1957 Chevrolet 150, 210, Bel Air & Corvette C1 NOS Rear Axle Bearing #904262 / #3739109

Available for sale is a genuine General Motors New Old Stock (NOS) Rear Axle Bearing, GM part numbers 904262 and 3739109, designed for 1957 Chevrolet 150, 210, Bel Air, and Corvette C1 applications. This original GM service replacement component is a rare and highly desirable drivetrain part for restorers seeking factory-correct rear axle components for one of Chevrolet’s most iconic model years.

The 1957 Chevrolet lineup is widely regarded as one of the most celebrated years in automotive history. Models such as the 150, 210, and Bel Air remain favorites among collectors due to their distinctive styling, performance options, and cultural significance. The 1957 Corvette C1 further enhanced Chevrolet’s performance image with its advanced small-block V8 engine and sports car heritage.

The rear axle bearing is a critical component within the rear axle assembly. It supports the axle shaft, allows smooth rotation, and helps maintain proper axle alignment while carrying vehicle loads. A properly functioning axle bearing contributes to quiet operation, reduced friction, and dependable drivetrain performance.

Over time, original bearings can wear due to age, mileage, contamination, and lubrication breakdown. Common symptoms of bearing wear include humming or grinding noises, axle vibration, excessive axle movement, seal leakage, and premature wear of related drivetrain components.

This component is a true New Old Stock (NOS) GM service replacement part, meaning it was manufactured during the original production era and has never been installed. It retains original factory specifications, dimensions, materials, and engineering standards intended by General Motors.

Unlike many modern replacement bearings, NOS GM components offer authentic factory quality and period-correct manufacturing characteristics, making them especially valuable for concours restorations and historically accurate rebuilds.

For restorers and collectors, maintaining original drivetrain components is essential for preserving vehicle authenticity, reliability, and long-term value. Whether restoring a Bel Air hardtop, a 210 sedan, a 150 utility model, or a Corvette C1, this bearing helps ensure smooth rear axle operation and factory-correct performance.

As original 1957 Chevrolet drivetrain service parts become increasingly difficult to locate, NOS axle bearings such as this have become highly sought after by collectors and restoration professionals.

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Product Features

• Genuine General Motors New Old Stock (NOS) part
• GM Part Numbers: 904262 / 3739109
• Rear Axle Bearing Assembly
• Designed for 1957 Chevrolet passenger car and Corvette applications
• Supports proper axle shaft alignment and rotation
• Helps reduce friction, vibration, and drivetrain wear
• Factory-correct GM service replacement component
• Original period-correct construction
• Never installed
• Ideal for restoration and rear axle rebuild projects
• Rare 1957 Chevrolet drivetrain component

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Vehicle Compatibility

Fits:

• 1957 Chevrolet 150
• 1957 Chevrolet 210
• 1957 Chevrolet Bel Air
• 1957 Chevrolet Corvette C1

Compatibility may vary depending on rear axle configuration and production specifications. 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 component. Due to decades of storage, minor shelf wear, preservative residue, packaging wear, or light surface oxidation may be present.

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

For collectors and restoration enthusiasts seeking authentic GM drivetrain components, this 1957 Chevrolet 150, 210, Bel Air & Corvette C1 NOS Rear Axle Bearing #904262 / #3739109 represents an excellent opportunity to restore proper rear axle performance, maintain factory-correct originality, and preserve the long-term value of a classic Chevrolet restoration.