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National 711046 Drive Axle Shaft Seal - Front
Overview of National 711046 Drive Axle Shaft Seal
The National 711046 drive axle shaft seal is engineered to provide reliable sealing performance for driveline applications. Designed with a bi-directional lip helix and constructed from durable nitrile material, this oil seal is suitable for vehicles requiring precise fitment with a 1.969 inch (50 mm) shaft diameter.
- Material: Nitrile for resistance to oil and wear
- Bi-directional lip helix design for enhanced sealing
- Housing bore diameter: 3.150 inches (80.000 mm)
- Outside diameter: 3.158 inches (80.200 mm)
- Overall width with side lip: 0.689 inches (17.500 mm)
- Shaft diameter compatibility: 1.969 inches (50.000 mm)
- Width: 0.472 inches (12.000 mm)
- Part number: 711046, Series 711000
Detailed Product Description
The National 711046 drive axle shaft seal is part of the 711000 series, designed specifically for driveline and axle sealing applications. Its nitrile construction offers resistance to petroleum-based fluids and provides durability under typical operating temperatures. The bi-directional lip helix design improves sealing efficiency by preventing oil leakage in both rotational directions, making it suitable for a variety of axle shaft configurations. With precise dimensions including an 80 mm housing bore and a 50 mm shaft diameter, this seal ensures a secure fit and reliable performance in compatible vehicles.
Applications and Problem Solving
- Prevents oil leaks from the drive axle shaft housing
- Protects driveline components from dirt and contaminants
- Maintains proper lubrication within axle assemblies
- Reduces wear on axle shaft bearings and seals
- Helps avoid costly driveline repairs due to seal failure
Installation Notes and Tips
When installing the National 711046 drive axle shaft seal, ensure the housing bore and shaft dimensions match the specified measurements for optimal fit. Clean the sealing surfaces thoroughly before installation to prevent contamination. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lips. Verify the bi-directional lip orientation aligns with the shaft rotation to maximize sealing effectiveness.
Quality Assurance and Warranty
National manufactures the 711046 seal to meet industry standards for durability and performance. The nitrile material and design features are tested to withstand typical automotive operating conditions. While specific warranty details are not provided, National products generally adhere to quality control processes to ensure reliability in driveline sealing applications.
| Brand | National |
|---|---|
| Part Number | 711046 |
| Material | Nitrile |
| Helix Type | Bi-directional lip design |
| Housing Bore (Inch) | 3.150 |
| Housing Bore (MM) | 80.000 |
| Outside Diameter (Inch) | 3.158 |
| Outside Diameter (mm) | 80.200 |
| Overall Width with Side Lip (MM) | 17.500 |
| Overall Width with Side Lip (Inch) | 0.689 |
| Part Description | Oil seal |
| Series | 711000 |
| Shaft (Inch) | 1.969 |
| Shaft (MM) | 50.000 |
| Type | 40 |
| Unit of Dimension | Metric |
| Width (Inch) | 0.472 |
| Width (mm) | 12.000 |
This part fits 0 vehicles. Search below:
| Year | Make | Model | Position | Notes |
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* 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.