SX-7FSX NATIONAL Transmission Shaft Seal International S120

Review NATIONAL Transmission Input Shaft Seal For International Fc for S120 1956–1957

Introducing the National SX-7FSX Transmission Shaft Seal, specifically designed for use in 1956 and 1957 International S120 FC models. This premium seal is engineered to provide superior sealing performance and durability, ensuring the efficient operation of your vehicle's transmission system.

The SX-7FSX Transmission Shaft Seal is made from high-quality materials that offer excellent resistance to wear, tear, and the damaging effects of transmission fluid. Its unique design features a double-lip seal that creates a tight seal around the transmission shaft, preventing the leakage of fluid and the intrusion of contaminants.

This seal is easy to install, with a straightforward replacement process that requires no special tools or extensive mechanical knowledge. It comes packaged in a protective seal to ensure it arrives at your doorstep in pristine condition.

The National SX-7FSX Transmission Shaft Seal is manufactured to meet or exceed the OEM specifications of your International S120 FC, ensuring a perfect fit and reliable performance. By investing in this premium seal, you'll not only save yourself the hassle and cost of frequent repairs but also enjoy the peace of mind that comes with knowing your vehicle's transmission system is properly sealed and protected.

In summary, the National SX-7FSX Transmission Shaft Seal is a high-performance and durable solution for sealing the transmission shaft on 1956 and 1957 International S120 FC models. Its advanced design, easy installation process, and commitment to meeting OEM specifications make it an excellent choice for vehicle owners seeking to maintain the optimal performance and longevity of their transmission system.

Pros and Cons of Buying a National SX-7FSX Transmission Shaft Seal for 1956-1957 International S120 FC

a. Designed specifically for 1956-1957 International S120 FC models, ensuring a perfect fit.

b. Manufactured by National Sealing, a reputable and trusted brand in the automotive industry.

c. Helps prevent transmission fluid leakage, which can save maintenance costs and prevent further damage to the transmission system.

d. Easy to install, typically taking less than an hour for a competent mechanic or a DIY enthusiast.

a. The cost of the seal may be higher than some aftermarket alternatives, but the brand reputation and perfect fit may justify the expense for many.

b. In rare cases, the seal might not last as long as expected due to the age and condition of the vehicle or the quality of the transmission fluid.

The decision to buy a National SX-7FSX Transmission Shaft Seal for your 1956-1957 International S120 FC depends on your priorities as a vehicle owner. If you value a reliable, perfect fit, and the peace of mind that comes with a trusted brand, then this seal is an excellent choice. However, if you're looking for the most cost-effective solution, you might want to explore aftermarket alternatives.

If you prioritize a reliable and perfect fit, and you're willing to pay a premium for the peace of mind that comes with a trusted brand, then we recommend purchasing the National SX-7FSX Transmission Shaft Seal for your 1956-1957 International S120 FC. If you're more budget-conscious, you might want to consider aftermarket alternatives, but be prepared for the possibility of a less than perfect fit or shorter seal lifespan.

Details:

specifications differentialsdepo:

• for models: S120
• for years: 1956–1957
• brand: National
• mpn: Sx-7fsx
• placement on vehicle: Transmission Gaskets Sealing Systems
• type: Manual Transmission Input Shaft Seal
• item length: 3.250
• manufacturer warranty: 1 Year
• ipn: C805 5-37
• compatible make: International
• compatible year: 1957 1956
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine National Manual Transmission Input Shaft Seal

returns differentialsdepo:

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

seller differentialsdepo:

• # reviews: 562925
• city: indianapolis, indiana
• rating: 98.7%

general differentialsdepo:

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

shipping differentialsdepo:

• class: standard, expedited
• transit: 3-5 days
• type: fixed
• service: standard, expedited

offer differentialsdepo:

• sold #: 15
• options: ship-to-home
• in stock #: 1
• price: $18.35
• item condition: New
• availability: in stock
• started: august 15, 2025

payments differentialsdepo:

• other
• wallet: apple-pay
• credit card: diners-club