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National 203008 Wheel Seal - Front Inner
| Brand | National 203008 |
|---|---|
| Position | Front Inner |
| Inside Diameter | 1.687 |
| Inside Diameter | 42.850 |
| Outside Diameter | 2.332 |
| Outside Diameter | 59.230 |
| Housing Bore (Inch) | 2.327 |
| Housing Bore (MM) | 59.110 |
| Material | Nitrile |
| Outside Diameter (Inch) | 2.332 |
| Outside Diameter (mm) | 59.230 |
| Part Description | Oil seal |
| Series | 203000 |
| Shaft (Inch) | 1.687 |
| Shaft (MM) | 42.850 |
| Type | 203 |
| Unit of Dimension | Inch |
| Width (Inch) | 0.500 |
| Width (mm) | 12.700 |
| Fits | Checker, Hudson, and Nash · 28 vehicles |
Nitrile construction. Provides dependable sealing material for driveline service.
Precision dimensions. 1.687-inch shaft and 2.332-inch outside diameter for accurate fit.
Series 203000. Part of National's sealing line for classic service applications.
Cross-references Dorman - HELP 47319, National 203008 and SKF 16667 for the same application. See all 9.
Wheel Seal for Classic Front Inner Applications
National 203008 is a wheel seal built for classic driveline sealing applications where the shaft and housing dimensions must match precisely. It uses nitrile material and a compact 0.500-inch width to help maintain a reliable seal in older vehicle assemblies.
Key Features
- Nitrile construction for sealing performance in driveline service.
- 1.687-inch shaft diameter and 2.332-inch outside diameter for dimensional match-up.
- 0.500-inch width for compact installation requirements.
- Part of National Series 203000.
- Cross-references Dorman - HELP 47319 and SKF 16667 for the same application.
Detailed Description
This National wheel seal, part number 203008, is an oil seal style component used in front inner wheel positions on select Checker, Hudson, and Nash vehicles. It is specified with a 1.687-inch inside diameter, 2.332-inch outside diameter, and 0.500-inch width, with a 2.327-inch housing bore listed for fitment reference. The National 203008 is a practical sealing solution for restorations and maintenance work where correct dimensions are critical. Compatible With 1960-1964 Checker Marathon and Superba, 1955-1957 Hudson Hornet, Hornet Special, Rambler, and Wasp, plus 1955-1957 Nash Ambassador Custom, Ambassador Super, Rambler, Statesman, and 1956 Nash Ambassador Special. This part number 203008 is also referenced by other catalog listings for the same application.
What It Is Used For
- Sealing wheel hub assemblies against lubricant leakage.
- Replacing worn or hardened seal material.
- Restoring proper sealing in older front inner wheel service points.
- Addressing contamination from road debris and moisture intrusion.
Installation Notes and Tips
Verify shaft, housing bore, and width dimensions before installation. Clean the sealing surfaces thoroughly and inspect the mating components for wear or scoring that could affect seal life. Confirm the application is a front inner wheel seal before ordering.
Quality Assurance
National has supplied premium sealing solutions for more than 75 years and continues to develop sealing products for modern and legacy vehicle service needs.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1964 | Checker | Marathon | Front Inner | — |
| 1963 | Checker | Marathon | Front Inner | — |
| 1963 | Checker | Superba | Front Inner | — |
| 1962 | Checker | Marathon | Front Inner | — |
| 1962 | Checker | Superba | Front Inner | — |
| 1961 | Checker | Marathon | Front Inner | — |
| 1961 | Checker | Superba | Front Inner | — |
| 1960 | Checker | Superba | Front Inner | — |
| 1957 | Hudson | Hornet | Front Inner | — |
| 1957 | Nash | Ambassador Custom | Front Inner | — |
| 1957 | Nash | Ambassador Super | Front Inner | — |
| 1957 | Nash | Rambler | Front Inner | — |
| 1956 | Hudson | Hornet | Front Inner | — |
| 1956 | Hudson | Hornet Special | Front Inner | — |
| 1956 | Hudson | Rambler | Front Inner | — |
| 1956 | Hudson | Wasp | Front Inner | — |
| 1956 | Nash | Ambassador Custom | Front Inner | — |
| 1956 | Nash | Ambassador Special | Front Inner | — |
| 1956 | Nash | Ambassador Super | Front Inner | — |
| 1956 | Nash | Rambler | Front Inner | — |
| 1956 | Nash | Statesman | Front Inner | — |
| 1955 | Hudson | Hornet | Front Inner | — |
| 1955 | Hudson | Rambler | Front Inner | — |
| 1955 | Hudson | Wasp | Front Inner | — |
| 1955 | Nash | Ambassador Custom | Front Inner | — |
| 1955 | Nash | Ambassador Super | Front Inner | — |
| 1955 | Nash | Rambler | Front Inner | — |
| 1955 | Nash | Statesman | Front Inner | — |
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