kit

The LuK GDK321 is an axle differential bearing and seal kit for front differential service on select Chevrolet and GMC trucks and SUVs. It provides OE-quality bearing components for a professional transmission or differential repair, with fitment covering multiple 1977-1991 applications.

Key Features

OE-quality differential bearing kit for front axle service
Built for professional repair of worn or damaged differential bearings
Application-specific component selection for the listed vehicles
Fits front-position standard differential kit applications
Cross-references SKF SDK321 and Timken DRK321 for the same application

Detailed Description

LuK GDK321 is a differential bearing kit engineered for front differential repair on a wide range of Chevrolet K10, K20, K2500, V10, V20, V1500 Suburban, V2500 Suburban, and GMC C1500, K1500, K2500, K2500 Suburban, V1500, V1500 Suburban, and V2500 applications. This kit is selected for the specific transmission and differential needs of each listed vehicle, helping restore proper bearing support in the front axle assembly. If you are servicing a Chevrolet K2500 front differential or a GMC K1500 Suburban front axle, the GDK321 provides a direct repair solution.

What It Helps Repair

Front differential bearing noise
Excessive bearing wear or rough operation
Differential play caused by damaged bearings
Service needs on worn front axle assemblies
Repair work on standard differential kit applications

Installation Notes and Tips

Fits front-position applications only.
Verify axle and differential configuration before ordering, especially on 12" clutch notes listed for select Chevrolet and GMC models.
Use proper setup procedures for bearing preload and gear pattern during installation.
Inspect related seals, races, and differential components during service.
Confirm vehicle year, make, model, and front differential type against the fitment list before installation.

Quality Assurance

LuK states that this kit uses OE-quality components selected for the specific transmission or differential application. Part number GDK321 is built for professional repair standards and is listed with direct cross-references to SKF SDK321 and Timken DRK321.

This part fits 111 vehicles. Search below:

Year	Make	Model	Position	Notes
1991	Chevrolet	K2500	Front	Standard Differential Kit
1991	Chevrolet	V1500 Suburban	Front	Standard Differential Kit
1991	Chevrolet	V2500 Suburban	Front	Standard Differential Kit
1991	GMC	K2500	Front	Standard Differential Kit
1991	GMC	V1500 Suburban	Front	Standard Differential Kit
1991	GMC	V2500 Suburban	Front	Standard Differential Kit
1990	Chevrolet	K2500	Front	Standard Differential Kit
1990	Chevrolet	V1500 Suburban	Front	Standard Differential Kit
1990	Chevrolet	V2500 Suburban	Front	Standard Differential Kit
1990	GMC	K2500	Front	Standard Differential Kit
1990	GMC	V1500 Suburban	Front	Standard Differential Kit
1990	GMC	V2500 Suburban	Front	Standard Differential Kit
1989	Chevrolet	K2500	Front	Standard Differential Kit
1989	Chevrolet	V1500 Suburban	Front	Standard Differential Kit
1989	Chevrolet	V2500 Suburban	Front	Standard Differential Kit
1989	GMC	K2500	Front	Standard Differential Kit
1989	GMC	V1500 Suburban	Front	Standard Differential Kit
1989	GMC	V2500 Suburban	Front	Standard Differential Kit
1988	Chevrolet	K2500	Front	Standard Differential Kit
1988	Chevrolet	V10 Suburban	Front	Standard Differential Kit
1988	Chevrolet	V20 Suburban	Front	Standard Differential Kit
1988	GMC	K2500	Front	Standard Differential Kit
1988	GMC	V1500 Suburban	Front	Standard Differential Kit
1988	GMC	V2500 Suburban	Front	Standard Differential Kit
1987	Chevrolet	V10	Front	Standard Differential Kit
1987	Chevrolet	V10 Suburban	Front	Standard Differential Kit
1987	Chevrolet	V20	Front	Standard Differential Kit
1987	Chevrolet	V20 Suburban	Front	Standard Differential Kit
1987	GMC	R1500	Front	Standard Differential Kit
1987	GMC	V1500	Front	Standard Differential Kit
1987	GMC	V1500 Suburban	Front	Standard Differential Kit
1987	GMC	V2500	Front	Standard Differential Kit
1987	GMC	V2500 Suburban	Front	Standard Differential Kit
1986	Chevrolet	K10	Front	Standard Differential Kit
1986	Chevrolet	K10 Suburban	Front	Standard Differential Kit
1986	Chevrolet	K20	Front	Standard Differential Kit
1986	Chevrolet	K20 Suburban	Front	Standard Differential Kit
1986	GMC	C1500	Front	Standard Differential Kit
1986	GMC	K1500	Front	Standard Differential Kit
1986	GMC	K1500 Suburban	Front	Standard Differential Kit
1986	GMC	K2500 Suburban	Front	Standard Differential Kit
1985	Chevrolet	K10	Front	Standard Differential Kit
1985	Chevrolet	K10 Suburban	Front	Standard Differential Kit
1985	Chevrolet	K20	Front	Standard Differential Kit
1985	Chevrolet	K20 Suburban	Front	Standard Differential Kit
1985	GMC	C1500	Front	Standard Differential Kit
1985	GMC	C2500	Front	Standard Differential Kit
1985	GMC	K1500	Front	Standard Differential Kit
1985	GMC	K1500 Suburban	Front	Standard Differential Kit
1985	GMC	K2500 Suburban	Front	Standard Differential Kit
1984	Chevrolet	K10	Front	Standard Differential Kit
1984	Chevrolet	K10 Suburban	Front	Standard Differential Kit
1984	Chevrolet	K20	Front	Standard Differential Kit
1984	Chevrolet	K20 Suburban	Front	Standard Differential Kit
1984	GMC	C1500	Front	Standard Differential Kit
1984	GMC	K1500	Front	Standard Differential Kit
1984	GMC	K1500 Suburban	Front	Standard Differential Kit
1984	GMC	K2500	Front	Standard Differential Kit
1984	GMC	K2500 Suburban	Front	Standard Differential Kit
1983	Chevrolet	K10	Front	Standard Differential Kit
1983	Chevrolet	K10 Suburban	Front	Standard Differential Kit
1983	Chevrolet	K20	Front	Standard Differential Kit
1983	Chevrolet	K20 Suburban	Front	Standard Differential Kit
1983	GMC	C1500	Front	Standard Differential Kit
1983	GMC	K1500	Front	Standard Differential Kit
1983	GMC	K1500 Suburban	Front	Standard Differential Kit
1983	GMC	K2500	Front	Standard Differential Kit
1983	GMC	K2500 Suburban	Front	Standard Differential Kit
1982	Chevrolet	K10	Front	Standard Differential Kit
1982	Chevrolet	K10 Suburban	Front	Standard Differential Kit
1982	Chevrolet	K20 Suburban	Front	Standard Differential Kit
1982	GMC	C1500	Front	Standard Differential Kit
1982	GMC	K1500	Front	Standard Differential Kit
1982	GMC	K1500 Suburban	Front	Standard Differential Kit
1982	GMC	K2500	Front	Standard Differential Kit
1982	GMC	K2500 Suburban	Front	Standard Differential Kit
1981	Chevrolet	K10	Front	Standard Differential Kit
1981	Chevrolet	K10 Suburban	Front	Standard Differential Kit
1981	Chevrolet	K20	Front	Standard Differential Kit
1981	Chevrolet	K20 Suburban	Front	12" clutch
1981	GMC	C1500	Front	Standard Differential Kit
1981	GMC	K1500	Front	Standard Differential Kit
1981	GMC	K1500 Suburban	Front	12" clutch
1981	GMC	K2500	Front	Standard Differential Kit
1981	GMC	K2500 Suburban	Front	Standard Differential Kit
1980	Chevrolet	K10	Front	Standard Differential Kit
1980	Chevrolet	K10 Suburban	Front	12" clutch
1980	Chevrolet	K20	Front	Standard Differential Kit
1980	Chevrolet	K20 Suburban	Front	Standard Differential Kit
1980	GMC	C1500	Front	Standard Differential Kit
1980	GMC	K1500	Front	Standard Differential Kit
1980	GMC	K1500 Suburban	Front	12" clutch
1980	GMC	K2500	Front	Standard Differential Kit
1980	GMC	K2500 Suburban	Front	Standard Differential Kit
1979	Chevrolet	K10	Front	Standard Differential Kit
1979	Chevrolet	K10 Suburban	Front	Standard Differential Kit
1979	Chevrolet	K20	Front	Standard Differential Kit
1979	Chevrolet	K20 Suburban	Front	Standard Differential Kit
1979	GMC	C1500	Front	Standard Differential Kit
1979	GMC	K1500	Front	Standard Differential Kit
1979	GMC	K1500 Suburban	Front	Standard Differential Kit
1979	GMC	K2500	Front	Standard Differential Kit
1979	GMC	K2500 Suburban	Front	Standard Differential Kit
1978	Chevrolet	K10	Front	Standard Differential Kit
1978	Chevrolet	K10 Suburban	Front	Standard Differential Kit
1978	Chevrolet	K20	Front	Standard Differential Kit
1978	Chevrolet	K20 Suburban	Front	Standard Differential Kit
1977	Chevrolet	K10	Front	Standard Differential Kit
1977	Chevrolet	K10 Suburban	Front	Standard Differential Kit
1977	Chevrolet	K20	Front	Standard Differential Kit
1977	Chevrolet	K20 Suburban	Front	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:

4620028100DRK321RA321SDK321

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