HomeDriveline and Axles > Gaskets and Sealing SystemsFAG SS2955 Differential Pinion Seal - Rear or Rear Rearward
Part #: SS2955

FAG SS2955 Differential Pinion Seal - Rear or Rear Rearward

Rear and Rear Rearward
⚙️ 21 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, Commercial Chassis and DeVille
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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.

BrandFAG
Part NumberSS2955
40531.875
405347.625
Seal TypeRubber; spring; inner shell
Sealing MaterialNitrile
Bore Diameter3.744
Bore Diameter95.098
Seal Outside Diameter3.749
Seal Outside Diameter95.225
Seal Width1.875
Seal Width10.922

This part fits 21 vehicles. Search below:

YearMakeModelPositionNotes
1959CadillacCommercial ChassisRearw/o Carrier No. 1473735 and 1473782; Schaeffler Seal Global Number 413 2955 100
1959CadillacDeVilleRearw/o Carrier No. 1473735 and 1473782; Schaeffler Seal Global Number 413 2955 100
1958CadillacCommercial ChassisRearw/o Carrier No. 1473735 and 1473782; Schaeffler Seal Global Number 413 2955 100
1958CadillacDeVilleRearw/o Carrier No. 1473735 and 1473782; Schaeffler Seal Global Number 413 2955 100
1957CadillacCommercial ChassisRearw/o Carrier No. 1473735 and 1473782; Schaeffler Seal Global Number 413 2955 100
1957CadillacDeVilleRearw/o Carrier No. 1473735 and 1473782; Schaeffler Seal Global Number 413 2955 100
1956CadillacCommercial ChassisRearSchaeffler Seal Global Number 413 2955 100
1956CadillacDeVilleRearSchaeffler Seal Global Number 413 2955 100
1955CadillacCommercial ChassisRearSchaeffler Seal Global Number 413 2955 100
1955CadillacDeVilleRearSchaeffler Seal Global Number 413 2955 100
1954CadillacCommercial ChassisRearSchaeffler Seal Global Number 413 2955 100
1954CadillacDeVilleRearSchaeffler Seal Global Number 413 2955 100
1953CadillacCommercial ChassisRearSchaeffler Seal Global Number 413 2955 100
1953CadillacDeVilleRearSchaeffler Seal Global Number 413 2955 100
1952CadillacCommercial ChassisRearDiff. Hsg.,w/Cup Type Plug In Yoke End of Carrier; Schaeffler Seal Global Number 413 2955 100
1951CadillacCommercial ChassisRearDiff. Hsg.,w/Cup Type Plug In Yoke End of Carrier; Schaeffler Seal Global Number 413 2955 100
1950CadillacCommercial ChassisRearDiff. Hsg.,w/Cup Type Plug In Yoke End of Carrier; Schaeffler Seal Global Number 413 2955 100
1949CadillacCommercial ChassisRearDiff. Hsg.,w/Cup Type Plug In Yoke End of Carrier; Schaeffler Seal Global Number 413 2955 100
1948CadillacCommercial ChassisRearDiff. Hsg.,w/Cup Type Plug In Yoke End of Carrier; Schaeffler Seal Global Number 413 2955 100
1947CadillacCommercial ChassisRearDiff. Hsg.,w/Cup Type Plug In Yoke End of Carrier; Schaeffler Seal Global Number 413 2955 100
1946CadillacCommercial ChassisRearDiff. 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:

189484132955100

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.