1939–1954 Chevrolet Passenger Car NOS Upper Control A-Arm Bumper Set #3708834

Available for sale is a genuine General Motors New Old Stock (NOS) Upper Control A-Arm Bumper Set, GM part number 3708834, designed for select 1939–1954 Chevrolet passenger car applications. This original GM service replacement component is a rare and valuable find for restorers seeking factory-correct front suspension parts for classic Chevrolet vehicles.

From the late 1930s through the early 1950s, Chevrolet passenger cars earned a reputation for dependable performance, comfortable ride quality, and durable engineering. Models including the Master, Special Deluxe, Fleetline, Styleline, 150, 210, and Bel Air helped establish Chevrolet as one of America’s most popular automobile manufacturers. Today, these vehicles remain highly sought after by collectors and restoration enthusiasts who appreciate their timeless styling and historical significance.

The upper control arm bumper, commonly known as an A-arm bumper or suspension stop bumper, is an important component of the front suspension system. It is designed to cushion suspension movement and prevent metal-to-metal contact when the suspension reaches its travel limits. Properly functioning bumpers help protect suspension components while contributing to smoother operation and improved ride quality.

Over decades of use, original rubber suspension bumpers often become brittle, cracked, flattened, or completely deteriorated due to age, environmental exposure, and normal wear. Worn bumpers can result in excessive suspension noise, harsh impacts, and unnecessary wear on suspension components.

This bumper set is a true New Old Stock (NOS) GM service replacement part. Manufactured during the original service era and never installed on a vehicle, it retains the original factory specifications, materials, and engineering standards intended by General Motors.

Unlike many modern reproduction components, genuine NOS GM suspension parts provide authentic fit, appearance, and material quality. For restorers pursuing factory-correct or concours-level restorations, original GM service parts remain the preferred choice whenever available.

Maintaining proper suspension components is essential not only for preserving originality but also for ensuring safe and predictable vehicle operation. Replacing deteriorated bumpers helps restore the suspension’s intended function while protecting valuable steering and suspension hardware.

Whether you are restoring a pre-war Chevrolet sedan, a post-war Fleetline, a Styleline coupe, or an early Bel Air, these upper control arm bumpers offer a correct and reliable restoration solution.

As original Chevrolet suspension service parts become increasingly scarce, NOS components such as this bumper set continue to be highly sought after by collectors, restoration shops, and classic car enthusiasts.

Product Features

• Genuine General Motors New Old Stock (NOS) part
• GM Part Number: 3708834
• Upper Control Arm (A-Arm) Bumper Set
• Original GM service replacement component
• Designed for Chevrolet passenger car front suspension systems
• Helps cushion suspension travel
• Prevents metal-to-metal contact
• Supports proper suspension operation
• Never installed on a vehicle
• Ideal for restoration and concours-quality projects

Vehicle Compatibility

Fits select Chevrolet passenger car models, including:

• 1939 Chevrolet Passenger Cars
• 1940 Chevrolet Passenger Cars
• 1941 Chevrolet Passenger Cars
• 1942 Chevrolet Passenger Cars
• 1946 Chevrolet Passenger Cars
• 1947 Chevrolet Passenger Cars
• 1948 Chevrolet Passenger Cars
• 1949 Chevrolet Passenger Cars
• 1950 Chevrolet Passenger Cars
• 1951 Chevrolet Passenger Cars
• 1952 Chevrolet Passenger Cars
• 1953 Chevrolet Passenger Cars
• 1954 Chevrolet Passenger Cars

Including various Master, Special Deluxe, Fleetline, Styleline, 150, 210, and Bel Air applications where applicable.

Buyers should verify fitment before purchase.

Condition

This bumper set is offered in New Old Stock (NOS) condition. The components have never been installed and remain original GM service replacement parts. Due to decades of storage, minor shelf wear, packaging marks, age-related cosmetic imperfections, or surface aging may be present.

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

For collectors and restoration enthusiasts seeking authentic GM suspension components, this 1939–1954 Chevrolet Passenger Car NOS Upper Control A-Arm Bumper Set #3708834 represents an excellent opportunity to restore proper suspension performance while preserving the originality, reliability, and value of your classic Chevrolet restoration.