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National 450776 Wheel Seal - Rear Inner
National 450776 Wheel Seal Overview
The National 450776 wheel seal is engineered for reliable driveline sealing in select Chrysler and Dodge vehicles. Designed with nitrile material and precise dimensions, this oil seal ensures effective protection against leaks and contamination in your vehicle's axle assembly.
- Inside diameter: 1.375 inches (34.930 mm)
- Outside diameter: 2.690 inches (68.330 mm)
- Width: 0.500 inches (12.700 mm)
- Material: Durable nitrile rubber
- Redicoat finish for enhanced corrosion resistance
- Housing bore: 2.686 inches (68.220 mm)
- Series: 450000, Type 45 oil seal
- Zero duplication part ensuring unique fitment
Technical Details and Specifications
The National 450776 wheel seal is part of the 450000 series, designed specifically for driveline and axle sealing applications. Constructed from nitrile, this oil seal offers resistance to oil, grease, and other automotive fluids, maintaining a secure seal around the axle shaft. The Redicoat coating provides additional protection against corrosion, extending the service life of the seal. With an inside diameter of 1.375 inches and an outside diameter of 2.690 inches, it fits precisely within the housing bore of 2.686 inches, ensuring a tight and reliable fit.
Compatible Vehicles and Applications
This wheel seal is compatible with various Chrysler and Dodge models, including the Chrysler 300, Dart, Imperial, Newport, New Yorker, and Town & Country, as well as the Dodge Lancer. The National 450776 is designed to meet the specific sealing requirements of these vehicles' driveline and axle assemblies, providing dependable performance in both passenger cars and light trucks.
Common Issues Addressed by the National 450776 Wheel Seal
- Prevents axle oil leaks that can cause driveline damage
- Protects against dirt and debris contamination in the axle housing
- Reduces premature wear of axle components due to fluid loss
- Maintains proper lubrication within the axle assembly
- Helps avoid costly repairs related to seal failure
Installation Notes and Tips
When installing the National 450776 wheel seal, ensure the axle shaft and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip. Verify the seal orientation matches the original part, with the Redicoat side facing outward for corrosion protection. Proper installation will help maintain the seal's integrity and extend its service life.
Quality Assurance and Warranty
National wheel seals are manufactured to meet industry standards for durability and performance. The 450776 part number is a zero duplication part, ensuring authenticity and precise fitment. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, providing confidence in the product's quality and reliability.
| Brand | National |
|---|---|
| Part Number | 450776 |
| Footnote | Zero Duplication Part |
| Housing Bore (Inch) | 2.686 |
| Housing Bore (MM) | 68.220 |
| Inside Diameter | 1.375 |
| Inside Diameter | 34.930 |
| Material | Nitrile |
| Outside Diameter | 2.690 |
| Outside Diameter | 68.330 |
| Outside Diameter (Inch) | 2.690 |
| Outside Diameter (mm) | 68.330 |
| Part Description | Oil Seal |
| Redicoat | Yes |
| Series | 450000 |
| Shaft (Inch) | 1.375 |
| Shaft (MM) | 34.930 |
| Type | 45 |
| Unit of Dimension | Inch |
| Width (Inch) | 0.500 |
| Width (mm) | 12.700 |
This part fits 36 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1964 | Dodge | Dart | Rear Inner | Except Posi-Trac |
| 1963 | Dodge | Dart | Rear Inner | Except Posi-Trac |
| 1962 | Dodge | Dart | Rear Inner | Except Posi-Trac |
| 1962 | Dodge | Lancer | Rear Inner | Except Posi-Trac |
| 1961 | Dodge | Dart | Rear Inner | Except Posi-Trac |
| 1961 | Dodge | Lancer | Rear Inner | Except Posi-Trac |
| 1960 | Dodge | Dart | Rear Inner | Except Posi-Trac |
| 1956 | Chrysler | 300 | Rear Inner | Except Heavy Duty Axle |
| 1956 | Chrysler | Imperial | Rear Inner | Except Heavy Duty Axle |
| 1956 | Chrysler | New Yorker | Rear Inner | Except Heavy Duty Axle |
| 1956 | Chrysler | Newport | Rear Inner | Except Heavy Duty Axle |
| 1956 | Chrysler | Town & Country | Rear Inner | Except Heavy Duty Axle |
| 1955 | Chrysler | 300 | Rear Inner | Except Heavy Duty Axle |
| 1955 | Chrysler | Imperial | Rear Inner | Except Heavy Duty Axle |
| 1955 | Chrysler | New Yorker | Rear Inner | Except Heavy Duty Axle |
| 1955 | Chrysler | Newport | Rear Inner | Except Heavy Duty Axle |
| 1955 | Chrysler | Town & Country | Rear Inner | Except Heavy Duty Axle |
| 1954 | Chrysler | Imperial | Rear Inner | Except Heavy Duty Axle |
| 1954 | Chrysler | New Yorker | Rear Inner | Except Heavy Duty Axle |
| 1954 | Chrysler | Newport | Rear Inner | Except Heavy Duty Axle |
| 1954 | Chrysler | Town & Country | Rear Inner | Except Heavy Duty Axle |
| 1953 | Chrysler | Imperial | Rear Inner | Except Heavy Duty Axle |
| 1953 | Chrysler | New Yorker | Rear Inner | Except Heavy Duty Axle |
| 1953 | Chrysler | Newport | Rear Inner | Except Heavy Duty Axle |
| 1953 | Chrysler | Town & Country | Rear Inner | Except Heavy Duty Axle |
| 1952 | Chrysler | Imperial | Rear Inner | Except Heavy Duty Axle |
| 1952 | Chrysler | New Yorker | Rear Inner | Except Heavy Duty Axle |
| 1952 | Chrysler | Newport | Rear Inner | Except Heavy Duty Axle |
| 1952 | Chrysler | Town & Country | Rear Inner | Except Heavy Duty Axle |
| 1951 | Chrysler | Imperial | Rear Inner | Except Heavy Duty Axle |
| 1951 | Chrysler | New Yorker | Rear Inner | Except Heavy Duty Axle |
| 1951 | Chrysler | Newport | Rear Inner | Except Heavy Duty Axle |
| 1951 | Chrysler | Town & Country | Rear Inner | Except Heavy Duty Axle |
| 1950 | Chrysler | New Yorker | Rear Inner | Except Heavy Duty Axle |
| 1950 | Chrysler | Newport | Rear Inner | Except Heavy Duty Axle |
| 1950 | Chrysler | Town & Country | Rear Inner | Except Heavy Duty Axle |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.