1955–1957 Chevrolet 150, 210, Bel Air & Corvette Powerglide V8 NOS Outer Throttle Control Valve Lever #3713793

Available for sale is a genuine General Motors New Old Stock (NOS) Outer Throttle Control Valve Lever, GM part number 3713793, designed for select 1955–1957 Chevrolet 150, 210, Bel Air, and Corvette models equipped with V8 engines and Powerglide automatic transmissions. This original GM service replacement component is an excellent find for collectors and restorers seeking authentic drivetrain and transmission linkage parts for a factory-correct restoration.

The 1955–1957 Chevrolet models, often referred to as the legendary Tri-Five Chevrolets, represent one of the most celebrated periods in automotive history. During these years, Chevrolet introduced the revolutionary small-block V8 engine, transforming the brand’s performance image and establishing a foundation for decades of success. The Corvette also benefited from V8 power beginning in 1955, further enhancing its reputation as America’s sports car.

The Outer Throttle Control Valve Lever is an important component within the Powerglide automatic transmission control system. It works as part of the throttle valve linkage assembly, helping regulate transmission hydraulic pressure based on throttle position and engine load. Proper operation of this linkage contributes to smooth shifting characteristics, transmission responsiveness, and overall drivability.

A correctly functioning throttle control valve system helps ensure that transmission shift timing and pressure correspond to engine demand. This allows the Powerglide transmission to deliver smooth and reliable performance under varying driving conditions. Damaged, bent, worn, or missing linkage components can negatively affect shift quality and transmission operation.

Over time, original throttle linkage components can become worn, corroded, damaged, or lost during previous repairs and restoration efforts. Finding genuine replacement pieces has become increasingly difficult due to the age of these vehicles and the limited availability of original service parts.

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

Unlike many reproduction parts, genuine NOS components provide factory-correct fit, appearance, and functionality. For enthusiasts pursuing concours-level restorations or preserving original vehicles, authentic GM linkage components are highly desirable.

Transmission linkage hardware may not be immediately visible once installed, but it plays a critical role in maintaining proper operation of the drivetrain. Restoring these systems with original components helps preserve both performance and authenticity.

Whether you’re restoring a Bel Air Sport Coupe, Chevrolet 210 sedan, Chevrolet 150, Nomad wagon, Corvette, or another compatible V8 Powerglide-equipped Chevrolet, this NOS throttle control valve lever offers an outstanding opportunity to install a genuine GM service component.

As original GM drivetrain components continue to disappear from inventories, authentic NOS transmission linkage parts have become increasingly sought after by collectors and restoration professionals. This rare outer throttle control valve lever represents an important piece for any high-quality restoration project.

Product Features

• Genuine General Motors New Old Stock (NOS) part
• GM Part Number: 3713793
• Outer Throttle Control Valve Lever
• Original GM service replacement component
• Designed for Powerglide automatic transmission applications
• Factory-correct fit and appearance
• Supports proper transmission linkage operation
• Helps maintain correct shift timing and transmission performance
• Never installed on a vehicle
• Ideal for restoration and preservation projects

Vehicle Compatibility

Fits select:

• 1955 Chevrolet 150 V8 with Powerglide
• 1956 Chevrolet 150 V8 with Powerglide
• 1957 Chevrolet 150 V8 with Powerglide
• 1955 Chevrolet 210 V8 with Powerglide
• 1956 Chevrolet 210 V8 with Powerglide
• 1957 Chevrolet 210 V8 with Powerglide
• 1955 Chevrolet Bel Air V8 with Powerglide
• 1956 Chevrolet Bel Air V8 with Powerglide
• 1957 Chevrolet Bel Air V8 with Powerglide
• 1955 Chevrolet Corvette V8 with Powerglide
• 1956 Chevrolet Corvette V8 with Powerglide
• 1957 Chevrolet Corvette V8 with Powerglide

Compatibility may vary depending on engine configuration, transmission setup, and production specifications. Buyers should verify fitment before purchase.

Condition

This throttle control valve lever 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, packaging marks, surface oxidation, or age-related imperfections 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 Powerglide transmission components, this 1955–1957 Chevrolet 150, 210, Bel Air & Corvette PG V8 NOS Outer Throttle Control Valve Lever #3713793 represents an excellent opportunity to acquire a genuine GM service part that helps preserve the originality, performance, and value of your classic Chevrolet restoration.