NATIONAL 3946 Oil Seals 724956110834

( Brand: National ), ( Part Type: Oil ), ( Manufacturer Part Number: 3946 ), ( UPC: 724956110834 )

Review NATIONAL Oil Seals

National 3946 oil seals are precision engineered components designed to provide effective sealing solutions for various automotive and industrial applications. These seals are manufactured to meet the highest standards of quality and performance.

The National 3946 oil seal is specifically engineered to seal against oil, coolant, or other liquids, while allowing the free movement of rotating shafts. The seal features a robust, reinforced design with an inner lip that tightly seals against the shaft, preventing leakage. The outer lip of the seal is engineered to seal against the housing, ensuring a tight seal and preventing any fluid from escaping.

The seal material is made of a high-performance, resilient rubber compound that provides excellent resistance to wear, tear, and compression. It also offers excellent flexibility and elasticity, allowing the seal to adapt to various operating conditions and temperatures.

The National 3946 oil seal comes with a precision-machined, balanced, and aligned face, ensuring a perfect fit and easy installation. It also features a chamfered edge that facilitates easy installation and removal.

This oil seal is suitable for use in a wide range of applications, including automotive engines, transmissions, power steering systems, and industrial equipment. It offers exceptional sealing performance, even in high-pressure and high-temperature environments.

The National 3946 oil seal is a reliable and cost-effective solution for maintaining the efficiency and longevity of equipment by preventing leaks and reducing the need for frequent maintenance. It is backed by National's industry-leading warranty, ensuring customer satisfaction and peace of mind.

In summary, the National 3946 oil seal is a high-performance, reliable, and cost-effective sealing solution designed to meet the demands of various automotive and industrial applications. It features a robust and reinforced design, excellent sealing performance, and easy installation, making it an ideal choice for maintaining the efficiency and longevity of equipment.

National Oil Seals, part number 3946, are commonly used in various automotive applications for sealing oil in crankshafts, camshafts, and other rotating machinery. Here are some pros and cons of buying these oil seals:

1. High Quality: National Oil Seals are known for their durability and high-quality sealing performance. They are manufactured to meet or exceed OEM specifications.

2. Wide Application: These oil seals are used in a wide range of vehicles, making them a popular choice for many automotive repair shops and DIY enthusiasts.

3. Cost-Effective: Compared to buying new OEM seals, aftermarket oil seals like National Oil Seals can be a more cost-effective option for vehicle owners.

4. Availability: These oil seals are readily available at most auto parts stores and online retailers, making it easy for consumers to find and purchase them.

1. Fitment Issues: While National Oil Seals are designed to fit a wide range of applications, there are instances where they may not fit perfectly. It's essential to double-check the compatibility of the seal with your specific vehicle before purchasing.

2. Installation Difficulty: Installing oil seals can be a challenging task, especially for those without experience. Improper installation can lead to leaks and other issues.

3. Inferior Materials: Some aftermarket oil seals, including National Oil Seals, may use inferior materials compared to OEM seals. While they may function adequately, they may not provide the same level of sealing performance or longevity as OEM seals.

National Oil Seals part number 3946 can be an excellent choice for those looking for a cost-effective and widely available option for oil seals. However, it's crucial to ensure proper fitment and installation to avoid potential issues. Additionally, while these seals may not be made of the same materials as OEM seals, they should still provide adequate sealing performance for most applications.

If you're in need of a new oil seal and want to save some money, National Oil Seals part number 3946 can be a good option. However, it's important to double-check the compatibility of the seal with your vehicle and ensure proper installation to avoid any potential issues. If you prefer the peace of mind that comes with using OEM parts, consider purchasing the original equipment manufacturer's oil seal instead.

Details:

Condition: New. Item: OIL SEAL.

part #: 3946 prices

• $9.99-$19.99

specifications gardepatch:

• brand: National
• part type: Oil
• manufacturer part number: 3946
• upc: 724956110834

returns gardepatch:

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

general gardepatch:

• Yard, Garden Outdoor Living > Garden Hand Tools Equipment > Garden Tool Accessories
• condition: New

shipping gardepatch:

• class: Economy
• transit: 4-9 Days
• service: Economy
• type: Fixed
• cost: $0.00

seller gardepatch:

• city: Wheeling, IL
• # reviews: 109620
• rating: 98.7%

payments gardepatch:

• wallet: Apple-pay
• other
• credit card: Visa

offer gardepatch:

• options: Ship-to-home
• quantity: 1
• sold: 0
• started: March 14, 2026
• availability: In Stock