
( Brand: National ), ( Manufacturer Part Number: 40494S ), ( Part Type: Oil Seal ), ( Manufacturer Warranty: 90 Day ), ( UPC: 724956114764 ), ( Country Of Manufacture: Mexico ), ( Factory Oem: No ), ( Universal Fitment: Direct Replacement )
The National Oil Seal part number 40494S is a springless, single lip oil seal designed for various automotive applications. This seal is engineered to provide effective sealing against oil leaks in areas where a traditional oil seal with a spring may not be suitable.
The seal's design features a single lip that creates a tight seal against the shaft or journal it is installed on. The absence of a spring in the seal design simplifies installation, as there is no need to compress a spring during installation. This can save time and effort in some applications.
The seal is made from a high-quality, durable material that is resistant to oil and other contaminants. The material used in the seal ensures a long service life, even in harsh operating conditions.
The seal's dimensions are as follows: the outside diameter is 1.18 inches (30 mm), the inside diameter is 0.94 inches (24 mm), and the length is 0.62 inches (16 mm). These dimensions make it a suitable replacement for many standard oil seals in various automotive applications.
The National Oil Seal 40494S is an essential component for maintaining the performance and efficiency of automotive systems. By preventing oil leaks, this seal helps to keep engine oil where it belongs, reducing the need for frequent top-ups and minimizing the risk of engine damage caused by oil loss.
In summary, the National Oil Seal 40494S is a high-quality, springless, single lip oil seal that is ideal for various automotive applications where a traditional oil seal with a spring may not be suitable. Its durable design ensures a long service life, and its simple installation process makes it a popular choice among mechanics and DIY enthusiasts.
National Oil Seal part number 40494S is a springless, single lip oil seal designed for various applications. Here are some pros and cons of buying this oil seal:
Pros:1. Springless design: This feature eliminates the need for a separate spring, which simplifies installation and reduces the likelihood of leaks caused by a faulty spring.
2. Single lip design: This type of oil seal provides effective sealing against oil leakage in relatively clean applications.
3. Wide applicability: National Oil Seal part number 40494S is suitable for a variety of equipment, including pumps, transmissions, and differentials.
Cons:1. Limited sealing capacity: As a single lip oil seal, it may not be suitable for applications with high pressures or heavy contamination in the oil.
2. Potential for damage: Since it does not have a spring, it may not be as resilient to external forces. Careful handling during installation is necessary to avoid damaging the seal.
Conclusion:National Oil Seal part number 40494S is a reliable and effective oil seal for applications with clean oil and moderate pressure. Its springless design simplifies installation, but it may not be the best choice for high-pressure or contaminated oil applications.
Recommendation:For applications with clean oil and moderate pressure, National Oil Seal part number 40494S is an excellent choice due to its simplicity, effectiveness, and wide applicability. However, for applications with heavy contamination or high pressures, it may be advisable to consider a more robust oil seal design with a spring and multiple lips. Always consult the specifications of your equipment and the oil seal manufacturer to ensure proper selection.
90 Day Warranty Included. I have been involved since the 1950s with factory training from Ford, GM, and Chrysler. 1 Factory Radio is proud to introduce our line of liquidation listings. Largest Inventory of Factory Car Audio in the USA!, National Replacement Oil Seal Springless Single Lip Contains 1 40494S, LIQUIDATION National, Seal, - Brand New Item,Open Box -, Part Number: 40494S.
Please see photos for details. We ll be adding new listings to this line every day at limited quantities so sure to bookmark and keep watch for more great deals. Free Live Technical Support. Life is short.