BORGWARNER WT266-11A Gear Od Transmission 2ND 3745937

( Brand: Borgwarner ), ( Manufacturer Part Number: WT266-11A ), ( Replaces Original Oem Part Number: 3745937 ), ( Type: 2nd Gear ), ( Items Included: One Cluster Gear ), ( Teeth: 27t ), ( Vintage Part: Yes ), ( Country/region Of Manufacture: United States )

Review BORGWARNER New 2nd Gear Chevrolet Speed And Od Transmission fits 1958-63

The BorgWarner WT266-11A is a second gear assembly specifically designed for Chevrolet OD (Overdrive) transmissions manufactured between 1958 and 1963. This component is an essential part of the powertrain system, contributing to the smooth and efficient operation of your classic vehicle.

The WT266-11A is a compact, yet robust assembly, engineered to handle the demands of vintage automobiles. It is constructed from high-quality materials, ensuring durability and longevity. The gears in this assembly are precision-machined to tight tolerances, ensuring optimal mesh and smooth engagement.

This assembly features a unique two-piece design, which facilitates easy removal and installation. The outer gear shell is secured by a single nut, making it simple to access and replace the inner gears. The inner gears are held in place by a retainer ring, which can be easily removed without disturbing the surrounding components.

The WT266-11A is engineered to work seamlessly with other components in the Chevrolet OD transmission, such as the input and output shafts, synchros, and clutch packs. It is important to note that this assembly is a matched set and should be installed as a pair, along with the corresponding third gear assembly (WT266-12A).

When it comes to maintenance and repair, the BorgWarner WT266-11A is an excellent choice for classic Chevrolet owners. Its high-quality construction and precise engineering ensure reliable performance, minimizing the need for frequent repairs. Additionally, its easy-to-access design simplifies the process of servicing the transmission, saving you time and money in the long run.

In summary, the BorgWarner WT266-11A is a high-performance, durable second gear assembly designed for Chevrolet OD transmissions manufactured between 1958 and 1963. Its precision engineering, robust construction, and easy-to-access design make it an excellent choice for classic vehicle enthusiasts seeking reliable and efficient powertrain performance.

The Borg Warner T-10 2nd gear WT266-11A transmission is a popular choice for those restoring or working on 1958-1963 Chevrolet trucks and cars. This transmission is widely used due to its durability and ease of use. However, like any mechanical component, it comes with its advantages and disadvantages.

1. Widely available: The Borg Warner T-10 transmission is a common transmission for classic Chevrolets, making it easily available from various sources like rebuilders, salvage yards, and online marketplaces.

2. Robust design: The T-10 transmission is known for its robust design and simplicity. Its heavy-duty construction makes it suitable for heavy-duty applications, making it a preferred choice for classic trucks.

3. Easy to rebuild: The T-10 transmission is relatively easy to rebuild, making it an attractive option for DIY enthusiasts who prefer to work on their vehicles.

4. Wide range of applications: The T-10 transmission is not limited to Chevrolet vehicles alone. It can be used in various makes and models, offering flexibility for those with different vehicle types.

1. Limited overdrive: The T-10 transmission does not come with an overdrive option, making it less fuel-efficient compared to modern automatic transmissions.

2. Manual transmission: The manual transmission nature of the T-10 can be a disadvantage for those who prefer the ease of an automatic transmission.

3. Requires regular maintenance: The transmission requires regular maintenance and upkeep to ensure optimal performance. Failure to maintain it can lead to issues like synchro wear and clutch slippage.

The Borg Warner T-10 WT266-11A transmission is a reliable and robust choice for those working on 1958-1963 Chevrolet vehicles. Its availability, simplicity, and durability make it a popular option among enthusiasts. However, its lack of overdrive and the need for regular maintenance are disadvantages that must be considered before making a purchase.

The Borg Warner T-10 WT266-11A transmission is recommended for those seeking a durable and easily available transmission option for their 1958-1963 Chevrolet vehicles. Those who prioritize fuel efficiency or ease of use may want to explore other transmission options. For those who prefer a DIY approach, the T-10's ease of rebuild is a significant advantage.

Details:

Price includes free delivery to any commercial address in the continental USA. Tooth count is 27T. The gear is a Borg Warner part number WT266-11A. INVENTORY REDUCTION SALE!, Transmission Exchange Co.

Chevrolet OEM part number 3745937. Note: listing is for the gear, not car in last photo.

specifications manutransmission:

• for makes: Chevrolet
• for years: 1958-63
• brand: Borgwarner
• mpn: Wt266-11a
• replaces original oem part number: 3745937
• type: 2nd Gear
• items included: One Cluster Gear
• teeth: 27t
• vintage part: Yes
• country/region of manufacture: United States

general manutransmission:

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

shipping manutransmission:

• class: Economy
• service: UPS Ground Saver
• carrier: UPS
• transit: 5-12 Days
• type: Calculated
• cost: $0.00

payments manutransmission:

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

seller manutransmission:

• city: Portland, Oregon
• # reviews: 173
• rating: 100.0%

returns manutransmission:

• policy: No Returns

offer manutransmission:

• availability: In Stock
• sold: 0
• best offers: True
• started: July 5, 2025
• options: Ship-to-home

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