NATIONAL 370009A Seal

( Brand: National ), ( Manufacturer Part Number: 370009A ), ( Part Type: Seal )

Review NATIONAL Seal

The National 370009A seal is a versatile and reliable solution for various sealing applications. This circular lip seal is engineered with a high-quality elastomer material that provides excellent sealing performance against both pressure and leakage. The elastomer compound used in this seal boasts a durability that withstands extreme temperatures, making it suitable for use in various industrial and automotive environments.

The National 370009A seal features a circular cross-section with an outside diameter of 3 inches and an inside diameter of 2.5 inches. The lip width measures 0.25 inches, and the seal's thickness can vary depending on the specific application requirements. The seal's body is made of brass, providing both strength and corrosion resistance.

This seal comes with an integrated spring that ensures proper sealing force and allows for some axial movement. The spring is designed to maintain the seal's position and prevent extrusion, even under high-pressure conditions. The spring's compression and rebound characteristics enable the seal to efficiently adapt to minor surface imperfections and maintain a leak-free seal.

The National 370009A seal is compatible with a wide range of fluid types, including water, oil, and various chemicals. Its high-performance elastomer material offers excellent resistance to abrasion, wear, and tearing, ensuring long service life. The seal's robust design and durable materials make it an ideal choice for applications in pumps, valves, and other sealing systems where reliability and efficiency are crucial.

In summary, the National 370009A seal is a high-performance circular lip seal designed for use in various industrial and automotive applications. Its durable elastomer material, brass body, and integrated spring offer excellent sealing performance against pressure and leakage, while its compatibility with a wide range of fluid types and extreme temperatures ensures versatility and reliability.

The National 370009A seal is a high-quality, heavy-duty rubber seal commonly used in automotive applications, particularly in the sealing of crankshafts and camshafts. Here are some pros and cons of buying this seal:

1. Durability: The National 370009A seal is known for its superior durability and ability to withstand high compressive forces.

2. Leak-free performance: This seal provides an excellent seal against gases and liquids, ensuring a leak-free engine.

3. Temperature resistance: The seal can withstand high temperatures, making it suitable for use in hot engine environments.

4. Easy installation: The seal comes pre-lubricated, making it easy to install and reducing the risk of damage to the seal during installation.

5. OEM quality: The National 370009A seal is an original equipment manufacturer (OEM) replacement part, ensuring a perfect fit and function.

1. Cost: Compared to some aftermarket seals, the National 370009A seal can be more expensive.

2. Availability: This seal may not be readily available at local auto parts stores and may need to be ordered online.

3. Size: The seal comes in a specific size and may not be interchangeable with other seals without modification.

The National 370009A seal is a high-quality, durable, and leak-free solution for sealing crankshafts and camshafts in automotive applications. While it may be more expensive than some aftermarket seals and may require special ordering, its superior performance and OEM quality make it a worthwhile investment for those seeking reliable engine sealing.

If you are in need of a new crankshaft or camshaft seal and are looking for a reliable, high-quality option, the National 370009A seal is an excellent choice. While it may cost more than some aftermarket seals, its superior durability and leak-free performance make it a worthwhile investment for those seeking optimal engine performance and reliability.

Details:

part #: 370009a prices

• $12.00-$30.75

specifications forklifacc:

• brand: National
• mpn: 370009a
• part type: Seal

general forklifacc:

• condition: New Open box
• Warehouse Loading Unloading > Warehouse klift Parts Accessories > Other klift Parts Accessories

shipping forklifacc:

• transit: 5-8 Days
• class: Standard
• service: Standard
• cost: $7.99
• type: Fixed

offer forklifacc:

• started: November 27, 2025
• best offers: True
• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1

returns forklifacc:

• method: Money back
• paid by: Buyer
• policy: Returns Accepted
• time: 30 Days

payments forklifacc:

• wallet: Paypal
• credit card: Discover
• other

seller forklifacc:

• city: Ronceverte, West Virginia
• # reviews: 8247
• rating: 99.7%

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