OE Quality
60-Day Returns

FAG SS2791 Automatic Transmission Oil Pump Seal - Front, Rear or Rear Inner
Reliable Automatic Transmission Oil Pump Seal for Buick, Cadillac, and Ford
The FAG SS2791 automatic transmission oil pump seal is engineered to provide precise sealing performance for select Buick, Cadillac, and Ford models. Designed with durable nitrile sealing material and a metal spring seal type, this component ensures effective oil retention and transmission reliability.
- Seal Type: Metal with spring for secure fit and durability
- Sealing Material: Nitrile for resistance to heat and oil degradation
- Bore Diameter: 2.502 inches (63.551 mm) for accurate fitment
- Seal Outside Diameter: 2.506 inches (63.652 mm) ensuring tight sealing
- Seal Width: 1.75 inches (9.423 mm) for optimal sealing surface
Technical Details and Specifications
The FAG SS2791 automatic transmission oil pump seal features a metal spring design that maintains consistent pressure against the bore, preventing leaks and maintaining transmission fluid integrity. The nitrile sealing material offers excellent resistance to transmission fluids and high operating temperatures, making it suitable for demanding automotive environments. With precise bore and outside diameters, this seal fits tightly within the transmission assembly, reducing the risk of fluid loss and component wear.
Compatible Vehicles and Applications
This transmission oil pump seal is compatible with various Buick, Cadillac, and Ford vehicles, including Buick Century, LeSabre, and Riviera; Cadillac DeVille and Roadmaster; and Ford Econoline, F-350, and Commercial Chassis models. The part number SS2791 ensures correct fitment for these specific applications, supporting reliable transmission operation.
- Prevents transmission fluid leaks in automatic transmission oil pumps
- Reduces risk of transmission overheating due to fluid loss
- Maintains hydraulic pressure for smooth gear shifting
- Protects transmission components from contamination
- Addresses seal wear and degradation in older transmissions
Installation Notes and Tips
When installing the FAG SS2791 seal, ensure the transmission housing bore is clean and free of debris. Use appropriate tools to avoid damaging the seal during installation. Verify the seal orientation matches the original part to maintain proper sealing function. It is recommended to inspect related transmission components for wear during replacement.
Quality Assurance and Warranty
FAG manufactures the SS2791 seal to meet stringent automotive standards, ensuring consistent performance and durability. The use of high-quality nitrile material and metal spring construction supports long service life under normal operating conditions. Warranty details are provided by the manufacturer and should be consulted for specific coverage information.
| Brand | FAG |
| Part Number | SS2791 |
| 4053 | 1.75 |
| 4053 | 44.45 |
| Seal Type | Metal; spring |
| Sealing Material | Nitrile |
| Bore Diameter | 2.502 |
| Bore Diameter | 63.551 |
| Seal Outside Diameter | 2.506 |
| Seal Outside Diameter | 63.652 |
| Seal Width | 1.75 |
| Seal Width | 9.423 |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1978 | Ford | F-350 | Front | Clark Trans.; 5 Spd.; Schaeffler Seal Global Number 413 2791 100 |
| 1977 | Ford | F-350 | Front | Clark Trans.; 5 Spd.; Schaeffler Seal Global Number 413 2791 100 |
| 1976 | Ford | F-350 | Front | Clark Trans.; 5 Spd.; Schaeffler Seal Global Number 413 2791 100 |
| 1975 | Ford | F-350 | Front | Clark Trans.; 5 Spd.; Schaeffler Seal Global Number 413 2791 100 |
| 1974 | Ford | F-350 | Front | Clark Trans.; 5 Spd.; Schaeffler Seal Global Number 413 2791 100 |
| 1973 | Ford | F-350 | Front | Clark Trans.; 5 Spd.; Schaeffler Seal Global Number 413 2791 100 |
| 1967 | Ford | Econoline | Front | Schaeffler Seal Global Number 413 2791 100 |
| 1963 | Buick | LeSabre | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1963 | Buick | Riviera | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1962 | Buick | LeSabre | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1961 | Buick | LeSabre | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1960 | Buick | LeSabre | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1959 | Buick | LeSabre | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1958 | Buick | Century | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1958 | Buick | Roadmaster | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1957 | Buick | Century | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1957 | Buick | Roadmaster | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1956 | Buick | Century | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1956 | Buick | Roadmaster | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1955 | Buick | Century | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1955 | Buick | Roadmaster | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1954 | Buick | Century | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1954 | Buick | Roadmaster | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1953 | Buick | Roadmaster | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1953 | Cadillac | Commercial Chassis | N/A | Dynaflow Transmission; Schaeffler Seal Global Number 413 2791 100 |
| 1953 | Cadillac | DeVille | N/A | Dynaflow Transmission; Schaeffler Seal Global Number 413 2791 100 |
| 1952 | Buick | Roadmaster | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1951 | Buick | Roadmaster | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 100 |
| 1950 | Buick | Roadmaster | N/A | w/o Triple Turbine Trans.; Schaeffler Seal Global Number 413 2791 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.