Rear Transfer Case Output Shaft Seal for 1973-1974 GMC K15/K1500 Pickup & More - Schaeffler SS3123

$16.99

Vehicles this part fits

    Part number: SS3123
    UPC: 670774285592
    Condition: New
    Weight: 0.14 LBS
    Item Package Quantity: 1
    $16.99
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    Schaeffler Transfer Case Output Shaft Seal P/N:SS3123
    Schaeffler Transfer Case Output Shaft Seal P/N:SS3123
    $16.99
    $16.99

    Help keep lubricant inside the transfer case and road grime out with the Schaeffler Transfer Case Output Shaft Seal SS3123. This rear output shaft seal is a direct-fit replacement for the 1973-1974 GMC K15/K1500 Pickup and Suburban, K25/K2500 Pickup and Suburban, and K35/K3500 Pickup. See the "Vehicles it fits" section for engine-specific details.

    The seal body stays stationary in the transfer case housing while its lip rides against the turning output shaft. This forms a barrier designed to hold lubricant in and keep contaminants away from the shaft and internal components.

    • OE expertise: Designed and built to meet stringent OEM standards for assured quality.
    • Durable design: Backed by a robust quality assurance process that accounts for the precise requirements of automotive systems.
    • Quality materials: Engineered with high-quality materials to meet vehicle manufacturer specifications and Schaeffler's own quality standards.
    • Contamination protection: Intended to keep dirt, dust, and moisture away from the components behind the seal.

    Signs this seal may need replacing include fluid seeping or dripping from the rear of the transfer case, an oily film around the rear output area, or a transfer case fluid level that keeps dropping. Other seals and gaskets can leak in the same area, so diagnose the leak source before replacing.

    Interchange: 413470 · 21352 · 4133123100

    This part cross-references / interchanges with the following part numbers:

    413470, 21352, 4133123100

    Frequently Asked Questions

    What vehicles does the Schaeffler SS3123 fit?

    It fits the 1973-1974 GMC K15/K1500 Pickup and Suburban, the K25/K2500 Pickup and Suburban, and the K35/K3500 Pickup. See the "Vehicles it fits" section for engine details.

    Where does this seal install?

    It is a rear transfer case output shaft seal. It seats in the transfer case housing, and its lip rides on the rotating output shaft to hold lubricant in.

    What are signs this seal may need replacing?

    Signs include fluid seeping or dripping from the rear of the transfer case, oily residue near the output shaft, or a steadily dropping fluid level. Confirm the leak source first.

    What part numbers does SS3123 interchange with?

    It interchanges with 413470, 21352, and 4133123100.

    Is this seal built to OEM standards?

    Schaeffler states the seal is designed and built to meet stringent OEM standards, backed by a robust quality assurance process that accounts for the precise requirements of automotive systems.

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