National Wheel Seal 380003A Heavy Duty PTFE Design for Isuzu

Description

Product Overview

The National 380003A wheel seal is engineered for heavy‑duty truck applications, offering a patented bi‑directional sealing lip and a proprietary PTFE compound that endures temperatures from -100°F to 450°F. Measuring 6.63 x 1.38 x 6.63 inches and weighing 1.15 pounds, this painted‑exterior seal fits the center position of wheel bearings, providing superior debris exclusion with its triple‑barrier system.

Usage

Designed for Isuzu FTR, FVR, HTR, HVR models and Chevrolet C6500, C7500, T6500, and Kodiak series, the seal excels in harsh environments such as construction sites, off‑road hauling, and extreme weather conditions. It is ideal for fleet maintenance, aftermarket replacements, and OEM service intervals where reliability and low friction are critical.

Why Choose Us

National combines decades of automotive expertise with cutting‑edge material science. The 380003A seal undergoes rigorous quality testing, ensuring consistent performance and a 4.5‑star rating from over 40 verified customers. Its PTFE formulation reduces wear, while the lay‑down sealing lip maintains contact during wheel end movement, delivering longer service intervals and reduced downtime.

Key Features

• Advanced PTFE compound for low friction and high temperature tolerance
• Triple barrier system eliminates debris ingress
• Patented bi‑directional sealing lip enhances sealing surface
• Fits a wide range of Isuzu and Chevrolet truck models
• Painted exterior resists corrosion and extends seal life

FAQ

What vehicles are compatible with the 380003A seal?

The seal fits 1995‑2011 Isuzu FTR, 1995‑2004 Isuzu FVR, 2005‑2007 Isuzu HTR, 2005‑2008 Isuzu HVR, and 1997‑2009 Chevrolet C6500, C7500, T6500, and Kodiak series trucks.

Can this seal be used with mixed lubricants?

Yes, the proprietary PTFE compound is compatible with mixed lubricants, providing reliable sealing even when different grease types are present.

How does the triple barrier system work?

The system incorporates three layers of sealing material that work together to block dust, water, and road debris, ensuring a tight seal under extreme conditions.

Is the seal suitable for extreme temperature applications?

Absolutely. It operates safely from -100°F (-73°C) up to 450°F (232°C), making it ideal for both cold climates and high‑heat environments.

What is the warranty on this wheel seal?

National offers a limited warranty covering manufacturing defects for a period of one year from the date of purchase.