NATIONAL C317 Transmission Shaft Seals International 83-40

( Brand: National ), ( Manufacturer Part Number: 1971 ), ( Type: Manual Transmission Shift Shaft Seal ), ( Manufacturer Warranty: 1 Year ), ( Ipn: C317 83-40 ), ( Item Length: 2.000 ), ( Placement On Vehicle: Transmission Gaskets Sealing Systems ), ( Compatible Make: International ), ( Compatible Model: Scout ), ( Compatible Year: 1971 1970 1969 1968 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 2 Pc Genuine National Manual Transmission Shift Shaft Seal Kit )

Review NATIONAL 83-40 Pc Transmission Shift Shaft Seals For International fits FW 1968–1971

Introducing the National C317 83-40 transmission shaft seals, specifically designed for International Harvester FW trucks manufactured between 1968 and 1971. These transmission shaft seals are an essential component of your vehicle's powertrain system, tasked with preventing transmission fluid from leaking out, ensuring optimal performance and longevity.

The National C317 83-40 transmission shaft seals are engineered to meet or exceed OEM specifications, ensuring a perfect fit and function in your 1968-1971 International FW. Each seal is manufactured using high-quality materials, such as precision-molded rubber and durable metal components, to provide superior sealing capabilities and resistance to wear and tear.

These transmission shaft seals feature an intricate design, with multiple sealing lips and grooves that conform to the contours of the shaft and housing. This design helps create a tight seal, preventing fluid loss and maintaining proper lubrication levels within the transmission.

The National C317 83-40 transmission shaft seals come as a complete kit, including all necessary seals for the specific application. This kit not only includes the main shaft seals but also any additional seals required for the transmission's various components, such as the input and output shafts.

Installation of these transmission shaft seals is a straightforward process, making them an excellent choice for DIY enthusiasts or professional mechanics. The seals are easy to access, and the installation process does not require any specialized tools or extensive mechanical knowledge.

By choosing National C317 83-40 transmission shaft seals for your 1968-1971 International FW, you can enjoy the peace of mind that comes with knowing your vehicle's powertrain is protected against costly leaks and potential damage. These high-quality seals are designed to last, ensuring your transmission remains in top working order for years to come.

Buying National C317 83-40 transmission shaft seals for a 1968-1971 International Harvester FW tractor comes with both advantages and disadvantages. Here's a detailed analysis of each:

1. OEM Quality: National is a well-known manufacturer of OEM (Original Equipment Manufacturer) parts. Purchasing their shaft seals ensures that you are getting a product that is designed to fit and function exactly like the original equipment that came with your tractor.

2. Durability: National's shaft seals are known for their durability and resistance to wear and tear. They can handle the heavy loads and harsh conditions commonly encountered in agricultural applications.

3. Availability: National C317 83-40 transmission shaft seals are widely available from various retailers both online and offline. This makes it convenient for tractor owners to purchase them whenever they need to.

1. Cost: National's OEM parts can be more expensive than aftermarket alternatives. The cost difference may not be significant for a single part like a shaft seal, but it can add up when you consider the various other parts and repairs that may be needed for your tractor.

2. Lead Time: Depending on the retailer and their inventory levels, it may take some time for the shaft seals to be delivered to you. This could mean that you may have to wait for an extended period before you can get your tractor back in working order.

When it comes to buying National C317 83-40 transmission shaft seals for a 1968-1971 International Harvester FW tractor, the decision ultimately depends on your priorities as a tractor owner. If you value the peace of mind that comes with using OEM parts, and you are willing to pay a little extra for the assurance of quality and durability, then National's shaft seals are an excellent choice. However, if you are looking to save costs, you may want to consider aftermarket alternatives. Ultimately, the choice is yours, and I hope this analysis helps you make an informed decision.

Based on the information provided, if you prioritize the use of OEM parts and are willing to pay a premium for the assurance of quality and durability, then I would recommend purchasing National C317 83-40 transmission shaft seals for your 1968-1971 International Harvester FW tractor. However, if you are looking to save costs, I would suggest exploring aftermarket alternatives before making a final decision.

Details:

specifications manutransmission:

• for models: Fw
• for years: 1968-1971
• brand: National
• mpn: 1971
• type: Manual Transmission Shift Shaft Seal
• manufacturer warranty: 1 Year
• ipn: C317 83-40
• item length: 2.000
• placement on vehicle: Transmission Gaskets Sealing Systems
• compatible make: International
• compatible model: Scout
• compatible year: 1971 1970 1969 1968
• core charge: Free No Core Charge
• fitment type: Direct Replacement
• bundle description: 2 Pc Genuine National Manual Transmission Shift Shaft Seal Kit

shipping manutransmission:

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

general manutransmission:

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

offer manutransmission:

• quantity: 2
• availability: In Stock
• started: February 18, 2026
• sold: 0
• options: Ship-to-home

payments manutransmission:

• credit card: Discover
• wallet: Paypal
• other

seller manutransmission:

• city: Indianapolis, Indiana
• # reviews: 623887
• rating: 99.5%

returns manutransmission:

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

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