FAG SS3092 Transfer Case Output Shaft Seal - Rear

Transfer Case Output Shaft Seal for NP203 Applications

FAG SS3092 is a transfer case output shaft seal built for rear-position applications that need reliable sealing at the output shaft. It is specified for select 1974-1979 Ford, Chevrolet, GMC, and Dodge 4x4 models with New Process 203 transfer cases, including the 2nd design NP203 used in several GM trucks and SUVs.

• Seal type: metal, spring, and auxiliary lip construction
• Sealing material: nitrile for dependable fluid resistance
• Seal outside diameter: 2.754 in. / 69.952 mm
• Bore diameter: 2.75 in. / 69.85 mm
• Seal width: 2.125 in. / 53.975 mm
• Rear transfer case output shaft seal for NP203-equipped vehicles

Fitment Details

• Fits 1975-1979 Chevrolet K10, rear. New Process 203 2nd Design; Schaeffler Seal Global Number 413 3092 100.
• Fits 1974-1979 Chevrolet K10 Suburban, rear. New Process 203 2nd Design; Schaeffler Seal Global Number 413 3092 100.
• Fits 1975-1979 Chevrolet K20, rear. New Process 203 2nd Design; Schaeffler Seal Global Number 413 3092 100.
• Fits 1974-1979 Chevrolet K20 Suburban, rear. New Process 203 2nd Design; Schaeffler Seal Global Number 413 3092 100.
• Fits 1975-1979 Chevrolet K5 Blazer, rear. New Process 203 2nd Design; Schaeffler Seal Global Number 413 3092 100.
• Fits 1975-1979 Dodge Ramcharger, rear. New Process 203; Schaeffler Seal Global Number 413 3092 100.
• Fits 1977-1979 Dodge W150, rear. New Process 203; Schaeffler Seal Global Number 413 3092 100.
• Fits 1975-1979 Dodge W200, rear. New Process 203; Schaeffler Seal Global Number 413 3092 100.
• Fits 1975-1979 Dodge W300, rear. New Process 203; Schaeffler Seal Global Number 413 3092 100.
• Fits 1979 GMC C2500, rear. New Process 203 2nd Design; Schaeffler Seal Global Number 413 3092 100.
• Fits 1979 GMC K1500, rear. New Process 203 2nd Design; Schaeffler Seal Global Number 413 3092 100.
• Fits 1979 GMC K1500 Suburban, rear. New Process 203 2nd Design; Schaeffler Seal Global Number 413 3092 100.
• Fits 1979 GMC K2500, rear. New Process 203 2nd Design; Schaeffler Seal Global Number 413 3092 100.
• Fits 1979 GMC K2500 Suburban, rear. New Process 203 2nd Design; Schaeffler Seal Global Number 413 3092 100.
• Fits 1979 GMC K3500, rear. New Process 203 2nd Design; Schaeffler Seal Global Number 413 3092 100.
• Fits 1975-1978 Ford F-100, rear. New Process 203 Transfer Case; Schaeffler Seal Global Number 413 3092 100.
• Fits 1975-1978 Ford F-150, rear. New Process 203 Transfer Case; Schaeffler Seal Global Number 413 3092 100.
• Fits 1977-1978 Ford F-250, rear. New Process 203; Schaeffler Seal Global Number 413 3092 100.
• Fits 1975-1977 Dodge W100, rear. New Process 203; Schaeffler Seal Global Number 413 3092 100.

What This Seal Helps Address

• Transfer case fluid seepage at the output shaft
• Contamination from dirt, dust, and moisture entering the seal area
• Grease or lubricant loss around the rear output shaft
• Wear-related sealing issues on NP203 transfer case service jobs
• Replacement needs for aging seals on Chevrolet K10, Ford F-150, and Dodge Ramcharger 4x4 drivetrains

Installation Notes and Tips

Verify the transfer case design before ordering, since this FAG SS3092 seal is listed for New Process 203 and 2nd design NP203 applications. Confirm the bore diameter, outside diameter, and seal width against the original part during service, and inspect the shaft surface for grooves or corrosion before installation. This part cross-references Gates 21061 and National 473204 for the same application.

Quality Assurance

FAG designs seals using application-specific materials and specifications to meet vehicle manufacturer requirements. The nitrile sealing element, spring, and auxiliary lip construction are selected to support sealing performance in demanding transfer case environments. Part number SS3092 is also referenced as Schaeffler Global Number 413 3092 100.