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SKF 25950 Automatic Transmission Seal - Front
| Brand | SKF 608265 |
|---|---|
| Air Tube Qty | None |
| Body Height (IN) | 4.25 |
| Body Length (IN) | 10 |
| Body Material | Stainless Steel |
| Body Width (IN) | 5 |
| Inlet Type A | 2.25" ID Neck |
| O2 Sensor Ports | 1 |
| O2 Sensor Ports | 1 - Driv. side |
| Outlet Type A | 2.25" ID Neck |
| Overall Length (IN) | 14 |
| Shape | Round |
| Substrate Material | Ceramic |
| Test Weight | 5.9L / 6250 |
| Type | Federal / EPA Universal |
| Fits | —18 vehicles |
Precision seal design. Made with premium materials for the right properties in its application.
Polyacrylate sealing surface. Helps keep lubricants in and contaminants out.
Transmission seal. Built for sealing performance in transmission gasket and sealing systems.
Cross-references Carlson 7103, 8L77334 and 49721 for the same application. See all 7.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
SKF 25950 Automatic Transmission Seal
SKF 25950 is an automatic transmission seal built for front-position applications in select Oldsmobile and Pontiac vehicles. It uses a polyacrylate sealing surface and precise dimensions to help maintain transmission fluid control where the shaft and seal interface must stay clean and stable.
For restorations and service work on classic Oldsmobile 88, Oldsmobile 98, and Pontiac Catalina models, this seal is specified for the front of the transmission and matches the listed shaft and outside diameter requirements.
Key Features
- Automatic transmission seal for front-position applications
- Polyacrylate sealing surface type
- Outside diameter: 3.355 in.
- Shaft diameter: 2.607 in.
- Width: 0.375 in.
- SKF part number 25950 for catalog and service reference
Fitment Details
- Fits 1956 Oldsmobile 88, front, Type R Trans.
- Fits 1956 Oldsmobile 98, front, Type R Trans.
- Fits 1950-1956 Pontiac Catalina, front, Hydramatic Trans.
- Fits 1954-1955 Oldsmobile 88, front.
- Fits 1950 Oldsmobile 88, front.
- Fits 1950-1955 Oldsmobile 98, front.
What This Seal Helps Address
- Transmission fluid seepage at the front seal area
- Contamination entering the transmission through a worn seal interface
- Leak-related fluid loss during operation
- Service replacement for aged or hardened original seals
- Fitment-specific repair needs on classic Oldsmobile and Pontiac drivetrains
Installation Notes and Tips
Confirm the transmission type before installation, especially on 1956 Oldsmobile Type R Trans. and Pontiac Hydramatic Trans. applications. Verify shaft diameter, outside diameter, and seal width against the removed part to ensure correct seating and sealing performance. Clean the sealing surface and surrounding bore thoroughly before assembly.
SKF 25950 is a direct-reference transmission seal for the listed front applications, including Oldsmobile 88, Oldsmobile 98, and Pontiac Catalina fitments. This part cross-references Carlson 7103 for the same application.
Quality Assurance
SKF has a long history in seal engineering and manufactures seals to defined application-specific dimensions using premium materials. The brand’s sealing products are built to meet high quality standards for durability and safe operation in service.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1956 | Oldsmobile | 88 | Front | Type R Trans. |
| 1956 | Oldsmobile | 98 | Front | Type R Trans. |
| 1956 | Pontiac | Catalina | Front | Hydramatic Trans. |
| 1955 | Oldsmobile | 88 | Front | — |
| 1955 | Oldsmobile | 98 | Front | — |
| 1955 | Pontiac | Catalina | Front | Hydramatic Trans. |
| 1954 | Oldsmobile | 88 | Front | — |
| 1954 | Oldsmobile | 98 | Front | — |
| 1954 | Pontiac | Catalina | Front | Hydramatic Trans. |
| 1953 | Oldsmobile | 98 | Front | — |
| 1953 | Pontiac | Catalina | Front | Hydramatic Trans. |
| 1952 | Oldsmobile | 98 | Front | — |
| 1952 | Pontiac | Catalina | Front | Hydramatic Trans. |
| 1951 | Oldsmobile | 98 | Front | — |
| 1951 | Pontiac | Catalina | Front | Hydramatic Trans. |
| 1950 | Oldsmobile | 88 | Front | — |
| 1950 | Oldsmobile | 98 | Front | — |
| 1950 | Pontiac | Catalina | Front | Hydramatic Trans. |
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