NATIONAL 4529N Trans Shaft Seal 724956132546

( Brand: National ), ( Manufacturer Part Number: 4529N ), ( Type: Manual Trans Input Shaft Seal ), ( Material: Material ), ( Item Length: 2.750 ), ( UPC: 724956132546 )

Review NATIONAL Man Trans Input Shaft Seal

The National Transmission Industries, Inc. (NTK) Part Number 4529N is a high-quality transmission shaft seal designed to provide an effective solution for sealing the shaft in automatic transmission systems. This seal is specifically engineered for use in various automotive applications and is known for its durability and reliability.

The 4529N transmission shaft seal is made from a special elastomer material that ensures a perfect seal against the transmission fluid, preventing any leakage. The material used in this seal is resistant to the harsh conditions of transmission fluids and can withstand the extreme pressures and temperatures encountered in automotive applications.

The seal features a precision-engineered design that allows it to fit snugly into the transmission shaft housing and form a tight seal against the shaft. Its cross-sectional shape is specifically designed to accommodate different sizes and shapes of transmission shafts, making it a versatile solution for various applications.

The 4529N transmission shaft seal is easy to install, and it comes with clear installation instructions to ensure a hassle-free experience for the user. It is recommended to replace the seal whenever there is a transmission fluid leak or when performing routine maintenance on the transmission system.

The NTK 4529N transmission shaft seal is a dependable and cost-effective solution for sealing transmission shafts in automotive applications. Its high-quality materials and precise design ensure a long service life, minimizing the need for frequent replacements and reducing the overall maintenance costs for vehicle owners.

In summary, the National Transmission Industries, Inc. Part Number 4529N is a high-performance transmission shaft seal that provides an effective seal against transmission fluid leakage. Its durable elastomer material, precision-engineered design, and ease of installation make it a reliable and cost-effective solution for various automotive transmission applications.

Buying a National 4529N transmission shaft seal involves considering both its advantages and disadvantages to help make an informed decision. Here's a detailed analysis:

1. Enhanced Transmission Performance: A new seal ensures that the transmission fluid stays within the transmission system, preventing any leaks and optimizing the overall performance of the transmission.

2. Improved Shift Quality: A faulty seal can cause various issues, including rough or delayed shifts. Installing a new seal can help restore smooth and timely shifts, providing a better driving experience.

3. Longer Transmission Life: Regularly replacing the transmission shaft seal can help prevent premature wear and tear on other transmission components, ultimately extending the life of the transmission.

4. Cost-Effective: Compared to the cost of major transmission repairs or even a new transmission, buying and installing a new transmission shaft seal is a more cost-effective solution.

1. Installation Complexity: Installing the transmission shaft seal can be a challenging process, especially for those without automotive experience or the necessary tools. It might be best to leave the installation to a professional mechanic.

2. Potential for Further Damage: In some cases, a leaking seal might be a sign of underlying transmission issues. Replacing the seal without addressing the root cause could lead to further damage and additional repair costs.

3. Cost: While the seal itself might be relatively inexpensive, the overall cost of buying a seal, having it installed, and potentially diagnosing and fixing other related issues can add up.

A National 4529N transmission shaft seal replacement can provide numerous benefits, such as improved transmission performance, enhanced shift quality, and extended transmission life. However, the installation process can be complex, and there's a risk of further damage if the root cause of the leak isn't addressed. Additionally, the overall cost of the replacement, including labor and potential additional repairs, should be considered.

If you suspect a transmission shaft seal leak and are confident in your automotive skills or have access to a professional mechanic, buying and installing a new seal can be a cost-effective solution. However, consider having a mechanic diagnose the issue first to ensure that the seal is indeed the root cause of the leak and that no further damage has occurred. If you're uncertain about your abilities or the extent of the issue, it might be best to consult a professional mechanic for an assessment and suggested course of action.

Details:

Note: Photos do not always represent the actual product. National 4529N Man Trans Input Shaft Seal,:: OE Replacement; 1-3/8 Inch Inside Diameter; 2.052 Outside 0.33 Thick; Polyacrylamide; Single. For kits, photo might show entire kit and listing is only for one component.

part #: 4529n prices

• $14.10-$18.92

specifications manutransmission:

• brand: National
• mpn: 4529n
• type: Manual Trans Input Shaft Seal
• material: Material
• item length: 2.750
• upc: 724956132546

offer manutransmission:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: November 26, 2025
• quantity: 3

payments manutransmission:

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

seller manutransmission:

• city: USA
• rating: 98.7%
• # reviews: 82664

general manutransmission:

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

shipping manutransmission:

• service: Standard
• class: Standard
• transit: 3-7 Days
• cost: $0.00
• type: Fixed

returns manutransmission:

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

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