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  3. NATIONAL 710664

NATIONAL 710664 Trans Shaft Seal 019826070005

710664 National Trans Case Input Shaft Seal

( Brand: National ), ( Manufacturer Part Number: 710664 ), ( Part Type: Seal Tran Shaft Case ), ( Itemlength: 83 ), ( Itemweight: 45 ), ( Itemwidth: 22 ), ( Packageheight: 23 ), ( Packagelength: 86 ), ( Packagewidth: 84 ), ( UPC: 019826070005 )

Review NATIONAL Trans Case Input Shaft Seal

The National Transmission Seats P/N 710664 is a crucial component in the power transmission system of various heavy-duty vehicles and equipment. This trans shaft seal is specifically designed to prevent the leakage of transmission fluid from the shaft, ensuring efficient power transfer and longevity of the drivetrain.

This seal is manufactured using high-quality materials that offer superior sealing capabilities and resistance to wear and tear. The seal features a lip design that conforms precisely to the shaft contour, creating a tight seal that effectively prevents fluid leakage. The material used in the seal's production is resilient and can withstand the extreme pressures and temperatures generated in heavy-duty applications.

The 710664 trans shaft seal is easy to install and replace, making it an ideal solution for maintenance and repair applications. It comes in a standard size, making it a versatile option for various transmission systems. The seal is sold individually and is available in various packaging options, depending on the customer's requirements.

In summary, the National Transmission Seats P/N 710664 is an essential component for maintaining the efficiency and longevity of heavy-duty transmission systems. Its high-quality materials, precise fit, and easy installation make it an excellent choice for fleet managers, mechanic shops, and vehicle owners who require a reliable and effective trans shaft seal solution.

Pros and Cons of buying a National 710664 Transmission Shaft Seal

The National 710664 transmission shaft seal is a crucial component in maintaining the functionality and longevity of automatic transmissions. Before deciding to purchase this part, it is essential to weigh its advantages and disadvantages.

Pros:

1. Enhances Sealing Performance: The National 710664 transmission shaft seal ensures a tight seal between various transmission components, preventing fluid leakage and improving overall performance.

2. OEM Quality: This seal is manufactured by National, a well-known and reputable automotive parts manufacturer, ensuring quality and reliability.

3. Improves Transmission Efficiency: By maintaining proper sealing, the transmission operates more efficiently, which can lead to better fuel economy and reduced wear on other transmission components.

4. Easy Installation: The National 710664 transmission shaft seal is designed for easy installation, saving time and effort for mechanics and DIY enthusiasts.

Cons:

1. Cost: Replacing a transmission shaft seal can be an expensive repair, especially when considering labor costs if professional installation is required.

2. Availability: Depending on the specific make and model of the vehicle, the National 710664 transmission shaft seal may not always be readily available at local auto parts stores or garages.

3. Potential for Additional Repairs: A leaking seal could be a symptom of other transmission issues, so replacing the seal might only be the first step in a series of repairs.

Conclusion:

The National 710664 transmission shaft seal is an essential component for maintaining the performance and longevity of an automatic transmission. While it comes with some disadvantages, such as cost and potential for additional repairs, the advantages, including improved sealing performance, OEM quality, and transmission efficiency, make it a worthwhile investment for those seeking to keep their vehicles in optimal condition.

Recommendation:

Before purchasing the National 710664 transmission shaft seal, it is recommended to confirm its compatibility with your specific vehicle make and model. Researching online and consulting with a trusted mechanic or auto parts supplier can help ensure a successful repair and a well-functioning transmission.

Details:

Compatible with most oils and EP lubricants at higher operating temperatures. Material: Polyacrylamide. National 710664 Trans Case Input Shaft Seal. Delivers quality and reliable performance for every type of repair.

Temperature range: Minus 20 degree Fahrenheit to 300. High resistance to oxidation and ozone, has low swell in hydrocarbon fluids. Temperature range: 20 F to 300 / 29 C 49. Resistance to EP lubricants.

Design type: Spring loaded; multi-lip.

part #: 710664 prices

  • $13.16-$38.03

specifications manutransmission:

  • brand: National
  • mpn: 710664
  • part type: Seal Tran Shaft Case
  • itemlength: 83
  • itemweight: 45
  • itemwidth: 22
  • packageheight: 23
  • packagelength: 86
  • packagewidth: 84
  • upc: 019826070005

seller manutransmission:

  • rating: 100.0%
  • # reviews: 1
  • city: New York, New York

returns manutransmission:

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

payments manutransmission:

  • other
  • credit card: Diners-club
  • wallet: Paypal

offer manutransmission:

  • availability: In Stock
  • options: Ship-to-home
  • started: January 15, 2026
  • sold: 0
  • quantity: 1

shipping manutransmission:

  • service: Standard
  • type: Fixed
  • transit: 5-11 Days
  • cost: $0.00
  • class: Standard

general manutransmission:

  • Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission Parts
  • condition: New
part type: seal tran shaft case, itemlength: 83, itemweight: 45, itemwidth: 22, packageheight: 23, packagelength: 86, packagewidth: 84,
category: auto parts > car truck parts accessories > transmission drivetrain > manual transmission parts, sku: 10459310501485632,

National 710664 Is Similar To:

manutransmission logo
5 offers $13.16–$38.03 USD
  • Offer #1: $38.03 price + $0.00 shipping estimate = $38.03* total. Manufacturer :National.FREE SHIPPING
  • Offer #2: $13.16 price + $19.73 shipping estimate = $32.89* total. out of the seal and other wheel-end components. Transfer Case Input Shaft Seal ( ) by National.+$19.73 shipping
  • Offer #3: $20.01 price + $0.00 shipping estimate = $20.01* total. National Seal/Bearing , NS , SS2930.FREE SHIPPING
  • Offer #4: $33.76 price + $0.00 shipping estimate = $33.76* total. Manufacturer :National Seals.FREE SHIPPING
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