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National 470460 Automatic Transmission Oil Pump Seal - Front
| Brand | National 470460 |
|---|---|
| Position | Front |
| Footnote | Zero Duplication Part |
| Housing Bore (Inch) | 2.561 |
| Housing Bore (MM) | 65.050 |
| Inside Diameter | 1.687 |
| Inside Diameter | 42.850 |
| Material | Nitrile |
| Outside Diameter | 2.565 |
| Outside Diameter | 65.150 |
| Outside Diameter (Inch) | 2.565 |
| Outside Diameter (mm) | 65.150 |
| Part Description | Oil Seal |
| Redicoat | Yes |
| Sealing Material | Nitrile |
| Series | 470000 |
| Shaft (Inch) | 1.687 |
| Shaft (MM) | 42.850 |
| Thickness | 0.500 |
| Thickness | 12.700 |
| Type | 47 |
| Unit of Dimension | Inch |
| Width (Inch) | 0.500 |
| Width (mm) | 12.700 |
| Fits | Toyota and Toyopet · 11 vehicles |
Zero duplication part. Helps simplify service with a direct replacement seal.
Nitrile sealing material. Provides dependable resistance for transmission sealing.
Redicoat finish. Adds a protective coating for easier installation.
Cross-references National 470460, SKF 550244 and 0704-J499 for the same application. See all 7.
Automatic Transmission Oil Pump Seal for Toyota
The National 470460 automatic transmission oil pump seal is built for front-position applications on select Toyota models with the Aisin A20 transmission. It uses nitrile sealing material and a Redi-Coat finish to support a reliable seal at the pump interface.
- Automatic transmission oil pump seal for front installation
- Nitrile sealing material for transmission fluid sealing performance
- Redi-Coat finish
- Inside diameter: 1.687 in. / 42.850 mm
- Outside diameter: 2.565 in. / 65.150 mm
- Width: 0.500 in. / 12.700 mm
- Housing bore: 2.561 in. / 65.050 mm
- Zero duplication part
Fitment and Application Details
Compatible with 1968-1974 Toyota Corolla, front, with Aisin A20 transmission. Compatible with 1967-1970 Toyota Corona, front, with Aisin A20 transmission. The National 470460 is also cross-referenced to SKF 550244 for the same application.
National has supplied sealing solutions for more than 75 years, and this oil seal reflects that focus on dimensional accuracy and material selection. The 470460 is part of the 470000 series and is identified as Type 47, making it a direct-fit service part for the listed Toyota Corolla and Toyota Corona applications.
Common Repair Uses
- Replacing a leaking automatic transmission oil pump seal
- Restoring seal integrity at the transmission pump area
- Addressing fluid seepage around the front of the transmission
- Supporting proper transmission fluid retention during service
- Servicing worn or hardened original nitrile seals
Installation Notes
Verify shaft and housing bore dimensions before installation: 1.687 in. shaft diameter and 2.561 in. housing bore. Clean the sealing surface thoroughly, inspect for scoring or wear, and confirm the seal seats evenly in the pump bore. Use care during installation to avoid damaging the nitrile lip.
Quality Assurance
National designs sealing components for modern vehicle service needs and backs this part with decades of sealing-system experience. Part number 470460 is engineered to match the listed dimensions and application requirements for Toyota Corolla and Toyota Corona front pump service.
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 1974 | Toyota | Corolla | Automatic | Front | with Aisin A20 Transmission |
| 1973 | Toyota | Corolla | Automatic | Front | with Aisin A20 Transmission |
| 1972 | Toyota | Corolla | Automatic | Front | with Aisin A20 Transmission |
| 1971 | Toyota | Corolla | Automatic | Front | with Aisin A20 Transmission |
| 1970 | Toyota | Corolla | Automatic | Front | with Aisin A20 Transmission |
| 1970 | Toyota | Corona | Automatic | Front | with Aisin A20 Transmission |
| 1969 | Toyota | Corolla | Automatic | Front | with Aisin A20 Transmission |
| 1969 | Toyota | Corona | Automatic | Front | with Aisin A20 Transmission |
| 1968 | Toyota | Corolla | Automatic | Front | with Aisin A20 Transmission |
| 1968 | Toyota | Corona | Automatic | Front | with Aisin A20 Transmission |
| 1967 | Toyota | Corona | Automatic | Front | with Aisin A20 Transmission |
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