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  3. NATIONAL SX-4NFN

NATIONAL SX-4NFN Transfer Shaft Seals International Io

fits year: 1963–1964.

Sx-4nfn National 2 Pc Transfer Case Shift Shaft Seals For 1963-1964 International Io

( Brand: National ), ( Manufacturer Part Number: SX-4NFN ), ( Type: Transfer Case Shift Shaft Seal ), ( Ipn: C531 21-19 ), ( Item Length: 2.000 ), ( Manufacturer Warranty: 1 Year ), ( Placement On Vehicle: Transfer Case Gaskets Sealing Systems ), ( Compatible Make: International ), ( Compatible Model: C1200 ), ( Compatible Year: 1964 1963 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 2 Pc Genuine National Transfer Case Shift Shaft Seal Kit )

Review NATIONAL Pc Transfer Case Shift Shaft Seals For International Io fits 1963–1964

Introducing the National SX-4 NFN Transfer Shaft Seals, expertly engineered to provide an optimal seal for your 1963-1964 International Harvester Scout 80 and 110 models. These transfer shaft seals are designed to replace the original seals, ensuring a reliable and efficient performance from your vehicle's powertrain.

Crafted from high-quality materials, these seals deliver enhanced durability and resistance to wear and tear. The outer seal is made of a robust, flexible rubber compound, enabling it to adapt to various shaft movements and maintain a tight seal against potential leaks. The inner seal, on the other hand, is precision-molded from a specially formulated material that offers superior sealing properties and resistance to the harsh conditions found in transfer cases.

The National SX-4 NFN Transfer Shaft Seals come as a complete set, including both the right and left seals, ensuring a perfect fit and seamless installation for your International Harvester Scout. The installation process is straightforward and can be accomplished with basic hand tools, making it a convenient and cost-effective solution for keeping your vehicle in top shape.

By upgrading your transfer shaft seals with these National SX-4 NFN options, you can enjoy improved power transmission, reduced fluid loss, and enhanced protection against contaminants. These seals are an essential component in maintaining the overall performance and longevity of your International Harvester Scout's powertrain, making them an invaluable investment for any enthusiast or daily driver. Upgrade your vehicle today with the National SX-4 NFN Transfer Shaft Seals and experience the difference in dependable performance.

National SX-4 NFN transfer shaft seals for 1963-1964 International IH tractors are essential components that prevent hydraulic fluid leakage from the transfer case. The seals ensure the efficient transfer of power from the transmission to the rear axle. In this discussion, we will weigh the pros and cons of buying these seals to help you make an informed decision.

Pros:

1. Enhanced Performance: New seals will help eliminate leaks, improve hydraulic system efficiency, and enhance the overall performance of your tractor.

2. Reliability: Replacing worn-out seals with new ones will ensure the reliability of your tractor's hydraulic system, reducing the chances of unexpected repairs and downtime.

3. Cost-Effective: While the upfront cost of purchasing new seals may seem high, the potential savings from avoiding costly repairs and the prolonged life of your tractor make it a cost-effective investment.

4. Availability: National SX-4 NFN transfer shaft seals are readily available from various tractor parts suppliers, ensuring that you can easily find and purchase them when needed.

Cons:

1. Upfront Cost: The cost of purchasing new transfer shaft seals can be a significant investment. However, considering the potential savings from avoiding costly repairs and the prolonged life of your tractor, this investment can be worthwhile.

2. Installation Complexity: Installing transfer shaft seals can be a complex process that may require specialized tools and skills. It is recommended that you have this work done by a professional to ensure proper installation and prevent any potential damage to your tractor.

In conclusion, the decision to buy National SX-4 NFN transfer shaft seals for your 1963-1964 International IH tractor depends on several factors. While the upfront cost may be a concern, the potential savings from avoiding costly repairs and the prolonged life of your tractor make it a worthwhile investment. Additionally, the availability of these seals and the enhanced performance and reliability they provide are significant benefits. Ultimately, it is recommended that you consult with a professional mechanic to determine if replacing your transfer shaft seals is the right choice for your specific situation.

Details:

part #: sx4nfn prices

  • $15.27-$18.45

specifications manutransmission:

  • for years: 1963-1964
  • brand: National
  • mpn: Sx-4nfn
  • type: Transfer Case Shift Shaft Seal
  • ipn: C531 21-19
  • item length: 2.000
  • manufacturer warranty: 1 Year
  • placement on vehicle: Transfer Case Gaskets Sealing Systems
  • compatible make: International
  • compatible model: C1200
  • compatible year: 1964 1963
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 2 Pc Genuine National Transfer Case Shift Shaft Seal Kit

seller manutransmission:

  • rating: 99.5%
  • city: Indianapolis, Indiana
  • # reviews: 630267

offer manutransmission:

  • started: March 8, 2026
  • quantity: 4
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0

returns manutransmission:

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

shipping manutransmission:

  • class: Standard, Expedited
  • transit: 3-6 Days
  • cost: $0.00
  • service: Standard, Expedited
  • type: Fixed

payments manutransmission:

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

general manutransmission:

  • Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission Parts
  • condition: New
for years: 1963-1964, type: transfer case shift shaft seal, item length: 2.000, manufacturer warranty: 1 year, placement on vehicle: transfer case gaskets sealing systems, compatible make: international, compatible model: c1200, compatible year: 1964 1963, core charge: free no core charge, fitment type: direct replacement, bundle description: 2 pc genuine national transfer case shift shaft seal kit,
category: auto parts > car truck parts accessories > transmission drivetrain > manual transmission parts, sku: 11542539011118603,

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