340817 NATIONAL Oil Seal

Review NATIONAL Oil Seal Multi Purpose Free Shipping

The National oil seal with part number 340817 is a critical component in various automotive applications designed to prevent oil leakage from the engine or transmission. This seal is manufactured to meet or exceed original equipment manufacturer (OEM) specifications, ensuring reliable performance and longevity.

The 340817 oil seal is specifically engineered with an elastomeric material that provides exceptional sealing ability against oil, while also being resilient to the extreme temperatures and pressures found in automotive environments. Its cross-sectional design features an inner lip that seals against the shaft or journal, while an outer lip seals against the housing. This two-lip design ensures a tight seal and prevents oil from escaping.

The oil seal's surface is treated with a special coating that enhances its durability and resistance to wear and tear. The coating also aids in the seal's ability to withstand the harsh conditions of modern engines, including high-performance applications.

The 340817 oil seal comes in a standard size and shape, making it a versatile replacement option for a wide range of automotive applications. Its precise dimensions and excellent sealing properties make it an ideal choice for vehicle owners seeking to maintain the optimal performance and efficiency of their engines or transmissions.

Installing the 340817 oil seal is a straightforward process, typically involving the removal of the old seal and the installation of the new one using a seal driver or a hammer and a seal installer. Proper installation is crucial to ensuring the seal's longevity and effectiveness, and following the recommended installation instructions provided by the manufacturer is essential.

In conclusion, the National oil seal with part number 340817 is an essential automotive component designed to prevent oil leakage and maintain the performance and efficiency of engines and transmissions. Its elastomeric material, two-lip design, and special coating make it an effective and durable sealing solution for a wide range of automotive applications. With precise dimensions and easy installation, this oil seal is an ideal choice for vehicle owners seeking to keep their vehicles in top shape.

Buying a National oil seal with the part number 340817 comes with several pros and cons that you should consider before making a purchase.

1. High-Quality Product: National is a reputable brand in the automotive industry, known for producing top-notch seals. A 340817 oil seal from National is likely to be durable and effective in preventing oil leaks.

2. Availability: National oil seals are widely available at various auto parts stores and online retailers. This makes it easy for consumers to find and purchase the part they need.

3. Affordable: National oil seals are relatively affordable compared to some other brands. This makes them a popular choice for consumers looking for a cost-effective solution to their oil leak problems.

1. Fitment Issues: While National oil seals are generally well-made, there have been reports of some customers experiencing fitment issues with their seals. It's important to double-check that the 340817 oil seal is the correct fit for your vehicle before making a purchase.

2. Longer Lead Times: Compared to some other auto parts brands, National may have longer lead times for shipping. This means that it may take a few days or even a week or more for your order to arrive.

3. Limited Warranty: National oil seals come with a limited warranty, which may not cover all potential issues. It's important to read the warranty terms carefully before making a purchase.

The decision to buy a National oil seal with part number 340817 ultimately depends on your specific needs and circumstances. If you prioritize affordability, availability, and brand reputation, then this oil seal may be a good choice for you. However, if you have concerns about fitment or want a longer warranty, you may want to consider other options.

Before making a purchase, I would recommend double-checking the fitment of the 340817 oil seal with your vehicle's make and model. You may also want to consider reading customer reviews and checking the warranty terms to ensure that the product meets your needs and expectations. If you're confident in your decision, then purchasing a National oil seal can be a smart investment for preventing oil leaks in your vehicle.

Details:

Manufactured by National, a trusted brand in seals and gaskets, this oil seal comes with free shipping for added convenience. With its manufacturer part number 340817, this seal is specifically designed for differential and drive train systems, ensuring a reliable durable performance. The National 340817 oil seal is a versatile multi-purpose seal designed for various automotive applications.

specifications differentialsdepo:

• brand: National
• mpn: 340817
• type: Seal
• mfr code: Nat
• manufacturer warranty: No

returns differentialsdepo:

• policy: no returns

shipping differentialsdepo:

• carrier: usps
• class: standard
• transit: 5-12 days
• type: calculated
• service: usps ground advantage

general differentialsdepo:

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

payments differentialsdepo:

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

seller differentialsdepo:

• rating: 99.0%
• # reviews: 388
• city: rozet, wyoming

offer differentialsdepo:

• options: ship-to-home
• sold #: 14
• started: august 14, 2025
• availability: in stock
• prices: $14.88–$15.49
• item condition: New
• in stock #: 3