Stellar Industries 77891 Bearing and Seal Kit for 14" Enclosed Cast-Base Knuckle

If you’re unsure whether this part is compatible with your truck or equipment, please contact us to confirm fitment before purchasing.

The Stellar Industries 77891 Bearing and Seal Kit is an OEM service kit designed specifically for compatible 14-inch enclosed knuckle-mount assemblies with a cast base. It replaces worn bearing and sealing components within the rotating mount.

Servicing the assembly with the correct kit helps restore smooth rotation, reduce excessive movement, retain lubrication, and protect internal components from dirt and moisture.

What This Part Is Used For

The Stellar 77891 kit services the internal bearing and sealing components of a compatible 14-inch enclosed cast-base knuckle mount. The bearings support rotation under load, while the seals help retain grease and prevent contamination.

Common Reasons For Replacement

Excessive play in the knuckle mount
Mount rotates roughly or binds
Grinding or clicking during movement
Grease leaks from the enclosed assembly
Seals are cracked, hardened, or damaged
Bearings are worn, pitted, or corroded
Water or debris has entered the housing
Cast-base mount undergoing a complete rebuild

Key Features

Stellar Industries part number 77891
Bearing and seal service kit
Designed for 14-inch enclosed knuckle mounts
Specific to compatible cast-base assemblies
Supports smooth rotation under load
Helps correct excessive bearing play
Retains lubricant within the mount
Protects internal components from contaminants
Intended for knuckle-mount maintenance and rebuilding