1968 Chevrolet Impala Caprice Biscayne NOS AC Heater Control Switch #3919586

Offered for sale is a genuine New Old Stock (NOS) Air Conditioning and Heater Control Switch, part number 3919586, correct for many 1968 Chevrolet Impala, Caprice, and Biscayne models equipped with factory air conditioning and heating systems. This original GM HVAC control component is a rare and highly desirable restoration part for collectors, restorers, and enthusiasts seeking authentic factory replacement parts.

The 1968 Chevrolet full-size lineup represented the perfect combination of style, comfort, performance, and innovation. The Impala, Caprice, and Biscayne models were among Chevrolet’s best-selling vehicles and offered a wide range of luxury and convenience options. One of the most desirable options available during this period was factory air conditioning, which greatly enhanced passenger comfort and driving enjoyment.

The AC heater control switch serves as a vital component within the vehicle’s climate control system. It allows the driver to regulate heating, ventilation, and air conditioning functions, helping maintain a comfortable cabin environment under varying weather conditions. Proper operation of the switch is essential for reliable HVAC performance.

Over time, original switches often become worn, damaged, corroded, or inoperative due to years of use, electrical wear, moisture exposure, and age. During restoration projects, many owners discover that original HVAC controls are missing, malfunctioning, or have been replaced with incorrect aftermarket components.

This genuine GM New Old Stock control switch was manufactured during the original production era and remained unused in inventory. Unlike used parts or reproduction alternatives, it retains the original factory specifications, construction, fitment, and reliability intended by Chevrolet engineers.

For enthusiasts focused on originality and authenticity, genuine GM HVAC components remain the preferred choice whenever available.

Product Features

• Genuine General Motors New Old Stock (NOS) part
• Chevrolet Part Number: 3919586
• Original AC heater control switch
• Correct for many 1968 Chevrolet full-size models
• Designed for factory air conditioning and heater systems
• Original GM electrical component
• Never installed on a vehicle
• Factory-correct fit and operation
• Ideal for restoration and repair projects
• Rare original Chevrolet HVAC component

Vehicle Compatibility

Commonly fits:

• 1968 Chevrolet Impala
• 1968 Chevrolet Caprice
• 1968 Chevrolet Biscayne

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

Why Choose NOS GM HVAC Components?

New Old Stock parts are considered the highest standard for restoration projects because they were manufactured by the original vehicle manufacturer and never previously installed. These components provide factory-correct functionality, appearance, and reliability.

Original GM electrical parts are especially valuable because they were engineered specifically for their intended applications and help maintain authenticity.

Importance of the AC Heater Control Switch

The climate control system depends on proper switch operation to regulate airflow, heating, and cooling functions. A faulty control switch can lead to poor HVAC performance, inconsistent operation, or complete loss of certain functions.

Replacing worn or damaged controls with genuine NOS GM components helps restore proper operation while preserving factory-correct construction and appearance.

Condition

This AC heater control switch 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, packaging deterioration, or handling marks may be present.

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

Perfect for Restoration Projects

Whether you are completing a concours-quality restoration, preserving a survivor vehicle, repairing an HVAC system, or restoring a factory air-conditioned Chevrolet, this NOS control switch provides an excellent opportunity to obtain an authentic GM replacement component.

Original HVAC parts are becoming increasingly difficult to locate, making genuine NOS examples highly desirable among restorers who value originality and functionality.

Collector Appeal

The 1968 Chevrolet Impala, Caprice, and Biscayne models remain popular among collectors due to their distinctive styling, comfortable interiors, and historical significance. As original GM service parts become scarcer, authentic NOS HVAC components continue to grow in demand.

This genuine NOS AC Heater Control Switch #3919586 represents an excellent opportunity to acquire an original Chevrolet component that contributes to the authenticity, functionality, and value of your restoration project.