SKF 25430 Wheel Seal - Rear Outer

Wheel Seal Overview

SKF wheel seal 25430 is a sealing component for specific rear outer wheel applications on Nissan trucks. It is built with a nitrile sealing surface and dimensions matched to the shaft and housing requirements for the listed fitments.

Use this SKF wheel seal 25430 when you need a precise sealing interface that helps retain lubricant and block road contaminants. It is a direct-fit style replacement for the specified Nissan D21 and Nissan 720 applications with dual rear wheels.

Key Features

• Nitrile sealing surface for dependable contact and fluid control.
• Matched dimensions: 0.315 width, 3.550 outside diameter, and 2.559 shaft diameter.
• Engineered for rear outer wheel seal applications.
• SKF sealing design backed by long-standing seal development experience.

Detailed Description

SKF 25430 is a wheel seal designed for rear outer positions on select Nissan D21 and Nissan 720 trucks equipped with dual rear wheels. The seal uses a nitrile sealing surface and application-specific sizing to support proper fit at the shaft and housing interface. For buyers searching for a Nissan D21 rear outer wheel seal or a Nissan 720 rear outer wheel seal, this part number 25430 provides a focused replacement option.

SKF has a long history in seal engineering, including early integrated shaft seal development and continued refinement of bonding methods and material selection. That background is reflected in the 25430 wheel seal, which is manufactured to specific design requirements for the application environment. This part cross-references Monroe Shocks & Struts (e.g., 134-5415, 431-6098) for the same application.

What It Is Used For

• Replacing a worn or leaking rear outer wheel seal.
• Restoring lubricant retention at the wheel end.
• Reducing contamination from dirt and road debris.
• Addressing seal wear that can lead to hub service issues.

Installation Notes and Tips

Confirm the rear outer position and dual rear wheel configuration before ordering. Verify shaft diameter, outside diameter, and width against the existing seal and hub dimensions. Clean the sealing surfaces thoroughly and inspect the mating components for wear or damage before installation.

Quality Assurance

SKF manufactures seals to specific design requirements using premium materials and quality-focused production standards. The brand’s seal engineering heritage and manufacturing controls support long service life and dependable sealing performance.