InMotion WS331301N Wheel Seal - Front Inner

Wheel Seal for Differential Pinion Service

The InMotion WS331301N wheel seal is built for differential pinion sealing applications that require a precise fit and a dependable barrier against dirt, moisture, and lubricant loss. With polyacrylate construction and measured dimensions that support accurate sealing, this part helps protect internal driveline components in service.

Compatible With 1961-1970 Buick LeSabre front inner and 1963-1970 Buick Riviera front inner applications, the WS331301N is a direct-fit sealing component for selected classic Buick driveline service work.

Key Features

• Polyacrylate seal material for durable sealing performance
• Inside diameter: 2 in.
• Outside diameter: 2.566 in.
• Width: 0.528 in.
• Shaft diameter: 2 in.
• Housing bore: 2.562 in.
• Designed for differential pinion sealing applications
• InMotion part number WS331301N

Detailed Product Description

The InMotion WS331301N is engineered to create a tight seal at the differential pinion area, helping keep contaminants out and lubricant in. Its polyacrylate material is selected for sealing durability, while the listed dimensions support accurate installation in the specified front inner applications. For buyers searching for a Buick LeSabre front inner wheel seal or a Buick Riviera front inner differential pinion seal, this part number provides a focused replacement option. The WS331301N is also referenced by its part number, WS331301N, for catalog and service lookup.

What This Part Helps Address

• Gear oil seepage at the differential pinion seal area
• Contamination from road debris and moisture entering the housing
• Wear-related sealing loss in older driveline assemblies
• Service replacement needs for front inner seal applications
• Noise or driveline issues associated with low lubricant retention

Installation Notes and Tips

Verify shaft diameter, housing bore, and seal width before installation. Clean the sealing surface and inspect the mating components for wear, scoring, or corrosion before pressing the seal into place. Confirm the application by year, make, model, and position: Fits 1961-1970 Buick LeSabre, Front Inner; Fits 1963-1970 Buick Riviera, Front Inner. Use the WS331301N part number during parts verification to match the correct service application.

Quality Assurance

InMotion manufactures this seal with precision-focused dimensions and high-quality materials for differential sealing service. The design is centered on maintaining a secure barrier against contaminants and fluid loss in the specified applications.