SX-JMY6 NATIONAL Transmission Shaft Seal International Dg

Review NATIONAL Transmission Output Shaft Seal For International Dg

Introducing the National SX-JMY6 transmission shaft seal, a high-quality replacement part designed specifically for 1957 to 1965 International Harvester AM120 DG trucks. This seal is an essential component of your vehicle's transmission system, responsible for preventing the leakage of transmission fluid and ensuring the efficient operation of your vehicle.

The National SX-JMY6 transmission shaft seal is manufactured using advanced materials that provide superior sealing capabilities and durability. It is made from a specially formulated elastomer compound that offers excellent resistance to wear, tear, and the harmful effects of transmission fluid. This ensures a long-lasting seal that can withstand the rigors of heavy-duty use.

The seal features a precise fit and dimensions to match the original equipment, ensuring a seamless installation process. The design is also compatible with the specific transmission shaft in your International Harvester AM120 DG, ensuring optimal performance and functionality.

Installation of the National SX-JMY6 transmission shaft seal is straightforward and can be completed by most DIY enthusiasts. However, if you prefer, you can also have it installed by a professional mechanic. The process involves removing the old seal, cleaning the area, and installing the new seal in its place.

By choosing the National SX-JMY6 transmission shaft seal for your 1957 to 1965 International Harvester AM120 DG, you can enjoy the peace of mind that comes with knowing your vehicle's transmission system is protected from leaks and potential damage. This seal is an affordable and effective solution for maintaining the longevity and performance of your vehicle.

In summary, the National SX-JMY6 transmission shaft seal is a high-quality replacement part designed for 1957 to 1965 International Harvester AM120 DG trucks. It is manufactured from advanced materials that offer superior sealing capabilities and durability, ensuring a long-lasting and effective solution for preventing transmission fluid leaks. The installation process is straightforward, making it an affordable and convenient option for maintaining the performance and longevity of your vehicle.

Buying a National SX-JMY6 transmission shaft seal for a 1957-1965 International Harvester AM120 DG can be a crucial decision for vehicle owners who want to ensure the proper functioning of their transmission system. Let's examine the potential advantages and disadvantages of purchasing this part.

1. OEM Quality: The National SX-JMY6 transmission shaft seal is an Original Equipment Manufacturer (OEM) part. This means it is designed and manufactured by the same company that originally produced the part for the vehicle. Using an OEM part can provide peace of mind, as it is specifically engineered to fit and function optimally in the vehicle.

2. Proper Fitment: Since this seal is designed specifically for the 1957-1965 International Harvester AM120 DG, it is likely to provide a precise fit. Proper fitment can lead to better performance and fewer potential issues down the line.

3. Durability: OEM parts are typically known for their durability. A National SX-JMY6 transmission shaft seal is likely to last longer than aftermarket alternatives, which can save vehicle owners time and money in the long run.

1. Cost: OEM parts, including the National SX-JMY6 transmission shaft seal, can be more expensive than aftermarket alternatives. The higher cost may deter some vehicle owners from making the purchase.

2. Availability: Depending on the specific model and year of the International Harvester AM120 DG, it may be challenging to find a National SX-JMY6 transmission shaft seal locally or through traditional auto parts suppliers. This could result in additional shipping costs or a longer wait time for the part.

3. Installation: Replacing a transmission shaft seal can be a challenging and time-consuming process. Vehicle owners may need to invest in specialized tools or seek professional assistance to complete the installation.

In conclusion, purchasing a National SX-JMY6 transmission shaft seal for a 1957-1965 International Harvester AM120 DG comes with both advantages and disadvantages. The advantages include OEM quality, proper fitment, and durability. However, the disadvantages include cost, availability, and installation challenges.

If the vehicle is essential for daily use, or if the current transmission shaft seal is causing significant issues, it may be worth investing in a National SX-JMY6 transmission shaft seal for the peace of mind and optimal performance it offers. However, if budget is a concern, or if the vehicle is no longer in regular use, an aftermarket alternative may be a more cost-effective solution. Ultimately, the decision to purchase an OEM transmission shaft seal depends on the specific needs and priorities of the vehicle owner.

Details:

specifications differentialsdepo:

• for years: 1957–1965
• brand: National
• mpn: Sx-jmy6
• placement on vehicle: Transmission Gaskets Sealing Systems
• type: Manual Transmission Output Shaft Seal
• item length: 3.250
• manufacturer warranty: 1 Year
• ipn: C597 31-29
• compatible make: International
• compatible model: Am120
• compatible year: 1965 1964 1963 1962 1961 1960 1959 1958 1957
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine National Manual Transmission Output Shaft Seal

general differentialsdepo:

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

payments differentialsdepo:

• other
• credit card: mastercard
• wallet: apple-pay

returns differentialsdepo:

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

seller differentialsdepo:

• # reviews: 598462
• city: indianapolis, indiana
• rating: 99.2%

offer differentialsdepo:

• availability: in stock
• in stock #: 1
• sold #: 12
• options: ship-to-home
• started: november 28, 2025
• price: $18.94
• item condition: New

shipping differentialsdepo:

• service: standard, expedited
• transit: 5-8 days
• class: standard, expedited
• type: fixed