SKF 18704 Wheel Seal - Rear Outer

SKF 18704 Wheel Seal for Rear Outer Applications

SKF 18704 is a wheel seal built for rear outer service on select Buick applications. It uses a nitrile sealing surface and precise dimensions to help maintain lubricant retention while keeping road contaminants out of the hub area.

Key Features

• Wheel seal for driveline and axle sealing applications
• Nitrile sealing surface type for dependable sealing performance
• Outside diameter: 2.784 in.
• Shaft diameter: 1.875 in.
• Width: 0.250 in.
• SKF part number 18704 for direct reference and ordering

Detailed Description

SKF 18704 is engineered as a wheel seal for rear outer positions on 1950-1955 Buick Roadmaster and 1954-1955 Buick Century models. If you are searching for a rear outer wheel seal for a 1954 Buick Century or a 1950-1955 Buick Roadmaster, this SKF 18704 seal matches the listed application and dimensions. SKF has a long history of seal design and manufacturing, and this part reflects that focus with a material selection intended for the operating environment of the application.

This part cross-references Continental 49249 for the same application.

What It Helps Address

• Gear oil or lubricant leakage at the wheel end
• Contaminant intrusion into the sealed hub area
• Wear caused by degraded sealing surfaces
• Service issues related to an incorrect rear outer seal size
• Fitment concerns when replacing a worn SKF 18704 or equivalent seal

Installation Notes and Tips

Confirm the rear outer position and verify shaft diameter, outside diameter, and width before installation. Clean the sealing bore and shaft surface thoroughly, and inspect for scoring, corrosion, or wear that could affect seal life. Match the seal to the vehicle application exactly, including the Buick Century and Buick Roadmaster fitment listed for this part number 18704.

Quality Assurance

SKF manufactures seals to specific designs using premium materials and quality-controlled processes. The brand’s seal engineering background and long-standing OE-focused experience support consistent fit and sealing performance for the listed application.