3136473 GENERAL MOTORS Heater Cover Outer Flapper Door C1 Gm

Review GENERAL MOTORS Heater Cover Outer Flapper Door Gm for GM CORVETTE C1 1956–1962

1956-1962 Corvette Heater Cover Outer Flapper Door C1 (GM Part No. 3136473)

This heater cover outer flapper door is an essential component for your 1956-1962 Corvette model. Manufactured by General Motors (Part No. 3136473), this authentic OEM (Original Equipment Manufacturer) part is designed to provide optimal functionality and fitment to your classic vehicle.

The heater cover outer flapper door is responsible for controlling the airflow between the engine compartment and the passenger cabin. When the engine is cold, this part allows warm air from the heater core to reach the interior while preventing cold air from entering. Once the engine reaches operating temperature, the door seals tightly to maintain the desired cabin temperature.

This heater cover outer flapper door is meticulously crafted using high-quality materials to ensure durability and longevity. It features a precise design that closely matches the original part, allowing it to blend seamlessly with the rest of your Corvette's heater system.

Installation is straightforward, making it an ideal choice for DIY enthusiasts. Each OEM part comes with comprehensive installation instructions, ensuring a hassle-free experience. Additionally, this part is backed by General Motors' reputation for excellence, giving you peace of mind and confidence in your purchase.

In summary, this 1956-1962 Corvette Heater Cover Outer Flapper Door C1 (GM Part No. 3136473) is an essential upgrade for your classic Corvette. Not only does it provide improved functionality, but it also maintains the authenticity and originality of your vehicle. Order now to restore your Corvette's heater system to its former glory.

Pros and Cons of Buying a Heater Cover Outer Flapper Door C1 for 1956-1962 Corvette

The heater cover outer flapper door C1 is an essential component of the heating system in 1956-1962 Corvette models. This part ensures proper airflow and temperature control within the vehicle's cabin. If you are considering purchasing this heater cover component, here are some pros and cons that may help you make an informed decision.

1. Improved Heater Performance: A worn or damaged heater cover flapper door can negatively impact your Corvette's heating system. Replacing this part with a new one can help restore efficient heater performance.

2. Enhanced Driving Comfort: A functioning heater cover flapper door keeps cold air out and warm air in, ensuring a more comfortable driving experience, especially during colder weather.

3. Preservation of Originality: If you own a classic Corvette, maintaining its originality is essential. Replacing worn or damaged heater cover components with new, authentic parts can help preserve the vehicle's value.

4. Preventing Further Damage: A damaged or malfunctioning heater cover flapper door can cause additional damage to other components within the heating system. Replacing it promptly can help prevent further wear and tear.

1. Cost: Original, OEM heater cover flapper doors for 1956-1962 Corvettes can be relatively expensive due to their rarity and the high demand for authentic parts.

2. Availability: Finding a new, OEM heater cover flapper door for your specific year and model may be challenging, as these parts are not mass-produced and can be hard to source.

3. Installation Complexity: Installing a heater cover flapper door can be a more involved process compared to some other automotive parts. You may need specialized tools or professional assistance to ensure a proper installation.

The decision to buy a heater cover outer flapper door C1 for your 1956-1962 Corvette ultimately depends on your priorities and budget. If you value originality, improved driving comfort, and efficient heater performance, then investing in a new OEM part may be worthwhile. However, if the cost and availability concerns outweigh the benefits for you, considering aftermarket alternatives or living without the part may be viable options.

If you decide to proceed with purchasing a new heater cover flapper door C1, it is essential to ensure you are getting an authentic, OEM part from a reputable supplier. Researching potential sellers and checking their customer reviews can help you make a confident purchase. Additionally, considering whether professional installation is necessary can help you avoid potential complications during the installation process.

Details:

56-62 Corvette C1 heater cover - outer with flapper door. Gm # 3136473.

specifications aircondiheat:

• for models: C1, Corvette
• for makes: Gm
• for years: 1956–1962
• brand: General Motors
• mpn: 3136473
• part type: Cover Heater Door Motor
• vintage part: Yes
• universal fitment: No

offer aircondiheat:

• in stock #: 2
• best offers: true
• options: ship-to-home
• sold #: 9
• started: february 17, 2026
• availability: in stock
• prices: $99.95–$125.00
• item condition: Used

seller aircondiheat:

• # reviews: 3529
• city: bowling green, kentucky
• rating: 99.8%

shipping aircondiheat:

• carrier: usps
• transit: 3-8 days
• service: usps ground advantage
• class: standard
• type: calculated

general aircondiheat:

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

returns aircondiheat:

• policy: no returns

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• wallet: google-pay
• credit card: mastercard
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