C217 NATIONAL Transmission Shaft Seal Manual Qm B300 Dodge

Review NATIONAL 69-12 Transmission Input Shaft Seal For Dodge Manual Qm for DODGE B300 1975–1980

Introducing the National C217 69-12 transmission shaft seal for 1975-1980 Dodge B300 manual QM, a crucial component that ensures a proper seal between the transmission shaft and the housing to prevent transmission fluid leakage. This seal is specifically designed to fit the manual transmission systems of the mentioned Dodge B300 models during the mentioned years.

The C217 69-12 transmission shaft seal is made from a high-quality elastomeric material, which provides excellent sealing properties against transmission fluid and dirt. Its cross-sectional design features an inner diameter that fits snugly against the transmission shaft and an outer diameter that seals against the housing. The seal also includes a lip or bead on the outer edge, which creates a positive seal when installed correctly.

The National C217 69-12 transmission shaft seal is easy to install, requiring no special tools or mechanical expertise. However, it's essential to follow the proper installation procedures to ensure a secure and effective seal. The seal should be installed when the transmission is cold, and it's recommended to use a seal installation tool or a hammer and a block of wood to gently press the seal into place.

This transmission shaft seal is a vital maintenance item for any Dodge B300 owner, as a worn or leaking seal can result in significant transmission fluid loss, which can lead to costly repairs or even engine damage. By replacing this seal with a new one, you can prevent transmission fluid leakage and ensure that your vehicle operates efficiently and effectively.

In summary, the National C217 69-12 transmission shaft seal for 1975-1980 Dodge B300 manual QM is a high-quality, elastomeric seal designed to prevent transmission fluid leakage by creating a positive seal between the transmission shaft and the housing. It's easy to install, and its proper installation can save you from costly repairs or engine damage.

Pros and Cons of Buying a National C217 69-12 Transmission Shaft Seal for a 1975-1980 Dodge B300 Manual QM

a. Leak Prevention: The main advantage of buying a new transmission shaft seal is to prevent or stop transmission leaks, ensuring proper function and longevity of the transmission system.

b. Availability: National brand seals like C217 are widely available at various auto parts stores and online marketplaces, making it relatively easy to find and purchase.

c. OEM Quality: A new seal from a reputable manufacturer, such as National, can ensure OEM (Original Equipment Manufacturer) quality, providing a good fit and durability.

a. Cost: Replacing a transmission shaft seal can be an expensive repair, especially considering the labor costs involved. In some cases, the cost of the seal alone may be significant.

b. Installation Complexity: The process of removing the old seal and installing a new one can be time-consuming and complex, potentially requiring specialized tools and expertise.

c. Potential for Additional Damage: If the seal is not installed correctly, it could lead to further damage to the transmission system or other components.

Buying a National C217 69-12 Transmission Shaft Seal for a 1975-1980 Dodge B300 Manual QM can offer benefits such as leak prevention and OEM quality, but it comes with drawbacks such as cost and installation complexity. It is essential to weigh these factors carefully and consider seeking professional help for installation to minimize the risk of additional damage and ensure a successful repair.

If you are experiencing transmission leaks and are confident in your mechanical abilities, you may consider buying and installing the National C217 69-12 Transmission Shaft Seal as a DIY project. However, if you lack experience or confidence, it is advisable to consult a professional mechanic to ensure the repair is done correctly and minimize the risk of further damage.

Details:

National transmission input shaft seal for 1975 1980 Dodge B300 manual qm: status: in stock.

specifications differentialsdepo:

• for models: B300
• for makes: Dodge
• for years: 1975–1980
• brand: National
• mpn: 1980
• placement on vehicle: Transmission Gaskets Sealing Systems
• type: Manual Transmission Input Shaft Seal
• item length: 2.000
• manufacturer warranty: 1 Year
• ipn: C217 69-12
• compatible year: 1980 1979 1978 1977 1976 1975
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine National Manual Transmission Input Shaft Seal

offer differentialsdepo:

• prices: $7.37–$18.71
• item condition: New
• sold #: 11
• availability: in stock
• in stock #: 5
• options: ship-to-home
• started: march 29, 2026

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Additional

returns differentialsdepo:

• time: 30 days
• policy: returns accepted
• paid by: seller

seller differentialsdepo:

• # reviews: 638711
• rating: 99.6%
• city: indianapolis, indiana

payments differentialsdepo:

• credit card: discover
• other
• wallet: google-pay

shipping differentialsdepo:

• transit: 3-6 days
• service: standard, expedited
• type: fixed
• class: standard, expedited