1953–1955 Chevrolet Corvette C1 6-Cylinder NOS Exhaust Muffler U-Bolt #377916

Available for sale is a genuine General Motors New Old Stock (NOS) Exhaust Muffler U-Bolt, GM part number 377916, designed for 1953–1955 Chevrolet Corvette C1 models equipped with the original 6-cylinder engine. This original GM service replacement component is a rare and highly desirable piece of factory-correct exhaust hardware for early Corvette restorations.

The 1953–1955 Corvette C1 represents the beginning of America’s sports car legacy. The 1953 and 1954 Corvettes were powered by Chevrolet’s famous Blue Flame inline six-cylinder engine, while select 1955 models continued to utilize six-cylinder configurations before the widespread adoption of the V8. These early Corvettes are among the most collectible and historically significant Chevrolet vehicles ever produced.

The exhaust muffler U-bolt is an essential exhaust system fastening component. It secures the muffler and associated exhaust pipes, helping maintain proper alignment, support, and sealing throughout the exhaust system. Proper installation helps reduce vibration, prevent exhaust leaks, and ensure long-term durability of the exhaust assembly.

Over the years, original exhaust hardware is frequently lost, damaged, rusted, or replaced during routine maintenance and restoration work. For collectors pursuing factory-correct restorations, locating authentic GM exhaust hardware is often just as important as sourcing major mechanical 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 on a vehicle. It retains original factory dimensions, material specifications, and engineering standards intended for proper fitment and dependable performance.

Unlike generic aftermarket fasteners, NOS GM exhaust hardware offers authentic factory appearance and construction, making it ideal for concours-level restorations, show cars, and historically accurate Corvette projects.

For Corvette restorers, attention to detail is critical. Original-style exhaust hardware contributes to authenticity, judging accuracy, and overall vehicle value, particularly in early C1 Corvette restorations.

As original Corvette exhaust system components become increasingly difficult to locate, NOS hardware items such as this muffler U-bolt have become highly sought after by collectors, restoration professionals, and Corvette enthusiasts worldwide.

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Product Features

• Genuine General Motors New Old Stock (NOS) part
• GM Part Number: 377916
• Exhaust Muffler U-Bolt
• Designed for 1953–1955 Chevrolet Corvette 6-cylinder applications
• Factory-correct exhaust system hardware
• Secures muffler and exhaust pipe components
• Supports proper exhaust alignment and stability
• Original GM service replacement component
• Correct fit, appearance, and function
• Never installed on a vehicle
• Ideal for restoration and exhaust system repair

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Vehicle Compatibility

Fits:

• 1953 Chevrolet Corvette C1 (6-cylinder)
• 1954 Chevrolet Corvette C1 (6-cylinder)
• 1955 Chevrolet Corvette C1 (6-cylinder, where applicable)

Compatibility may vary depending on exhaust system configuration and production specifications. Buyers should verify fitment before purchase.

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Condition

This component 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, light surface oxidation, packaging wear, or cosmetic imperfections may be present.

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

For collectors and Corvette restoration enthusiasts seeking authentic GM exhaust hardware, this 1953–1955 Chevrolet Corvette 6-Cylinder NOS Exhaust Muffler U-Bolt #377916 represents an excellent opportunity to complete a factory-correct restoration while preserving originality, authenticity, and long-term collector value.