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National 7607 Wheel Seal - Front Inner
National 7607 Wheel Seal Overview
The National 7607 wheel seal is designed for reliable sealing performance in driveline and axle applications. Engineered with felt material, this oil seal is compatible with select Buick, Oldsmobile, and Pontiac models, including Cutlass, Firebird, and GTO.
- Inside diameter: 1.730 inches (43.940 mm)
- Outside diameter: 2.340 inches (59.440 mm)
- Housing bore: 2.336 inches (59.330 mm)
- Width: 0.280 inches (7.110 mm)
- Material: Felt
- Series: 7000
- Type: 75
Detailed Product Description
The National 7607 wheel seal is part of the 7000 series, designed to provide effective oil sealing in axle and driveline assemblies. Constructed from durable felt material, it offers a balance of flexibility and wear resistance. The seal features a precise inside diameter of 1.730 inches (43.940 mm) to fit shafts accurately, while the outside diameter of 2.340 inches (59.440 mm) ensures a secure fit within the housing bore of 2.336 inches (59.330 mm). With a width of 0.280 inches (7.110 mm), this oil seal maintains proper sealing pressure to prevent lubricant leakage and contamination.
Compatible Vehicles and Applications
This wheel seal is compatible with various Buick, Oldsmobile, and Pontiac models, including:
- Buick: Skylark, Starfire, and others
- Oldsmobile: Cutlass, Cutlass Supreme, Delta 88, and more
- Pontiac: Firebird, GTO, LeMans, Tempest
Use the National 7607 wheel seal to maintain driveline integrity and prevent oil leaks in these specific vehicles.
Common Issues Addressed by National 7607 Wheel Seal
- Prevents oil leakage from axle assemblies
- Reduces contamination ingress into driveline components
- Minimizes premature wear of axle shafts
- Maintains proper lubrication within wheel hubs
- Helps avoid costly driveline repairs due to seal failure
Installation Notes and Tips
- Ensure the shaft and housing bore are clean and free of debris before installation
- Use appropriate tools to avoid damaging the felt seal during installation
- Verify correct orientation of the seal to maintain oil retention
- Check for proper fitment dimensions: 1.730 inch shaft diameter and 2.336 inch housing bore
- Lubricate the seal lip lightly before installation to reduce initial wear
Quality Assurance and Warranty
National wheel seals are manufactured to meet industry standards for durability and performance. The 7607 part number undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects. Consult product documentation for exact warranty terms.
| Brand | National |
|---|---|
| Part Number | 7607 |
| Housing Bore (Inch) | 2.336 |
| Housing Bore (MM) | 59.330 |
| Inside Diameter | 1.730 |
| Inside Diameter | 43.940 |
| Material | Felt |
| Outside Diameter | 2.340 |
| Outside Diameter | 59.440 |
| Outside Diameter (Inch) | 2.340 |
| Outside Diameter (mm) | 59.440 |
| Part Description | Oil Seal |
| Series | 7000 |
| Shaft (Inch) | 1.730 |
| Shaft (MM) | 43.940 |
| Type | 75 |
| Unit of Dimension | Inch |
| Width (Inch) | 0.280 |
| Width (mm) | 7.110 |
This part fits 28 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1968 | Oldsmobile | Cutlass | Front Inner | with Drum Brakes |
| 1968 | Oldsmobile | Cutlass Supreme | Front Inner | with Drum Brakes |
| 1967 | Oldsmobile | Cutlass | Front Inner | with Drum Brakes |
| 1967 | Oldsmobile | Cutlass Supreme | Front Inner | with Drum Brakes |
| 1967 | Pontiac | Firebird | Front Inner | with Drum Brakes |
| 1967 | Pontiac | GTO | Front Inner | with Drum Brakes |
| 1967 | Pontiac | LeMans | Front Inner | with Drum Brakes |
| 1967 | Pontiac | Tempest | Front Inner | with Drum Brakes |
| 1966 | Oldsmobile | Cutlass | Front Inner | with Drum Brakes |
| 1966 | Pontiac | GTO | Front Inner | |
| 1966 | Pontiac | LeMans | Front Inner | |
| 1966 | Pontiac | Tempest | Front Inner | |
| 1965 | Oldsmobile | 98 | Front Inner | Except Heavy Duty Brakes |
| 1965 | Oldsmobile | Cutlass | Front Inner | with Drum Brakes |
| 1965 | Oldsmobile | Delta 88 | Front Inner | Except Heavy Duty Brakes |
| 1965 | Oldsmobile | Starfire | Front Inner | Except Heavy Duty Brakes |
| 1965 | Pontiac | GTO | Front Inner | |
| 1965 | Pontiac | LeMans | Front Inner | |
| 1965 | Pontiac | Tempest | Front Inner | |
| 1964 | Oldsmobile | Cutlass | Front Inner | with Drum Brakes |
| 1964 | Pontiac | GTO | Front Inner | |
| 1964 | Pontiac | LeMans | Front Inner | |
| 1964 | Pontiac | Tempest | Front Inner | |
| 1963 | Buick | Skylark | Front Inner | |
| 1963 | Oldsmobile | Cutlass | Front Inner | |
| 1962 | Buick | Skylark | Front Inner | |
| 1962 | Oldsmobile | Cutlass | Front Inner | |
| 1961 | Buick | Skylark | Front Inner |
* 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.