InMotion WS710478 Wheel Seal - Front Inner

InMotion WS710478 Differential Pinion Seal

The InMotion WS710478 is a precision-engineered differential pinion seal built to help keep contaminants out and lubricant in. It is made from polyacrylate and sized for a secure fit at the pinion area, supporting reliable sealing performance in demanding driving conditions.

Key Features

• Polyacrylate construction for sealing durability
• Inside diameter: 2.126 in.
• Outside diameter: 2.57 in.
• Width: 0.276 in.
• Shaft diameter: 2.126 in.
• Housing bore: 2.559 in.
• Part number WS710478 for ordering and cross-reference use

Fitment

• Fits 1998-2004 Nissan Frontier, front inner.

Detailed Description

Built for the differential pinion location, the WS710478 seal helps maintain a tight barrier at a critical rotating interface. Its measured dimensions are designed to match the housing and shaft requirements of the application, helping reduce the chance of gear oil leakage while limiting intrusion from dirt and moisture. For Nissan Frontier service work, this seal supports a clean, controlled sealing surface where drivetrain protection matters most. This part number, WS710478, is a direct reference for 1998-2004 Nissan Frontier front inner applications.

What It Helps Address

• Gear oil seepage at the differential pinion area
• Contamination from road debris and moisture
• Wear caused by compromised sealing surfaces
• Service replacement for a leaking front inner seal
• Driveline maintenance on 1998-2004 Nissan Frontier models

Installation Notes and Tips

Inspect the pinion shaft, housing bore, and sealing surface before installation. Clean the area thoroughly and verify the seal dimensions against the removed part and vehicle specifications. Proper seating depth and alignment are important for consistent sealing performance. Confirm the application by year, make, model, and position before ordering WS710478.

Quality Assurance

InMotion manufactures this seal with precision-focused construction and high-quality materials to support dependable differential sealing. The design is intended to help protect internal components from contamination and fluid loss in normal service.