1929–1931 Chevrolet NOS Rear Outer Axle Shaft Bearing Seal Felt #344072

Available for sale is a genuine General Motors New Old Stock (NOS) Rear Outer Axle Shaft Bearing Seal Felt, GM part number 344072, designed for 1929–1931 Chevrolet passenger car applications. This original factory service replacement component is a rare and highly desirable antique drivetrain sealing part for restorers seeking authentic, period-correct materials for early Chevrolet rear axle assemblies.

The 1929–1931 Chevrolet passenger cars represent an important early era in Chevrolet history, featuring simple, durable mechanical designs that helped establish the brand’s reputation for reliability and affordability. Today, these early vehicles are highly valued by antique automobile collectors and restoration specialists.

The rear outer axle shaft bearing seal felt plays an important role in the rear axle assembly by helping retain lubricant and reduce contamination entering the axle bearing area. Felt sealing materials were commonly used in early automotive designs due to their ability to absorb oil and provide a controlled sealing surface.

Proper sealing helps maintain smooth axle operation, reduces bearing wear, and supports long-term drivetrain reliability. Without an effective seal, axle bearings can become contaminated with dirt, dust, and debris, leading to premature wear and potential drivetrain failure.

This component is a true New Old Stock (NOS) GM service replacement part, meaning it was manufactured during the original production/service era and has never been installed. It retains original factory specifications and authentic material composition, including period-correct felt construction.

Unlike modern synthetic replacements, NOS felt seals are valued for their authenticity and correctness in antique restorations, especially for show-quality or historically accurate builds where original materials are required.

For collectors and restoration professionals, maintaining original sealing materials is essential to preserving both the mechanical function and historical integrity of early Chevrolet rear axle systems.

As original pre-war Chevrolet drivetrain sealing components become increasingly difficult to locate, NOS parts such as this felt seal remain highly sought after by antique automotive enthusiasts.

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Product Features

• Genuine General Motors New Old Stock (NOS) part
• GM Part Number: 344072
• Rear Outer Axle Shaft Bearing Seal Felt
• Designed for 1929–1931 Chevrolet passenger cars
• Period-correct felt sealing material
• Helps retain lubrication and reduce contamination
• Supports proper axle bearing protection
• Factory-correct antique drivetrain component
• Never installed
• Ideal for restoration and authenticity builds
• Rare early Chevrolet sealing material component

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Vehicle Compatibility

Fits:

• 1929 Chevrolet Passenger Car
• 1930 Chevrolet Passenger Car
• 1931 Chevrolet Passenger Car

Compatibility may vary depending on rear axle configuration and production variations. Buyers should verify fitment before purchase.

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Condition

This item is offered in New Old Stock (NOS) condition. It has never been installed and remains an original GM service replacement part. Due to decades of storage, minor shelf wear, aging of felt material, or light discoloration may be present.

Please review all available photographs carefully to determine the exact condition of the item being offered.

For antique Chevrolet restorers and collectors, this 1929–1931 Chevrolet NOS Rear Outer Axle Shaft Bearing Seal Felt #344072 represents a rare opportunity to maintain factory-correct authenticity while restoring proper rear axle sealing performance in a classic pre-war Chevrolet.