Dana 20 Adapter Bearing Retainer O-Ring, 3-speed/C4/AOD/NV3550 SKU: 7213

Dana 20 Transfer Case Adapter Bearing Retainer O-Ring

Keep your adapter bearing retainer properly sealed with this adapter bearing retainer O-ring for the Dana 20. Designed to fit the adapter bearing retainer inside the intermediate housing, this small but vital part helps prevent gear oil leaks and contamination in your classic Bronco drivetrain. Whether you're running the stock 3-speed, a C4 automatic, an AOD, or even an NV3550 5-speed, this O-ring keeps the connection clean and sealed.

• Fits Dana 20 transfer case – Compatible with 3-speed, C4, AOD, and NV3550 transmissions.

• Seals the adapter bearing retainer – Maintains fluid separation between transfer case and transmission.

• Essential for rebuilds or upgrades – Often overlooked but critical for long-term reliability.

• High-quality material – Built to withstand heat, pressure, and oil exposure.

Keep transmission and transfer case fluids where they belong - precision O-ring seals the adapter bearing retainer to prevent fluid crossover between systems.