6490377 GM Nos Blower Delay Switch Buick Oldsmobile Pontiac

Review GM Buick Oldsmobile Pontiac Nos Blower Delay Switch for BUICK OLDSMOBILE PONTIAC 1973–1976

The GM 6490377 Blower Delay Switch is an essential automotive component designed for use in Buick, Oldsmobile, and Pontiac vehicles manufactured between 1973 and 1976. This part is specifically engineered to control the heating and cooling system's fan delay function, ensuring optimal temperature and comfort in your classic vehicle.

The switch is a compact and robust component, featuring a durable construction that can withstand the test of time. It is engineered from high-quality materials, designed to provide reliable performance and extend the life of your heating and cooling system. The switch incorporates a unique blower delay function that allows the fan to continue running for a set period after the heat or air conditioning is turned off. This feature helps maintain the desired temperature inside the vehicle, providing a more comfortable driving experience.

The design of the GM 6490377 Blower Delay Switch is straightforward yet effective. It features two terminals for easy installation and connection to your vehicle's wiring harness. The switch is designed to fit seamlessly into your vehicle's existing electrical system, making it a simple and straightforward upgrade for classic car enthusiasts.

The GM 6490377 Blower Delay Switch is a must-have for anyone looking to restore or maintain their classic Buick, Oldsmobile, or Pontiac vehicle. This essential component not only enhances the driving experience by providing optimal temperature control but also adds to the overall value and authenticity of your classic car. Whether you're a seasoned collector or a newcomer to the classic car scene, this blower delay switch is an investment that will pay off in both functionality and enjoyment.

Installation of the GM 6490377 Blower Delay Switch is a straightforward process, and detailed instructions are included with the part to ensure a hassle-free experience. This switch is a direct fit for the specified Buick, Oldsmobile, and Pontiac models, making it a reliable and convenient solution for classic car enthusiasts.

When you choose the GM 6490377 Blower Delay Switch, you're investing in a high-quality component that is built to last. Its durable construction, reliable performance, and easy installation make it an essential upgrade for any classic vehicle owner. So, whether you're restoring a beloved family heirloom or building your dream car from the ground up, this blower delay switch is an investment that will help you get the most out of your classic vehicle.

Buying a GM 6490377 Blower Delay Switch for 1973-1976 Buick, Oldsmobile, Pontiac: Pros, Cons, and Conclusion

The GM 6490377 Blower Delay Switch is a crucial component for the heating and ventilation system in certain Buick, Oldsmobile, and Pontiac vehicles manufactured between 1973 and 1976. This part controls the fan delay function, ensuring proper temperature and comfort inside the cabin. In this analysis, we will explore the potential advantages and disadvantages of purchasing this blower delay switch.

1. Improved Comfort: A faulty blower delay switch can result in uncomfortable driving conditions due to inconsistent temperature and fan speed. Replacing the part with a new GM 6490377 switch can restore the expected heating and cooling performance, enhancing overall driving comfort.

2. Enhanced Durability: Using an OEM (Original Equipment Manufacturer) part like the GM 6490377 switch ensures that the replacement component is built to the same specifications as the original equipment. This guarantees long-lasting performance and reliability.

3. DIY Friendly: Installing a new blower delay switch is generally considered a straightforward repair job, making it an attractive option for car enthusiasts and those who prefer to work on their vehicles themselves.

1. Cost: Replacing a blower delay switch with an OEM part can be more expensive than using aftermarket alternatives. However, the assurance of quality and compatibility with the specific vehicle model may justify the higher cost for some consumers.

2. Availability: Depending on the location and availability of the GM 6490377 switch, it might take some time to source and receive the part. This could mean an extended period without the vehicle or alternative transportation arrangements.

3. Installation Complexity: While the installation process is relatively simple, some older vehicles may present challenges due to their design or limited access to certain components.

In conclusion, purchasing a GM 6490377 Blower Delay Switch for 1973-1976 Buick, Oldsmobile, Pontiac vehicles offers several advantages, including improved comfort, enhanced durability, and the peace of mind that comes with using an OEM part. However, the potential disadvantages, such as cost, availability, and installation complexity, should also be considered before making a decision. Ultimately, the choice depends on the individual's priorities, budget, and personal preferences. For those seeking optimal performance and longevity, investing in a genuine GM part may be the best option.

Details:

1973-1976 Buick Oldsmobile Pontiac nos blower delay switch 6490377: genuine Gm low heater switch, part number 6490377, which was superseded to 25036589.buick and used this for a all of the cars listed, it mounted in cylinder head. 1975 - 1976 Oldsmobile star fire. Brand new, never installed, still in original Gm ac box. 1973 - 1975 Pontiac leans, grand am, Catalina, Bonneville, Greenville, safari, pix, fire bird and transom.

Pontiac used it for the delay switch only on 1976 venture, while other Pontiac's listed a Tc's/erg v8 engines.this fits:1973 - Buick century, regal, Sabre, centurion, Electra, estate wagon and riviera.

specifications aircondiheat:

• for makes: Buick, Oldsmobile, Pontiac
• for years: 1973–1976
• brand: Gm
• mpn: 6490377
• part type: Switch Blower
• manufacturer warranty: No
• country of origin: United States

seller aircondiheat:

• city: toledo, ohio
• # reviews: 19244
• rating: 100.0%

offer aircondiheat:

• prices: $29.99–$234.56
• item condition:
  • Used
  • New
• started: may 31, 2026
• availability: in stock
• in stock #: 4
• options: ship-to-home
• sold #: 7

general aircondiheat:

• category: Auto Parts > Car Truck Accessories > Air Conditioning Heating

returns aircondiheat:

• policy: no returns

payments aircondiheat:

• other
• credit card: visa
• wallet: paypal

shipping aircondiheat:

• service: usps first class
• transit: 17-27 days
• carrier: usps
• class: standard
• type: calculated