GM 3991427 Ac Fan General 71-73 7-BLADE 1/2

( Brand: Gm ), ( Part Type: Ac Fan Motor ), ( Items Included: Fan Blade ), ( Manufacturer Part Number: 3991427 ), ( Vintage Part: Yes ), ( Country Of Origin: United States ), ( Item Width: 17 1/2 )

Review GM General Motors 71-73 Ac 7-blade Fan 1/2 Inch Dated Jan #3991427 fits CORVETTE A72 350 1972–2017

71-73 Chevrolet Corvette 350 AC 7-Blade Fan Replacement

This 7-blade fan is specifically designed for the 1971 to 1973 Chevrolet Corvette model with a 350 AC engine and a 17 1/2-inch (44.5 cm) fan opening. It is an excellent upgrade for your classic Corvette's cooling system, providing efficient airflow to maintain optimal engine temperature.

The fan is manufactured with high-quality materials to ensure durability and reliability. Its 7 blades are constructed from aluminum, which not only looks great but also offers superior strength and lightweight properties. The fan's finish is also designed to withstand the elements, making it ideal for those who enjoy driving their Corvettes with the top down.

This fan is an exact replacement for the original 7-blade fan that came with your Corvette. It fits perfectly into the existing mounting points, making installation a breeze. The fan is also compatible with the original Corvette fan clutch.

The fan's size, 17 1/2 inches (44.5 cm) in diameter, provides ample airflow to keep your engine running cool, even during long drives or in hot conditions. The fan's aerodynamic design ensures that it operates smoothly and quietly, adding to the overall driving experience.

If you are looking to upgrade the cooling system of your classic 1971 to 1973 Chevrolet Corvette with a 350 AC engine, this 7-blade fan is an excellent choice. It offers superior airflow, durability, and ease of installation, making it a must-have for any Corvette enthusiast.

Pros and Cons of Buying a 71-73 Corvette 350 AC 7-Blade Fan

The 71-73 Corvette 350 AC 7-Blade Fan is a popular aftermarket accessory for classic Corvette owners. This fan provides improved cooling for the cabin, enhancing the driving experience. Let's explore the pros and cons of investing in this fan for your classic Corvette.

1. Superior cooling: The 7-blade design ensures effective air circulation and cooling, making the driving experience more enjoyable, especially during hot summer days.

2. OEM-style fitment: The fan is designed to fit in the original Corvette dashboard opening, maintaining the authentic look of your classic car.

3. Easy installation: The fan comes with all necessary mounting hardware, making the installation process straightforward and manageable for most DIY enthusiasts.

4. Improved comfort: The fan provides a more comfortable driving environment by reducing the cabin temperature, allowing you to enjoy longer drives without feeling overheated.

5. Optional remote control: Some models offer a remote control, enabling you to adjust the fan speed without having to reach inside the dashboard.

1. Cost: The fan can be a significant investment, especially when considering the cost of other potential upgrades and restorations for a classic Corvette.

2. Power requirements: The fan may require additional wiring and a power source, which can add complexity to the installation process.

3. Size considerations: Make sure that the fan will fit in your specific Corvette model and dashboard configuration before making a purchase.

4. Potential noise: Some fans may generate more noise than the original factory fan, which could be a concern for those seeking a quieter driving experience.

5. Compatibility with aftermarket stereos: If you have an aftermarket stereo system, ensure that the fan's wiring and controls will be compatible with your setup.

Ultimately, the decision to purchase a 71-73 Corvette 350 AC 7-Blade Fan depends on your personal preferences, budget, and the specific requirements of your classic Corvette. For those who prioritize comfort and improved cooling during hot weather, the benefits of this fan may outweigh the costs. On the other hand, if you're on a tight budget or prefer the original factory fan, it might be best to consider other upgrades for your classic Corvette.

If you decide to invest in a 71-73 Corvette 350 AC 7-Blade Fan, be sure to research the specific model and seller to ensure a high-quality product with an easy installation process. Additionally, consider the potential power requirements and compatibility with your existing car setup before making a purchase.

Details:

71-73 Corvette 350 w/AC 7-Blade Fan 17 1/2 Dated A72 Jan 72 GM #3991427 Restored.

part #: 3991427 prices

• $299.95-$359.99

specifications shroudshell:

• for models: A72, 350, Corvette
• for years: 1972-2017
• brand: Gm
• part type: Ac Fan Motor
• items included: Fan Blade
• manufacturer part number: 3991427
• vintage part: Yes
• country of origin: United States
• item width: 17 1/2

general shroudshell:

• Car Truck Parts Accessories > Engine Cooling Components > Fan Shroud Assemblies
• condition: Remanufactured

offer shroudshell:

• quantity: 1
• sold: 0
• availability: In Stock
• started: February 20, 2026
• options: Ship-to-home

seller shroudshell:

• # reviews: 6241
• city: Kansas City, Kansas
• rating: 100.0%

payments shroudshell:

• other
• credit card: Discover
• wallet: Google-pay

returns shroudshell:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

shipping shroudshell:

• transit: 5-11 Days
• cost: $19.95
• class: Standard, Expedited
• carrier: USPS, UPS
• type: Fixed
• service: USPS Ground Advantage, UPS Ground, USPS Priority Mail

Gm 3991427 Is Similar To:

• Gm 15707521 00-06 Chevy Silverado gmc Yukon Upper Fan Shroud P n Genuine Oem Part (24% similar) Fits 2000 -2006 Chevy Tahoe/Silverado/suburban GMC sierra/Yukon Yukon XL. Shroud was pulled from the pictured 2000 GMC Yukon XL with a vortex 5.3. Gm part number 15707521...(June 16th, 2024)
• Gm 85159684 2020-2024 Acadia Blazer Xt5 Xt6 3.6l Gas Radiator Cooling Fan Motor Oem (14.1% similar) 2020-2024 Acadia blazer XT5 XT6 3.6L gas radiator cooling fan motor oem 85159684, used condition...(June 19th, 2024)
• Gm 15024813 03-20 Chevy Express 03-19 Gmc Savana 6.0l 11 Blade Cooling Fan With Clutch (21.3% similar) Pulled from a 2005 Chevrolet express 3500 6.0L, 11 blade fan with clutch...(June 19th, 2024)
• Cadillac 1606068 Gm 7 Blade Cooling Fan Air Conditioning Clutch 1613283 (24.3% similar) It is compatible with various Cadillac model's such as devilled, Seville, fleet wood, and el dread. It is made of high-quality aluminum and steel materials features a curved blade design for maximum airflow. Used sold as is. The manufacturer part number is 1606068 016789, 1613283, hardtop, coupe...(June 21st, 2024)
• Gm 6261918 1971 1972 71 72 Chevelle Big Block 402 454 Fan Shroud Ls5 Ls6 Rare (23.5% similar) 1971 1972 71 72 Chevalier big block 402 454 Gm fan shroud 6261918 LS5 LS6 rare ,good used no cracks breaks...(June 22nd, 2024)
• Gm 23412299 Radiator Fan Assembly (17.8% similar) Part #: Gm 23412299 for sale...(June 22nd, 2024)
• Gm 84910712 Left Radiator Cooling Fan Motor From 2021 Chevrolet C8 Corvette 9070023 (27% similar) Left radiator cooling fan motor from 2021 Chevrolet c8 corvette 9070023, used, in good condition. Comes as shown in pictures. Comes with housing. Housing for fan is broken see pictures, please verify vehicle fitment and part number before purchase...(June 29th, 2024)
• Gm 162-65022-01 05-13 Corvette C6 Engine Cooling Fan Motor And Connector Oem Aa7200 (35.7% similar) The owner took a lifetime dream of his and made it into reality. 05-13 corvette c6 engine cooling fan motor and connector oem AA7200. Fast free shipping applies to the lower 48 states. If there is damage, refuse it. After a lot of blood, sweat, tears and sleepless nights, one mans dreams...(July 22nd, 2024)
• Spal 84754211 2020-2021 Gm Acadia Blazer Cadillac Xt5 Ac radiator Cooling Fan Assembly (23.4% similar) Part #:84826491. This item should fit these makes or model's: Gm Acadia, Chevy blazer. This should fit from 2020 through 2021 . This is a used part and may have minor blemishes, scratches or scuffs. See photos #1 #2 for damage. At expedited...(July 22nd, 2024)
• Gm 60002452 2020-2023 Buick Encore Gx Radiator Fan Motor Shroud Assembly Awd (19.1% similar) We feature both foreign and domestic cars, trucks, vans Suva...(July 23rd, 2024)
• Gm 019495036678 Cooling Fan Assembly For Olds Cutlass Oldsmobile Ciera Century 1990 (19.5% similar) Used fan some damage from a wreck but has no effect...(July 24th, 2024)