GM 3770529 Block Fan Clutch Eaton Cj

( Brand: Gm ), ( Part Type: Fan Block Clutch ), ( Manufacturer Part Number: 3770529 ), ( Material: Steel ), ( Vintage Part: Yes )

Review GM Small Block Original Fan Clutch Eaton Cj fits CORVETTE 327 1967–2015

The Eaton CJ 15 fan clutch for the 1967 Chevrolet Corvette with the 327 block, part number GM 3770529, is an essential component of the cooling system that ensures optimal engine performance and temperature regulation. This fan clutch is a direct replacement for the original equipment and is designed to meet the specific requirements of the Corvette's cooling system.

The Eaton CJ 15 fan clutch is a mechanical design that utilizes a weighted fan blade and a clutch assembly to engage the fan when engine coolant temperature reaches a certain threshold. The clutch assembly consists of a series of friction plates and springs that apply pressure to the fan blade, causing it to spin and increase airflow through the radiator.

The fan clutch housing is made of durable cast aluminum, providing excellent heat dissipation and resistance to corrosion. The clutch assembly is designed to provide smooth engagement and disengagement of the fan blade, ensuring quiet operation and minimal wear on other cooling system components.

The Eaton CJ 15 fan clutch is a direct fit for the 1967 Corvette with the 327 block engine, making installation straightforward and hassle-free. It comes complete with all necessary hardware, including bolts and washers, for a successful installation. Additionally, this fan clutch is backed by Eaton's reputation for quality and reliability, ensuring long-lasting performance and peace of mind.

In summary, the Eaton CJ 15 fan clutch, part number GM 3770529, is a high-quality replacement component for the cooling system of a 1967 Chevrolet Corvette with the 327 block engine. It is designed to provide optimal engine cooling performance, quiet operation, and long-lasting durability. With its straightforward installation process and included hardware, this fan clutch is an excellent choice for Corvette enthusiasts seeking to maintain or restore their classic vehicles.

Pros and Cons of Buying a GM 3770529 1967 Corvette 327 Block Fan Clutch by Eaton CJ 15

The GM 3770529 1967 Corvette 327 Block Fan Clutch by Eaton CJ 15 is a popular choice among Corvette enthusiasts for cooling system upgrades. This fan clutch allows the engine fan to operate at lower engine temperatures, reducing the risk of overheating and potential engine damage. In this analysis, we will discuss the pros and cons of buying this fan clutch to help you make an informed decision.

1. Improved Cooling: The fan clutch ensures that the engine fan engages when the engine temperature reaches a certain threshold, allowing for efficient cooling. This is particularly beneficial during heavy-duty driving or in hot weather conditions.

2. Enhanced Performance: The fan clutch helps maintain optimal engine temperature, which can lead to improved performance and fuel efficiency.

3. OEM Quality: This fan clutch is a factory original replacement for 1967 Corvette models, ensuring a perfect fit and reliable operation.

4. Durable Construction: The Eaton CJ 15 fan clutch features a robust design with high-quality materials, making it resilient to wear and tear, and able to withstand the rigors of regular use.

1. Cost: The GM 3770529 1967 Corvette 327 Block Fan Clutch by Eaton CJ 15 is a premium part, and its cost may be a significant consideration for some buyers.

2. Installation Complexity: Installing the fan clutch requires some mechanical knowledge and experience, as well as specific tools. If you are not confident in your abilities, it may be best to seek professional assistance.

3. Potential for Fan Noise: Some users have reported an increase in fan noise after installing the fan clutch. This can be due to the fan engaging more frequently, which may require adjustments or the use of a fan shroud to minimize the noise.

The GM 3770529 1967 Corvette 327 Block Fan Clutch by Eaton CJ 15 offers several advantages, such as improved cooling, enhanced performance, and OEM quality. However, it comes with some drawbacks, including the cost, installation complexity, and potential fan noise. Ultimately, the decision to purchase this fan clutch depends on your budget, technical skills, and priorities. If you value efficient cooling and reliable operation, this fan clutch is an excellent investment. However, if you are on a tight budget or prefer a quieter fan, you may want to consider alternative options.

If you decide to purchase the GM 3770529 1967 Corvette 327 Block Fan Clutch by Eaton CJ 15, make sure to have the necessary tools and mechanical knowledge to install it properly. Additionally, consider purchasing a fan shroud to minimize fan noise and ensure optimal cooling efficiency. By taking these precautions, you'll enjoy the benefits of this premium cooling system upgrade.

Details:

Clutch is dated F 15. Clutch will need to be restored. Very Clean Piece. Used Eaton Fan Clutch for Restoration removed from a 1967 327 300 hp Corvette.

part #: 3770529 prices

• $299.95-$599.00

specifications shroudshell:

• for models: 327, Corvette
• for years: 1967-2015
• brand: Gm
• part type: Fan Block Clutch
• manufacturer part number: 3770529
• material: Steel
• vintage part: Yes

general shroudshell:

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

offer shroudshell:

• sold: 0
• started: January 18, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock

payments shroudshell:

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

seller shroudshell:

• # reviews: 7652
• city: Jonesboro, Arkansas
• rating: 99.6%

shipping shroudshell:

• class: Standard
• transit: 4-8 Days
• type: Calculated
• service: FedEx Ground / FedEx Home Delivery, UPS Ground
• carrier: FedEx, UPS
• cost: $20.74

returns shroudshell:

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

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