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  3. NATIONAL SX-9KB3

NATIONAL SX-9KB3 Transfer Shaft Seals International Eb

fits year: 1956–1957.

Sx-9kb3 National 2 Pc Transfer Case Shift Shaft Seals For 1956-1957 International Eb

( Brand: National ), ( Manufacturer Part Number: SX-9KB3 ), ( Type: Transfer Case Shift Shaft Seal ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C380 73-25 ), ( Item Length: 2.000 ), ( Placement On Vehicle: Transfer Case Gaskets Sealing Systems ), ( Compatible Make: International ), ( Compatible Model: S120 ), ( Compatible Year: 1957 1956 ), ( 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 Eb fits 1956–1957

Introducing the National SX-9KB3 transfer shaft seals, specifically designed for International Harvester trucks manufactured between 1956 and 1957. These high-quality seals are engineered to provide an effective solution for transferring power from the transmission to the drive axle while preventing unwanted fluid leakage.

The National SX-9KB3 transfer shaft seals are made from premium materials to ensure durability and longevity. The seals themselves are constructed from a synthetic rubber compound that offers excellent resistance to wear and tear, as well as superior flexibility to accommodate the movement of the transfer shaft. The outer lip of the seal is reinforced with a heavy-duty, ribbed design to enhance its sealing capabilities and prevent leakage even under heavy loads.

Each seal comes with a machined brass gland that ensures a perfect fit and secure installation. The gland is designed to provide a tight seal against the shaft, preventing any potential leaks, and is also compatible with the OEM gland nut. The brass material provides excellent corrosion resistance, ensuring that the seal remains functional even in harsh environmental conditions.

The National SX-9KB3 transfer shaft seals are easy to install, with no special tools required. Simply remove the old seal, clean the area, and install the new seal with the provided gland. The seals are available in sets of two, ensuring that both the driver and passenger side transfer shafts are covered.

In summary, the National SX-9KB3 transfer shaft seals are a reliable and effective solution for International Harvester truck owners looking to replace their worn-out or leaking transfer shaft seals. These high-quality seals are engineered to provide an airtight seal, enhance the performance of the powertrain, and prevent costly fluid leaks. With their durable construction, easy installation, and compatibility with OEM gland nuts, these seals are the ideal choice for any 1956-1957 International Harvester truck owner.

Pros and Cons of Buying National SX-9KB3 Transfer Shaft Seals for 1956-1957 International Scout 4x4

Introduction:

The National SX-9KB3 transfer shaft seal is a popular aftermarket option for the repair or replacement of the original seals on 1956-1957 International Scout 4x4 vehicles. In this analysis, we will evaluate the potential advantages and disadvantages of purchasing and installing these seals.

Pros:

1. Leak Prevention: The primary benefit of using National SX-9KB3 transfer shaft seals is their ability to prevent leaks in the driveline. These seals are designed to provide a better seal than the original seals, which can help keep oil in the transfer case and prevent damage to other components.

2. Durability: National SX-9KB3 transfer shaft seals are made from high-quality materials that are resistant to wear and tear. They are designed to last longer than the original seals, reducing the frequency of repairs and maintenance.

3. Improved Performance: By preventing leaks, National SX-9KB3 transfer shaft seals can help improve the performance of the vehicle. A well-sealed transfer case ensures that the power is effectively transferred to the wheels, resulting in better acceleration and overall driving experience.

4. Easy Installation: National SX-9KB3 transfer shaft seals are relatively easy to install. They can be installed in a few hours with common hand tools, making it a cost-effective repair option for many owners.

Cons:

1. Cost: While National SX-9KB3 transfer shaft seals offer several advantages, they can be more expensive than the original seals. This cost difference may be a deterrent for some owners, especially those on a tight budget.

2. Availability: National SX-9KB3 transfer shaft seals may not be readily available from local auto parts stores. They can typically be purchased from specialized off-road parts retailers or online marketplaces. This lack of availability may require additional shipping time and costs.

Conclusion:

The National SX-9KB3 transfer shaft seals offer several advantages, including leak prevention, improved durability, enhanced performance, and easy installation. However, they also come with some disadvantages, such as a higher cost and limited availability. Considering these factors, it is recommended that owners of 1956-1957 International Scout 4x4 vehicles weigh the benefits against the costs and determine if the National SX-9KB3 transfer shaft seals are the best option for their specific situation.

Recommendation:

If the vehicle is frequently used off-road or in harsh conditions, or if the owner experiences frequent leaks or poor performance, investing in National SX-9KB3 transfer shaft seals may be a wise decision. The improved sealing, durability, and performance can lead to significant long-term savings and a more enjoyable driving experience. On the other hand, if the vehicle is primarily used for casual driving and the current seals are functioning adequately, it may be more cost-effective to wait until a failure occurs before replacing them with the aftermarket seals.

Details:

part #: sx9kb3 price

  • $18.08

specifications manutransmission:

  • for years: 1956-1957
  • brand: National
  • mpn: Sx-9kb3
  • type: Transfer Case Shift Shaft Seal
  • manufacturer warranty: 1 Year
  • ipn: C380 73-25
  • item length: 2.000
  • placement on vehicle: Transfer Case Gaskets Sealing Systems
  • compatible make: International
  • compatible model: S120
  • compatible year: 1957 1956
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 2 Pc Genuine National Transfer Case Shift Shaft Seal Kit

seller manutransmission:

  • city: Indianapolis, Indiana
  • rating: 98.8%
  • # reviews: 560090

offer manutransmission:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • started: July 13, 2025
  • quantity: 2

returns manutransmission:

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

payments manutransmission:

  • credit card: Diners-club
  • wallet: Google-pay
  • other

general manutransmission:

  • Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission Parts
  • condition: New

shipping manutransmission:

  • type: Fixed
  • class: Standard, Expedited
  • cost: $0.00
  • transit: 4-8 Days
  • service: Standard, Expedited
for years: 1956-1957, type: transfer case shift shaft seal, manufacturer warranty: 1 year, item length: 2.000, placement on vehicle: transfer case gaskets sealing systems, compatible make: international, compatible model: s120, compatible year: 1957 1956, 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: 6693154930032721,

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