Big Bearing Rear Axle Seal, 3 1/8 inch, 1966-77 Ford Bronco

Rear Axle Seal

Keep your rear axle properly sealed with this Rear Big Bearing Axle Seal, designed for 1966–1977 Classic Ford Broncos equipped with 3-1/8 inch big bearing rear ends. This high-quality replacement seal prevents gear oil leaks, protecting your bearings, brakes, and differential from contamination.

Made from durable, oil-resistant rubber and built to OEM specifications, this seal ensures a perfect fit and long-lasting performance. Each Bronco requires two seals for a complete installation.

Key Features:

• Fits 1966–1977 Ford Broncos with 3-1/8" big bearing rear axles

• Prevents gear oil leaks and keeps contaminants out

• Made from premium oil- and heat-resistant rubber

• Direct-fit replacement for the factory seal

• Ensures long-lasting protection and smooth operation

• Two required per vehicle (sold individually)

• Ideal for restorations, rebuilds, or rear-end maintenance

Protect your Bronco’s rear axle assembly with this Rear Big Bearing Axle Seal — a durable, factory-style replacement built for strength, precision, and dependable sealing performance.