



🛠️ Seal the deal with confidence—precision engineered for pros who demand reliability.
The National 370001A Wheel Seal is a high-performance, unitized oil bath seal designed for heavy-duty trucks including Isuzu, Chevrolet, and GMC models from 1997 to 2011. Featuring abrasion-resistant nitrile rubber, patented SURE-LOCK ribs, and a spring-loaded main lip, it delivers superior sealing under extreme temperatures ranging from -40°F to 225°F. Its durable alloy steel construction ensures long-lasting protection and easy installation, making it the go-to choice for professional-grade vehicle maintenance.
| Material | Alloy Steel, Nitrile Rubber |
| Item Diameter | 4.85 Inches |
| Brand | National |
| Color | black |
| Temperature Range | 225 Degrees Fahrenheit |
| UPC | 724956106639 |
| Manufacturer | National |
| Unit Count | 1.0 Count |
| Global Trade Identification Number | 00724956106639 |
| Model | 370001A |
| Item Weight | 8.1 ounces |
| Country of Origin | China |
| Item model number | 370001A |
| Manufacturer Part Number | 370001A |
C**.
Brand and price.
We only use National brand. Price was less than parts stores.
P**N
Five Stars
Excellent
K**H
Five Stars
Very Satisfied
A**Z
Not good
Wheel Seals came damaged and very dirty.
L**A
Wheel Seal
I couldn't find this seal local. I found it on amazon. It was a perfect fit and it is durable. Easy to install as well.
Trustpilot
2 weeks ago
2 months ago