1967–1970 Chevrolet Van G10 G20 NOS Heater Control Switch & Cable #3928407

Offered for sale is a genuine New Old Stock (NOS) Chevrolet Heater Control Switch and Cable Assembly, part number 3928407, correct for many 1967, 1968, 1969, and 1970 Chevrolet G10 and G20 Van applications. This original GM HVAC control component is a rare and increasingly difficult-to-find restoration part for enthusiasts seeking authentic factory equipment.

The first-generation Chevrolet G-Series vans became popular throughout North America due to their versatility, reliability, and practical design. Used by tradesmen, delivery companies, service fleets, camper conversion builders, and families, the G10 and G20 vans established themselves as durable workhorses capable of handling a wide range of duties.

Today, these classic Chevrolet vans have become increasingly collectible. Restorers and collectors appreciate their unique styling, historical significance, and growing popularity within the vintage van community. As a result, original GM service parts have become highly desirable for maintaining authenticity and ensuring factory-correct restorations.

The heater control switch and cable assembly is an important component of the vehicle’s heating and ventilation system. It allows the driver to regulate heater functions and control airflow through the HVAC system. Proper operation of the switch and cable ensures comfortable cabin temperatures and reliable heater performance.

Over decades of use, original heater controls often become worn, seized, corroded, broken, or damaged. Control cables may bind, kink, stretch, or fail altogether, resulting in poor heater operation. Finding an original GM replacement assembly can be difficult, making genuine NOS examples especially valuable.

This heater control switch and cable assembly was manufactured by General Motors and remained unused in inventory. Unlike reproduction parts or used components, it retains the original factory specifications, materials, construction, and fitment characteristics intended by Chevrolet engineers.

Product Features

• Genuine General Motors New Old Stock (NOS) part
• Chevrolet Part Number: 3928407
• Original heater control switch and cable assembly
• Correct for many 1967–1970 Chevrolet G10 and G20 Vans
• Factory HVAC control component
• Never installed on a vehicle
• Original GM manufacturing quality
• Factory-correct fit and operation
• Ideal for restoration and repair projects
• Hard-to-find vintage Chevrolet van component

Vehicle Compatibility

Commonly fits:

• 1967 Chevrolet G10 Van
• 1967 Chevrolet G20 Van
• 1968 Chevrolet G10 Van
• 1968 Chevrolet G20 Van
• 1969 Chevrolet G10 Van
• 1969 Chevrolet G20 Van
• 1970 Chevrolet G10 Van
• 1970 Chevrolet G20 Van

Compatibility may vary depending on heater configuration, trim level, and production specifications. Buyers should verify fitment before purchase.

Why Choose NOS GM HVAC Components?

New Old Stock parts are highly valued because they were produced by the original manufacturer and never installed. These components provide factory-correct appearance, dimensions, materials, and functionality that are often difficult to duplicate with reproduction parts.

For enthusiasts pursuing authentic restorations, genuine GM HVAC components help maintain originality while ensuring proper system operation.

Importance of the Heater Control Switch & Cable

The heater control assembly serves as the driver’s primary interface with the heating system. Proper control operation is essential for adjusting temperature, airflow, and overall cabin comfort.

A damaged or malfunctioning switch or cable can affect heater performance and reduce drivability, especially in colder climates. Replacing worn components with original GM parts helps restore reliable operation while preserving factory-correct construction.

Condition

This heater control switch and cable assembly is described as New Old Stock (NOS). The component has never been installed and remains an original GM service replacement part. Due to decades of storage, minor shelf wear, handling marks, or packaging deterioration may be present.

Buyers are encouraged to carefully review all available photographs to determine the exact condition of the assembly being offered.

Perfect for Restoration Projects

Whether you are restoring a work van, camper conversion, custom cruiser, survivor vehicle, or concours-level project, this NOS heater control switch and cable assembly provides an outstanding opportunity to obtain authentic Chevrolet parts.

Original HVAC components are becoming increasingly difficult to locate, making NOS examples highly desirable among restorers who value authenticity and proper functionality.

Collector Appeal

The 1967–1970 Chevrolet G-Series vans continue to gain popularity among collectors and enthusiasts. As restoration activity increases, demand for original GM service parts continues to grow.

This genuine NOS Heater Control Switch & Cable Assembly #3928407 represents an excellent opportunity to acquire an authentic Chevrolet van component that helps preserve the originality, functionality, and value of your restoration project.