SKF 3050 Manual Transmission Shift Shaft Seal

SKF 3050 Manual Transmission Shift Shaft Seal

SKF 3050 is a manual transmission shift shaft seal built for applications that need reliable sealing at the shift shaft. It uses a nitrile sealing surface and precise dimensions to help maintain transmission fluid control in classic Chevrolet, GMC, and Mercury drivetrains.

For drivers restoring or servicing a Chevrolet Bel Air, Impala, or Caprice with an overdrive transmission, SKF 3050 provides a direct-fit sealing solution. It is also listed for Chevrolet Blazer, C10 Suburban, K10 Suburban, GMC Jimmy, and select Mercury wagon and performance models.

Key Features

• Manual transmission shift shaft seal for transmission sealing service
• Nitrile sealing surface for fluid-resistant performance
• Outside diameter: 0.630 in.
• Shaft diameter: 0.313 in.
• Width: 0.203 in.
• SKF part number 3050 for catalog and service matching
• Cross-reference: 26H7693, 81540R91

Detailed Description

SKF 3050 is engineered as a shift shaft seal for manual transmissions, helping retain lubricant at the shaft interface while keeping contaminants out of the transmission housing. SKF has a long history in seal design, and this part reflects that focus with application-specific dimensions and a nitrile sealing surface selected for transmission service. It is a strong match for owners searching for a manual transmission shift shaft seal for 1969-1972 Chevrolet Blazer, 1968-1972 Chevrolet C10 Suburban, 1968-1972 Chevrolet K10 Suburban, and 1970-1972 GMC Jimmy with overdrive equipment, as well as 1958-1969 Chevrolet Bel Air, 1966-1969 Chevrolet Caprice, and 1959-1969 Chevrolet Impala with O/D transmissions. SKF 3050 also appears in fitment for 1957-1965 Mercury Colony Park and 1963-1965 Mercury Marauder.

What It Helps Address

• Transmission fluid seepage at the shift shaft
• Contamination entering the transmission through a worn seal
• Leak-related low fluid condition during service intervals
• Seal wear on older overdrive-equipped manual transmissions
• Restoration work on classic Chevrolet, GMC, and Mercury drivetrains

Installation Notes and Tips

Confirm shaft diameter, outside diameter, and width before installation to match the transmission bore and shaft. Inspect the shaft surface for scoring or corrosion, since seal performance depends on a smooth contact area. Clean the sealing bore thoroughly and verify the transmission is the correct overdrive application before installing SKF 3050.

Quality Assurance

SKF designs and manufactures seals to specific application requirements using premium materials and controlled production standards. The brand’s seal engineering heritage dates back to the first integrated shaft seal, and SKF 3050 follows that tradition with dimensions and materials selected for transmission service life and sealing consistency.

• Fits 1969-1972 Chevrolet Blazer, N/A, w/ O/D
• Fits 1968-1972 Chevrolet C10 Suburban, N/A, w/ O/D
• Fits 1968-1972 Chevrolet K10 Suburban, N/A, w/ O/D
• Fits 1970-1972 GMC Jimmy, N/A, w/ O/D
• Fits 1958-1969 Chevrolet Bel Air, N/A, O/D Trans.
• Fits 1966-1969 Chevrolet Caprice, N/A, O/D Trans.
• Fits 1959-1969 Chevrolet Impala, N/A, O/D Trans.
• Fits 1957-1965 Mercury Colony Park, N/A
• Fits 1963-1965 Mercury Marauder, N/A