DELCO 3831746 Nos United Gear Gm 4SP 2ND Gr. 4.395

( Brand: Delco ), ( Manufacturer Part Number: 3831746 ), ( Type: Gear ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review DELCO Nos United 4sp 2nd Gear Gm Gr. 4.395 New fits CORVETTE IMPALA CHEVELLE

The Delco 3831746 NOs United 4-speed second gear is a high-performance automatic transmission component designed specifically for select General Motors vehicles including the Corvette, Impala, and Chevelle with a 4.395 rear end ratio. This gear is part of the heavy-duty 4-speed transmission system and plays a crucial role in optimizing the power transfer between the engine and the drive wheels.

This gear is meticulously engineered using superior quality materials and advanced manufacturing techniques to ensure durability, reliability, and smooth operation. The gear teeth are precision-cut to exacting specifications to provide optimal mesh engagement, ensuring efficient power transmission and minimizing any unwanted noise or vibration.

The gear is designed to handle the significant forces generated during high-performance driving, making it an ideal choice for those who demand exceptional performance from their vehicles. Its robust construction, featuring strong steel gears and high-strength alloy steel housing, provides superior strength and resistance to wear and tear, enabling the gear to handle even the most demanding driving conditions.

The Delco 3831746 NOs United 4-speed second gear is also designed to be easy to install, saving you time and effort during your vehicle maintenance or upgrade project. It comes with all necessary hardware, ensuring a hassle-free installation process.

In summary, the Delco 3831746 NOs United 4-speed second gear is a premium transmission component that delivers superior performance, reliability, and durability for your Corvette, Impala, or Chevelle with a 4.395 rear end ratio. Whether you're a weekend warrior looking to enhance your vehicle's performance or a professional racer seeking the ultimate competitive edge, this gear is the perfect choice to take your driving experience to the next level.

Pros and Cons of Buying a DELCO 3831746 Second Gear Unit for GM Corvette, Impala, Chevelle, and Gr 4.395 Gear Ratio

The DELCO 3831746 is a second gear unit designed for GM vehicles with a 4.395 gear ratio. This manual transmission gear unit is a popular choice among car enthusiasts due to its high performance capabilities. In this article, we will discuss the pros and cons of buying this gear unit, helping you make an informed decision.

1. High-Performance: The DELCO 3831746 second gear unit is designed for high-performance applications. Its 4.395 gear ratio provides excellent power transfer and acceleration.

2. Durability: DELCO is a reputable brand known for manufacturing robust and long-lasting transmission components. This gear unit is expected to withstand the rigors of high-performance driving.

3. Easy Installation: This gear unit is a direct replacement for the stock unit, making installation relatively straightforward for those with some mechanical knowledge.

4. Cost-Effective: Compared to other aftermarket high-performance gear units, the DELCO 3831746 is relatively affordable.

1. Not Suitable for Stock Engines: This gear unit is designed for high-performance applications, which may not be suitable for stock engines. Installing it on a stock engine may result in excessive wear and tear.

2. Requires Professional Installation: While the installation process is relatively straightforward, it still requires a certain level of mechanical expertise. It's recommended to have a professional install this gear unit to ensure proper fitment and function.

3. Noise: Some users have reported increased noise levels after installing this gear unit. This is due to the closer gear ratio, which results in more engine revs at lower speeds.

4. Potential Shifting Issues: Some users have reported shifting issues after installing this gear unit. This may be due to the closer gear ratio, which can put additional stress on the synchronizers.

The DELCO 3831746 second gear unit is an excellent choice for those seeking high-performance capabilities in their GM Corvette, Impala, Chevelle, or Gr 4.395 gear ratio vehicle. Its durability, ease of installation, and cost-effectiveness make it an attractive option. However, it's important to note that this gear unit is not suitable for stock engines and may require professional installation. Additionally, some users have reported noise and shifting issues, which should be considered before making a purchase.

If you're looking to upgrade the transmission in your high-performance GM vehicle, the DELCO 3831746 second gear unit is an excellent choice. However, it's recommended that you have a professional installation to ensure proper fitment and function. Additionally, ensure that your engine is capable of handling the increased power transfer and acceleration provided by this gear unit.

Details:

Open box never used.

part #: 3831746 prices

• $40.00-$99.99

specifications manutransmission:

• for models: Corvette, Impala, Chevelle
• brand: Delco
• mpn: 3831746
• type: Gear
• vintage part: Yes
• country of origin: United States

payments manutransmission:

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

returns manutransmission:

• policy: No Returns

shipping manutransmission:

• type: Calculated
• service: USPS Ground Advantage
• transit: 3-9 Days
• class: Standard
• carrier: USPS
• cost: $8.85

seller manutransmission:

• city: Ballston Lake, New York
• rating: 100.0%
• # reviews: 827

general manutransmission:

• condition: New
• Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission Parts

offer manutransmission:

• quantity: 1
• sold: 0
• best offers: True
• started: January 13, 2026
• availability: In Stock
• options: Ship-to-home

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