470331N NATIONAL OIL SEALS Differential Pinion Seal

Review NATIONAL OIL SEALS Differential Pinion Seal

The National Oil Seals 470331N Differential Pinion Seal is an essential component in the drivetrain system of various vehicles, designed to prevent oil leakage from the pinion shaft of the differential unit. This seal is specifically engineered to meet the demanding requirements of automotive applications, ensuring durability and reliability even under heavy loads and extreme temperatures.

The 470331N Differential Pinion Seal is manufactured using high-quality materials, primarily a customized elastomer compound that offers excellent resistance to oil, heat, and wear. Its cross-sectional design features a labyrinth construction, which provides a dual barrier against leakage. The outer lip of the seal seals against the differential housing, while the inner lip seals against the pinion shaft. This design ensures a tight seal, preventing oil from escaping and keeping the differential fluid where it belongs.

The seal's inner diameter is precisely machined to fit snugly around the pinion shaft, minimizing the possibility of leaks and ensuring proper lubrication for the differential gears. The seal's outer diameter is designed to fit securely into the differential housing, with an O-ring groove that allows for an additional seal to be installed for an extra layer of protection against oil leakage.

The National Oil Seals 470331N Differential Pinion Seal is easy to install, with no special tools required. Simply remove the old seal, clean the area, and apply a thin coat of clean engine oil to the new seal and the shaft before installation. The seal can then be pressed or tapped into place using a hammer and a seal installation tool or a socket and a hammer.

This seal is suitable for use in a wide range of automotive applications, including passenger cars, light trucks, and heavy-duty commercial vehicles. It is recommended to replace the differential pinion seal whenever performing a differential rebuild or repair, or when experiencing signs of oil leakage from the pinion shaft area.

By choosing the National Oil Seals 470331N Differential Pinion Seal, you can enjoy peace of mind knowing that your differential unit is properly sealed and protected from oil leakage, ensuring optimal performance and longevity.

National Oil Seals part number 470331N is a differential pinion seal used in various automotive applications. Like any automotive part, buying this seal comes with its own set of pros and cons.

1. OEM Quality: National Oil Seals is a well-known and reputable brand in the automotive industry. Buying their seal ensures that you are getting an Original Equipment Manufacturer (OEM) quality part.

2. Leak Prevention: A faulty differential pinion seal can cause significant oil leaks, leading to engine damage. Replacing it with a new one can prevent such issues and save you from costly repairs in the future.

3. Improved Performance: A new seal can restore the sealing integrity of your differential unit, improving its overall performance and longevity.

1. Cost: National Oil Seals are known for their high-quality products, and this comes at a price. The cost of this seal may be higher than aftermarket alternatives.

2. Installation Complexity: Installing a differential pinion seal can be a complex and time-consuming process. It requires specialized tools and techniques, and it's essential to follow the manufacturer's instructions carefully to avoid any damage to the differential unit.

3. Availability: Depending on your location, the availability of National Oil Seals may be limited, making it harder to get your hands on one quickly.

Buying National Oil Seals 470331N comes with the assurance of getting an OEM quality part, which can prevent leaks, improve performance, and save you from costly repairs. However, it comes at a higher cost, installation can be complex, and availability may be limited. Ultimately, the decision to buy this seal depends on your priorities, budget, and the urgency of the repair.

If you prioritize OEM quality and are willing to pay a higher price, then National Oil Seals 470331N is an excellent choice. However, if you're on a tight budget, you may want to consider aftermarket alternatives. In any case, ensure that you have the necessary tools and expertise to install the seal correctly to avoid any potential damage.

Details:

This seal is designed to fit the differential pinion of a vehicle, providing sealing ensure smooth and efficient operation transmission drive train. With a manufacturer part number of 470331N, this seal is reliable and durable component for maintaining the performance car or truck. The differential pinion seal National 470331N is a high-quality car part manufactured by Oil Seals.

specifications differentialsdepo:

• brand: National Oil Seals
• mpn: 470331n
• type: Seal

offer differentialsdepo:

• prices: $6.01–$11.99
• item condition:
  • New other (see details)
  • New
• sold #: 11
• options: ship-to-home
• in stock #: 5
• started: december 31, 2025
• availability: in stock

returns differentialsdepo:

• paid by: seller
• time: 30 days
• policy: returns accepted

seller differentialsdepo:

• city: appleton, wisconsin
• rating: 99.6%
• # reviews: 2182

payments differentialsdepo:

• other
• credit card: discover
• wallet: apple-pay

shipping differentialsdepo:

• class: standard
• service: usps ground advantage
• carrier: usps
• transit: 5-9 days
• type: fixed

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Seals Gaskets