4E12D NATIONAL Transmission Shaft Seal Manual Qm Studebaker

Review NATIONAL 52-14 Transmission Output Shaft Seal For Studebaker Manual Qm for STUDEBAKER 1959

The National C389 52-14 transmission shaft seal is a crucial component for the 1959 Studebaker 4E12D manual transmission system. This seal plays a vital role in preventing transmission fluid from leaking out and maintaining the overall performance and efficiency of your vehicle's powertrain.

The C389 52-14 transmission shaft seal is specifically designed for Studebaker vehicles, ensuring a perfect fit and reliable sealing function. It is manufactured from high-quality materials, including a durable rubber compound that is resistant to both heat and pressure. The seal features an intricately designed profile to accommodate the contours of the transmission shaft and housing, providing a snug and leak-free fit.

The seal comes in a set, including both the primary and secondary seals, making it a complete solution for your transmission sealing needs. The primary seal, also known as the lip seal, is located at the front of the seal and creates a positive seal when the transmission shaft is in the engaged position. The secondary seal, also known as the labyrinth seal, is located at the rear of the seal and prevents fluid from leaking when the shaft is in the disengaged position.

Both seals are engineered to provide an excellent seal, ensuring that your transmission system functions optimally and efficiently. The seals are also designed to withstand the rigors of regular driving, providing long-lasting performance and reliability.

Installing the National C389 52-14 transmission shaft seal is a straightforward process, with clear instructions provided in the package. However, if you are not confident in your ability to perform the installation yourself, it is recommended that you consult a professional mechanic to ensure that the job is done correctly.

In summary, the National C389 52-14 transmission shaft seal for the 1959 Studebaker 4E12D manual transmission is an essential component for maintaining the performance and efficiency of your vehicle's powertrain. Manufactured from high-quality materials and designed to provide a perfect fit, this seal is an excellent investment for any Studebaker owner.

Pros and Cons of Buying a National C389 52-14 Transmission Shaft Seal for a 1959 Studebaker 4E12D Manual QM

The National C389 52-14 Transmission Shaft Seal is a crucial part for the manual transmission of a 1959 Studebaker 4E12D QM. This component is responsible for preventing transmission fluid from leaking out. In this article, we will discuss the advantages and disadvantages of purchasing this specific transmission shaft seal.

1. OEM (Original Equipment Manufacturer) Replacement: This seal is manufactured by National, a well-known automotive parts supplier, ensuring a perfect fit and function for your Studebaker.

2. Reliability: The OEM seal design guarantees long-lasting performance, reducing the need for frequent replacements.

3. Availability: National is a reputable and widely distributed parts supplier, making it easier to find and purchase this specific seal.

4. Cost-effective: Replacing a faulty seal with a new one can save you money in the long run by avoiding potential engine damage from leaking transmission fluid.

1. Price: The National C389 52-14 Transmission Shaft Seal may be more expensive compared to aftermarket alternatives.

2. Installation complexity: Installing a transmission shaft seal can be a challenging process, especially for those without experience in automotive repairs.

3. Delayed delivery: Depending on your location and the availability of the seal in local stores, you may experience a delay in receiving the part.

The National C389 52-14 Transmission Shaft Seal is a reliable and cost-effective solution for repairing a leaking transmission in a 1959 Studebaker 4E12D QM. Although it may come with a higher price tag and installation complexity, the benefits of using an OEM seal, such as long-lasting performance and perfect fit, outweigh the potential drawbacks.

If you are in need of a new transmission shaft seal for your 1959 Studebaker 4E12D QM, we recommend purchasing the National C389 52-14 Transmission Shaft Seal. Although it may require professional installation, the peace of mind that comes with using an OEM part is well worth the investment. If you are unsure about the installation process, consult a professional mechanic for assistance.

Details:

National transmission output shaft seal for 1959 Studebaker 4E12D manual qm: status: in stock.

specifications differentialsdepo:

• for makes: Studebaker
• for years: 1959
• brand: National
• placement on vehicle: Transmission Gaskets Sealing Systems
• type: Manual Transmission Output Shaft Seal
• item length: 3.250
• manufacturer warranty: 1 Year
• ipn: C389 52-14
• compatible model: 4e12d
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine National Manual Transmission Output Shaft Seal

payments differentialsdepo:

• other
• wallet: paypal
• credit card: diners-club

seller differentialsdepo:

• rating: 99.1%
• city: indianapolis, indiana
• # reviews: 586488

offer differentialsdepo:

• prices: $11.85–$27.59
• item condition: New
• sold #: 16
• options: ship-to-home
• in stock #: 5
• availability: in stock
• started: october 30, 2025

returns differentialsdepo:

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

shipping differentialsdepo:

• service: standard, expedited
• transit: 2-5 days
• class: standard, expedited
• type: fixed

general differentialsdepo:

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