GM 591087 Nos Transmission Synchronizer Ring 3-SPEED

( Brand: Gm ), ( Manufacturer Part Number: 591087 ), ( Type: Chevy Synchronizing ), ( Oe/oem Part Number: 1941 1942 1946 1947 1948 1949 1950 1951 1952 )

Review GM New Nos 3-speed Transmission Synchronizer Ring Chevrolet fits 1940–1953

Introducing the GM 591087 NOS (New Old Stock) 3-speed transmission synchronizer ring, specifically designed for Chevrolet vehicles manufactured between 1940 and 1953. This crucial automotive component is essential for ensuring smooth and synchronized shifting between gears in your classic Chevrolet transmission.

The synchronizer ring is a key part of the transmission's synchronizer assembly. Its primary function is to facilitate the synchronization of engine and transmission speeds during gear shifts. By reducing friction and engaging the gears at the correct time, this component helps prevent harsh shifts and wear on other transmission parts.

This GM 591087 NOS synchronizer ring is meticulously crafted from high-quality steel material, ensuring both durability and reliable performance. The surface of the ring features fine, precision-machined teeth designed to perfectly mesh with the corresponding gears. These teeth are carefully hardened to provide optimal strength and resistance to wear.

The ring's diameter measures approximately 2.25 inches (57.15 mm), and it is designed to fit snugly within the transmission's synchronizer assembly. The ring's thickness and other dimensions may vary slightly depending on the specific Chevrolet model and transmission year. It is always recommended to double-check the compatibility of this part with your vehicle before installation.

This NOS synchronizer ring is an excellent choice for classic Chevrolet owners seeking an authentic, high-quality replacement part for their vintage vehicles. By installing this new synchronizer ring, you can restore your transmission to its original smooth and efficient operation, ensuring a more enjoyable driving experience.

Please note that installation of this part requires professional skills and experience. If you are not confident in your ability to perform the installation yourself, it is recommended that you consult a qualified transmission specialist or mechanic for assistance.

Buying a GM 591087 Nos 3-Speed Transmission Synchronizer Ring for 1940-1953 Chevrolets: Pros, Cons, and Recommendation

The GM 591087 Nos 3-Speed Transmission Synchronizer Ring is a crucial component for the transmission system in certain models of Chevrolet cars manufactured between 1940 and 1953. In this article, we will discuss the pros and cons of purchasing this part as a replacement or restoration option.

1. Authenticity: A new-old-stock (NOS) part, such as the GM 591087, ensures authenticity and originality. This can be a significant advantage for collectors and those restoring vintage vehicles.

2. Quality: NOS parts are often of higher quality due to their extended storage and lack of use, as opposed to rebuilt or used parts.

3. Performance: Using a new synchronizer ring can lead to improved transmission performance and smoother shifts.

4. Durability: NOS parts are generally more durable compared to rebuilt or used parts, providing long-lasting reliability.

5. Availability: While availability may vary depending on the specific part and the market, NOS parts can sometimes be easier to find than other options.

1. Cost: New-old-stock parts, like the GM 591087, can be more expensive than rebuilt or used parts.

2. Limited availability: Due to their scarcity, NOS parts may not always be readily available for every application.

3. Shipping and handling: Given the delicate nature and often large size of NOS parts, shipping and handling costs can be higher than for other types of parts.

4. Potential compatibility issues: While the GM 591087 is designed for specific Chevrolet models, there is still a chance that compatibility issues may arise during installation.

When considering the purchase of a GM 591087 Nos 3-Speed Transmission Synchronizer Ring for a 1940-1953 Chevrolet, it's essential to weigh the pros and cons carefully. For those looking for authenticity, improved performance, and long-lasting reliability, the investment in a new-old-stock part may be worthwhile. However, for those on a budget or with availability concerns, rebuilt or used parts may be a more practical alternative. Ultimately, the decision depends on the specific needs, goals, and resources of the project.

If you're restoring a vintage Chevrolet and authenticity is a priority, or if you want to ensure the best possible performance and reliability from your transmission, the GM 591087 Nos 3-Speed Transmission Synchronizer Ring is a recommended option. However, if budget is a concern or if availability is an issue, consider researching and comparing the costs and availability of rebuilt or used synchronizer rings to find the best solution for your project.

Details:

See pics for condition. New NOS GM synchronizer ring, part number 591087. Part is dusty/dirty and shows some patina from handling sitting on the shelf. Please verify part number and pics match your application.

Has some light surface rust.

part #: 591087 prices

• $10.95-$25.00

specifications manutransmission:

• for makes: Chevrolet
• for years: 1940-1953
• brand: Gm
• mpn: 591087
• type: Chevy Synchronizing
• oe/oem part number: 1941 1942 1946 1947 1948 1949 1950 1951 1952

shipping manutransmission:

• service: USPS Ground Advantage
• transit: 4-10 Days
• class: Standard
• cost: $0.00
• carrier: USPS
• type: Calculated

payments manutransmission:

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

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

seller manutransmission:

• city: Sheboygan Falls, Wisconsin
• rating: 100.0%
• # reviews: 31582

offer manutransmission:

• quantity: 1
• started: October 18, 2025
• availability: In Stock
• best offers: True
• options: Ship-to-home
• sold: 0

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