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FAG SS2955 Differential Pinion Seal - Rear or Rear Rearward
Overview of FAG Differential Pinion Seal SS2955
The FAG SS2955 differential pinion seal is engineered for reliable sealing performance in Cadillac vehicles, specifically designed for models like the Commercial Chassis and DeVille. This seal helps maintain optimal differential function by preventing fluid leaks and contamination.
- Seal Type: Rubber with spring and inner shell construction
- Sealing Material: Durable nitrile compound
- Bore Diameter: Approximately 3.744 inches (95.1 mm)
- Seal Outside Diameter: Approximately 3.749 inches (95.2 mm)
- Seal Width: 1.875 inches (10.922 mm)
Technical Details and Specifications
The FAG SS2955 differential pinion seal features a rubber seal type enhanced with a spring and inner shell to ensure consistent contact and sealing pressure. The nitrile sealing material offers resistance to oils and automotive fluids, making it suitable for driveline applications. With precise bore and outside diameters, this seal fits tightly within the differential housing to prevent leaks. The 1.875-inch width provides adequate surface area for sealing without compromising fitment.
Compatible Cadillac Models and Applications
This differential pinion seal is compatible with Cadillac Commercial Chassis and DeVille models, making it a suitable replacement part for maintaining driveline integrity. The part number SS2955 corresponds directly to these applications, ensuring proper fit and function in the differential assembly.
- Prevents differential fluid leaks
- Protects differential components from dirt and debris
- Maintains proper lubrication within the differential
- Reduces risk of premature wear on pinion bearings
- Helps maintain drivetrain performance and reliability
Installation Notes and Tips
When installing the FAG SS2955 differential pinion seal, ensure the differential housing bore is clean and free of debris. Proper alignment during installation is critical to avoid seal damage. Use appropriate tools to press the seal evenly into place without distortion. Verify the seal’s spring and inner shell are correctly positioned to maintain sealing pressure.
Quality Assurance and Warranty
FAG manufactures the SS2955 differential pinion seal to meet industry standards for durability and performance. The use of nitrile sealing material and robust construction supports long service life under typical operating conditions. Warranty details should be confirmed with the supplier or manufacturer, as they may vary.
| Brand | FAG |
| Part Number | SS2955 |
| 4053 | 1.875 |
| 4053 | 47.625 |
| Seal Type | Rubber; spring; inner shell |
| Sealing Material | Nitrile |
| Bore Diameter | 3.744 |
| Bore Diameter | 95.098 |
| Seal Outside Diameter | 3.749 |
| Seal Outside Diameter | 95.225 |
| Seal Width | 1.875 |
| Seal Width | 10.922 |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1959 | Cadillac | Commercial Chassis | Rear | w/o Carrier No. 1473735 and 1473782; Schaeffler Seal Global Number 413 2955 100 |
| 1959 | Cadillac | DeVille | Rear | w/o Carrier No. 1473735 and 1473782; Schaeffler Seal Global Number 413 2955 100 |
| 1958 | Cadillac | Commercial Chassis | Rear | w/o Carrier No. 1473735 and 1473782; Schaeffler Seal Global Number 413 2955 100 |
| 1958 | Cadillac | DeVille | Rear | w/o Carrier No. 1473735 and 1473782; Schaeffler Seal Global Number 413 2955 100 |
| 1957 | Cadillac | Commercial Chassis | Rear | w/o Carrier No. 1473735 and 1473782; Schaeffler Seal Global Number 413 2955 100 |
| 1957 | Cadillac | DeVille | Rear | w/o Carrier No. 1473735 and 1473782; Schaeffler Seal Global Number 413 2955 100 |
| 1956 | Cadillac | Commercial Chassis | Rear | Schaeffler Seal Global Number 413 2955 100 |
| 1956 | Cadillac | DeVille | Rear | Schaeffler Seal Global Number 413 2955 100 |
| 1955 | Cadillac | Commercial Chassis | Rear | Schaeffler Seal Global Number 413 2955 100 |
| 1955 | Cadillac | DeVille | Rear | Schaeffler Seal Global Number 413 2955 100 |
| 1954 | Cadillac | Commercial Chassis | Rear | Schaeffler Seal Global Number 413 2955 100 |
| 1954 | Cadillac | DeVille | Rear | Schaeffler Seal Global Number 413 2955 100 |
| 1953 | Cadillac | Commercial Chassis | Rear | Schaeffler Seal Global Number 413 2955 100 |
| 1953 | Cadillac | DeVille | Rear | Schaeffler Seal Global Number 413 2955 100 |
| 1952 | Cadillac | Commercial Chassis | Rear | Diff. Hsg.,w/Cup Type Plug In Yoke End of Carrier; Schaeffler Seal Global Number 413 2955 100 |
| 1951 | Cadillac | Commercial Chassis | Rear | Diff. Hsg.,w/Cup Type Plug In Yoke End of Carrier; Schaeffler Seal Global Number 413 2955 100 |
| 1950 | Cadillac | Commercial Chassis | Rear | Diff. Hsg.,w/Cup Type Plug In Yoke End of Carrier; Schaeffler Seal Global Number 413 2955 100 |
| 1949 | Cadillac | Commercial Chassis | Rear | Diff. Hsg.,w/Cup Type Plug In Yoke End of Carrier; Schaeffler Seal Global Number 413 2955 100 |
| 1948 | Cadillac | Commercial Chassis | Rear | Diff. Hsg.,w/Cup Type Plug In Yoke End of Carrier; Schaeffler Seal Global Number 413 2955 100 |
| 1947 | Cadillac | Commercial Chassis | Rear | Diff. Hsg.,w/Cup Type Plug In Yoke End of Carrier; Schaeffler Seal Global Number 413 2955 100 |
| 1946 | Cadillac | Commercial Chassis | Rear | Diff. Hsg.,w/Cup Type Plug In Yoke End of Carrier; Schaeffler Seal Global Number 413 2955 100 |
* 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.