GM 8623918 Nos Seals General TH400

( Brand: Gm ), ( Manufacturer Part Number: 8623918 ), ( Type: Transmission Drivetrain ), ( Surface Finish: Nos ), ( Drive Type: Rwd ), ( Country/region Of Manufacture: United States ), ( Vintage Part: Yes ), ( Universal Fitment: No ), ( Transmission Type: Automatic )

Review GM General Motors Nos Chevy Buick Oldsmobile Pontiac Cadillac Seals fits 1964–1975

Introducing the high-quality Th400 Transmission Seals for 1964-1975 Chevrolet, Buick, Oldsmobile, Pontiac, and Cadillac vehicles. These seals are designed to provide an optimal fit and performance for your Th400 transmission, ensuring a reliable and efficient driving experience.

The Th400 Transmission Seals are engineered using premium materials that deliver exceptional durability and resistance to leaks. These seals are specifically designed to fit the unique contours of the Th400 transmission, ensuring a perfect seal every time.

The set includes all the necessary seals required for a complete Th400 transmission rebuild, including the pan gasket, front seal, rear seal, and input shaft seal. Each seal is precision-machined to ensure a snug fit and reliable seal, preventing any unwanted transmission fluid loss.

The Th400 Transmission Seals are manufactured to meet or exceed OEM specifications, ensuring a direct replacement that will restore your transmission to its original condition. These seals are also compatible with both stock and performance applications, making them an ideal choice for both daily drivers and high-performance vehicles.

Installing these seals is a straightforward process, and they can be installed with common hand tools, making them a cost-effective solution for maintaining the health of your Th400 transmission. Each seal is carefully packaged to ensure they arrive in pristine condition, ready for immediate installation.

Investing in these Th400 Transmission Seals is an investment in the longevity and performance of your vehicle. By preventing transmission fluid loss, these seals help maintain optimal transmission function, reducing the risk of costly repairs and ensuring a smoother, more reliable driving experience.

So, if you're in need of new Th400 Transmission Seals for your 1964-1975 Chevrolet, Buick, Oldsmobile, Pontiac, or Cadillac vehicle, look no further. These premium seals offer the perfect combination of durability, reliability, and ease of installation, making them the smart choice for any Th400 transmission rebuild.

Pros and Cons of Buying Th400 Transmission Seals for 1964-1975 Chevy, Buick, Oldsmobile, Pontiac, and Cadillac Vehicles

The Th400 transmission is a popular automatic transmission used in various General Motors vehicles from 1964 to 1975. Over time, the seals in these transmissions may wear out or leak, necessitating replacement. In this article, we will discuss the pros and cons of buying Th400 transmission seals for these vehicles.

1. Improved Performance: New seals can help improve the overall performance of the transmission by preventing leaks and ensuring proper fluid levels. This can lead to smoother shifts and better acceleration.

2. Cost-Effective: Compared to a complete transmission rebuild or replacement, buying and installing new seals is a more cost-effective solution. It allows vehicle owners to keep their original transmission and save money.

3. Availability: Th400 transmission seals are widely available from various aftermarket suppliers, making it easy for vehicle owners to find the right seals for their specific application.

1. Installation Complexity: Installing the seals in a Th400 transmission can be a complex process, especially for those without experience. It may require the use of specialized tools and a good understanding of the transmission's internal components.

2. Potential for Ongoing Leaks: In some cases, a single leak may not be the only issue. There could be multiple leaks or other issues within the transmission that may require additional repairs or replacement parts.

3. Quality Variations: The aftermarket for Th400 transmission seals can vary in quality. Some seals may not fit properly or may not last as long as original equipment seals. It's essential to research and choose a reputable supplier to ensure the best possible outcome.

Buying Th400 transmission seals for 1964-1975 Chevy, Buick, Oldsmobile, Pontiac, and Cadillac vehicles comes with both advantages and disadvantages. The pros include improved performance, cost-effectiveness, and availability. The cons include installation complexity, potential for ongoing leaks, and quality variations. To make an informed decision, consider the specific needs of your vehicle, your level of experience, and the reputation of the aftermarket supplier.

If you're confident in your ability to install the seals and have found a reputable supplier, buying Th400 transmission seals can be a cost-effective solution to improve your vehicle's performance. However, if you're unsure about the installation process or suspect there may be other issues within the transmission, it might be worth considering a complete rebuild or replacement. Always weigh the pros and cons carefully before making a decision.

Details:

This means if the item is lost or damaged while in transit there no coverage. 1964-1975 Cadillac and Buick ALL model's with TH400. 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 Chevrolet and Pontiac ALL model's with TH400. 1972 1973 1974 1975 Oldsmobile ALL model's with TH375.

If you are out of the country please understand this while buying on item. These are VERY HARD to find in NOS condition so be sure not miss this one. 1965-1975 Oldsmobile ALL model's with TH400 or TH425. This is a new old stock NOS original GM automatic transmission intermediate clutch piston seals correct for the following model's.

part #: 8623918 prices

• $12.99-$17.87

specifications othellodrivetrain:

• for makes: Chevy, Buick, Oldsmobile, Pontiac, Cadillac
• for years: 1964-1975
• brand: Gm
• mpn: 8623918
• type: Transmission Drivetrain
• surface finish: Nos
• drive type: Rwd
• country/region of manufacture: United States
• vintage part: Yes
• universal fitment: No
• transmission type: Automatic

returns othellodrivetrain:

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

payments othellodrivetrain:

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

shipping othellodrivetrain:

• transit: 5-10 Days
• carrier: USPS
• type: Fixed
• cost: $5.50
• class: Standard
• service: USPS First Class

seller othellodrivetrain:

• rating: 100.0%
• city: Cosby, Tennessee
• # reviews: 33221

offer othellodrivetrain:

• best offers: True
• quantity: 2
• started: June 18, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0

general othellodrivetrain:

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

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