GM 3845054 Nos Transmission Second Gear 3-SPEED 2ND

( Brand: Gm ), ( Manufacturer Part Number: 3845054 ), ( Type: Chevy ), ( Oe/oem Part Number: 1956 1957 1958 1959 1960 1961 1962 ), ( Country Of Origin: United States )

Review GM New Nos 3-speed Transmission 2nd Second Gear Chevrolet fits 1955–1963

The GM 3845054 NOS (New Old Stock) 3-speed transmission is a classic automotive component that was originally designed for use in Chevrolet vehicles from 1955 to 1963. This transmission is a second gear unit, making it an essential part of the powertrain for those looking to restore or build a vintage Chevrolet with a manual transmission.

The GM 3845054 transmission features a robust design with heavy-duty synchronizers that ensure smooth and efficient gear changes. The unit is built with high-quality materials, including forged steel gears and precision machined components, ensuring durability and reliability. The third gear ratio is well-suited for cruising at highway speeds, while the second gear provides the power and torque needed for acceleration and climbing hills.

This transmission is a direct replacement for original units and comes in its original factory packaging, ensuring authenticity and preserving the value of your restoration project. It is important to note that this transmission is sold as a used part in New Old Stock condition. While it may have some cosmetic wear, it is fully functional and has been inspected to ensure it meets the highest standards of quality.

Installing this transmission in your Chevrolet vehicle requires some mechanical knowledge and skill. It is recommended that you consult the vehicle's service manual or a qualified mechanic to ensure a successful installation. Additionally, it is important to use the correct clutch assembly and flywheel for your specific application to ensure proper operation and longevity of the transmission.

In summary, the GM 3845054 NOS 3-speed transmission is an essential component for any Chevrolet restoration project from the 1955 to 1963 era. Its robust design, smooth gear changes, and authenticity make it an excellent investment for those seeking to restore the power and performance of their vintage Chevrolet. With proper installation and maintenance, this transmission is sure to provide many miles of enjoyment for years to come.

Buying a GM 3845054 3-speed transmission for a Chevrolet model from the years 1955 to 1963 involves considering several factors to determine if it's a worthwhile investment. Here are some pros and cons to help make an informed decision:

1. Authenticity: This transmission is an original part for Chevrolet vehicles from that era. Using an original part can help maintain or even increase the value of a classic car and ensure proper fitment.

2. Durability: These transmissions were built to last. They were designed for heavy-duty use and have a solid reputation for reliability.

3. Availability: These transmissions are relatively easy to find on the aftermarket. They are commonly available from various sources, including salvage yards, online marketplaces, and rebuilders.

1. Cost: Original transmissions can be more expensive than rebuilt or used transmissions from other sources. The cost can vary significantly depending on the condition and availability.

2. Condition: When purchasing an original transmission, it's essential to ensure that it is in good working condition. A worn-out or damaged transmission may require costly repairs or even replacement.

3. Compatibility: While these transmissions are designed for Chevrolet vehicles, it's essential to ensure that the specific model and year match. Using the wrong transmission can lead to various issues and even damage the vehicle.

Purchasing an original GM 3845054 3-speed transmission for a Chevrolet model from the years 1955 to 1963 can be a worthwhile investment for those seeking authenticity and reliability. However, it's crucial to ensure that the transmission is in good working condition and compatible with the specific model and year. Additionally, be prepared for the potential higher cost compared to rebuilt or used transmissions from other sources.

If you are committed to using an original transmission for your classic Chevrolet vehicle, I would recommend doing thorough research to ensure that you are getting a good deal from a reputable seller. Additionally, consider having the transmission inspected by a professional before installation to avoid potential issues. If budget is a concern, exploring rebuilt or used transmissions from reliable sources could be a more cost-effective alternative.

Details:

Has some surface rust from sitting. See pics for condition. Part is dusty/dirty and shows some patina from handling sitting on the shelf. New NOS GM gear, part number 3845054.

Please verify part number and pics match your application.

part #: 3845054 prices

• $37.99-$39.95

specifications manutransmission:

• for makes: Chevrolet
• for years: 1955-1963
• brand: Gm
• mpn: 3845054
• type: Chevy
• oe/oem part number: 1956 1957 1958 1959 1960 1961 1962
• country of origin: United States

payments manutransmission:

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

offer manutransmission:

• started: March 3, 2026
• best offers: True
• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home

seller manutransmission:

• rating: 100.0%
• # reviews: 33462
• city: Sheboygan Falls, Wisconsin

shipping manutransmission:

• class: Standard
• cost: $0.00
• transit: 3-7 Days
• carrier: USPS
• service: USPS Ground Advantage
• type: Calculated

general manutransmission:

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

returns manutransmission:

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

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