NATIONAL 475003N Shaft Seal 724956142170

( Brand: National ), ( Manufacturer Part Number: 475003N ), ( Part Type: Seal Shaft ), ( Product Type: Transmission ), ( UPC: 724956142170 ), ( Fitment Type: Direct Replacement ), ( Partslink Number: 19761d, 310515r91, 596312c91, 296509c1, 53715v, 291222c91 ), ( Product Subtype: Transmission Shafts Gears ), ( Product Details: Automatic Transmission Main Shaft Seal ), ( Department: Replacement )

Review NATIONAL Shaft Seal

The National Oil Seal 475003 is a high-performance shaft seal designed for use in a variety of heavy-duty applications. This seal is engineered to provide effective sealing against oil, coolant, and other fluids, ensuring minimal leakage and maximum efficiency.

The 475003 shaft seal features a rubber lip seal that conforms to the contours of the shaft, creating a tight seal even under high rotational speeds and loads. The seal is made of a durable, heat-resistant elastomer material, capable of withstanding temperatures up to 250 degrees Fahrenheit.

The seal housing is machined from high-strength steel, providing robust support and protection for the seal. The housing is also designed with a generous fluid capacity to accommodate various fluid levels and ensure proper sealing.

The National Oil Seal 475003 comes with a precision-machined, interference-fit metal face ring. This ring provides an additional sealing surface, ensuring a leak-free installation even in applications with high fluid pressures.

The seal is easy to install, with a simple, bolt-on design that allows for quick and straightforward replacement. The seal is also available in various sizes, making it a versatile solution for a wide range of applications.

The National Oil Seal 475003 is an ideal choice for heavy-duty equipment operators seeking reliable, long-lasting shaft seals. With its advanced design and materials, this seal offers exceptional sealing performance, even in the most demanding environments.

Shaft seals, such as the National 475003 model, are essential components in various machinery systems, including pumps and motors, to prevent leaks and maintain the seal between rotating and stationary components. When considering purchasing a National 475003 shaft seal or an alternative option, it is important to evaluate the potential pros and cons.

1. OEM Compatibility: The National 475003 shaft seal is a genuine original equipment manufacturer (OEM) part. This means it is designed and manufactured by the same company that originally produced the machinery it is intended for. As a result, it may provide better fitment, compatibility, and performance compared to aftermarket alternatives.

2. Quality and Durability: OEM parts are generally known for their high-quality materials and manufacturing processes, which can result in longer service life and fewer maintenance issues.

3. Warranty Coverage: Purchasing an OEM shaft seal may offer better warranty coverage compared to aftermarket alternatives. Warranty terms and conditions may vary depending on the specific OEM and distributor.

4. Reduced Downtime: Using an OEM shaft seal can help minimize downtime by ensuring a perfect fit and compatibility with the machinery.

1. Cost: OEM parts, including shaft seals, tend to be more expensive than aftermarket alternatives due to their higher manufacturing costs and brand recognition.

2. Availability: In some cases, OEM shaft seals may be less readily available than aftermarket alternatives, which could lead to longer lead times for replacement parts.

3. Limited Options: OEM shaft seals may not offer as many customization options as aftermarket alternatives, which could limit their applicability to specific machinery configurations.

When deciding between purchasing a National 475003 shaft seal or an alternative option, it is essential to weigh the pros and cons carefully. The primary advantage of purchasing an OEM shaft seal is its guaranteed fitment, compatibility, and potential for longer service life. However, the higher cost and potential limited availability can be drawbacks for some organizations.

Ultimately, the decision to purchase an OEM shaft seal versus an aftermarket alternative depends on the specific requirements of the machinery, the availability of replacement parts, and the organization's budget and priorities. If minimizing downtime and ensuring the highest level of compatibility and performance are top priorities, an OEM shaft seal may be the best choice. Alternatively, if cost is a significant concern, an aftermarket alternative may be a more suitable option.

Details:

Redcoat: Yes. Inside Diameter: 2.625. Design: Spring Loaded, Multi-Lip.

If you are looking for the part that fits and performs exactly like stock one lasts even longer, this company will have covered with quality components meet or surpass OE requirements. It is built to the original equipment specifications ensure factory-like fit, quality, and reliability. Meets OE configurations.

Outside Diameter: 3.628. Made of premium materials for unmatched durability. Features: designed for dependable operation and lasting performance. Choose if you are looking for an effective wheel end solution at a perfect price-quality ratio.

National selects only sturdy materials to ensure every product delivers long-lasting durability. Sealing Material: Polyacrylamide. This product is made of high-quality materials to serve you for years come. Shaft Seal by National.

part #: 475003n prices

• $11.99-$19.82

specifications manutransmission:

• brand: National
• mpn: 475003n
• part type: Seal Shaft
• product type: Transmission
• upc: 724956142170
• fitment type: Direct Replacement
• partslink number: 19761d, 310515r91, 596312c91, 296509c1, 53715v, 291222c91
• product subtype: Transmission Shafts Gears
• product details: Automatic Transmission Main Shaft Seal
• department: Replacement

shipping manutransmission:

• transit: 4-8 Days
• class: Standard
• carrier: FedEx
• cost: $19.73
• type: Calculated
• service: FedEx Ground / FedEx Home Delivery

payments manutransmission:

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

returns manutransmission:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

general manutransmission:

• condition: New
• Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission Parts

seller manutransmission:

• # reviews: 370622
• rating: 99.0%
• city: Fort Smith, Arkansas

offer manutransmission:

• sold: 0
• quantity: 5
• started: April 30, 2026
• options: Ship-to-home
• availability: In Stock

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