HomeTransmission > Gaskets and Sealing SystemsTimken 7399S Manual Transmission Shift Shaft Seal
Part #: 7399S

Timken 7399S Manual Transmission Shift Shaft Seal

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44 vehicles fit this part
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Fitment: Chevrolet, Pontiac, Ford, and Mercury, Corvette, Camaro, Firebird, Monte Carlo, Grand Am, Ventura, LeMans, Fairlane, Falcon, Ranchero, Torino, Mustang, Comet, Cyclone, and Falcon Sedan Delivery
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Reliable Manual Transmission Shift Shaft Seal for Chevrolet and Ford

The Timken 7399S manual transmission shift shaft seal is designed to provide a durable and precise seal for select Chevrolet, Ford, and Pontiac vehicles. This seal helps maintain transmission integrity by preventing fluid leaks and contamination in the shift shaft area.

Key Features of Timken 7399S Shift Shaft Seal

  • Compatible with Chevrolet Camaro, Corvette, Pontiac Firebird, Grand Am, LeMans, Monte Carlo, and Ford Mustang models
  • Engineered for manual transmission applications to ensure proper sealing of the shift shaft
  • Manufactured by Timken, a trusted name in automotive sealing systems
  • Part number 7399S for accurate identification and fitment
  • Constructed from durable materials to resist wear and transmission fluid exposure

Detailed Description of the Timken 7399S Seal

This manual transmission shift shaft seal is specifically designed to fit a range of American muscle and performance vehicles, including the Chevrolet Camaro and Corvette, Pontiac Firebird and Grand Am, as well as the Ford Mustang. The seal prevents transmission fluid leaks around the shift shaft, which is critical for maintaining smooth gear shifts and protecting internal transmission components. Timken’s manufacturing standards ensure that the 7399S seal meets OEM specifications for fit and function, providing a reliable sealing solution for manual transmissions.

Common Applications and Issues Addressed

  • Prevents transmission fluid leaks from the shift shaft area
  • Reduces contamination ingress that can cause premature transmission wear
  • Helps maintain proper hydraulic pressure within the manual transmission
  • Eliminates shifting difficulties caused by fluid loss or seal failure
  • Addresses noise and vibration issues related to worn or damaged seals

Installation Notes and Tips

  • Ensure the transmission housing and shift shaft are clean and free of debris before installation
  • Use appropriate tools to avoid damaging the seal during installation
  • Verify correct orientation of the seal to prevent leaks
  • Inspect the shift shaft for wear or damage and replace if necessary
  • Consult vehicle-specific service manuals for torque specifications and installation procedures

Quality Assurance and Warranty Information

Timken manufactures the 7399S manual transmission shift shaft seal to meet stringent quality standards. Each seal undergoes rigorous testing to ensure durability and performance under normal operating conditions. While specific warranty details may vary, Timken products typically include a limited warranty against defects in materials and workmanship. Refer to Timken’s official documentation for complete warranty terms.

This part fits 44 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
1988ChevroletCorvetteManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1987ChevroletCorvetteManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1986ChevroletCorvetteManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1985ChevroletCorvetteManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1984ChevroletCamaroManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1984ChevroletCorvetteManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1984PontiacFirebirdManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1983ChevroletCamaroManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1983PontiacFirebirdManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1982ChevroletCamaroManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1982PontiacFirebirdManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1981ChevroletCamaroManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1981ChevroletCorvetteManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1981ChevroletMonte CarloManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1981PontiacFirebirdManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1980ChevroletCamaroManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1980ChevroletCorvetteManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1980PontiacFirebirdManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1979ChevroletCamaroManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1979ChevroletCorvetteManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1979PontiacFirebirdManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1978ChevroletCamaroManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1978ChevroletCorvetteManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1978PontiacFirebirdManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1977ChevroletCamaroManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1977ChevroletCorvetteManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1977PontiacFirebirdManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1976ChevroletCamaroManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1976ChevroletCorvetteManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1976PontiacFirebirdManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1975ChevroletCamaroManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1975ChevroletCorvetteManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1975PontiacFirebirdManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1975PontiacGrand AmManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1974ChevroletCamaroManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1974ChevroletCorvetteManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1974PontiacFirebirdManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1974PontiacGrand AmManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1974PontiacLeMansManualN/ACompatible with trucks and SUVs with a 4WD Transfer Case Input Shaft Bearing.
1967FordMustangManualN/AFord 2.77 - HED, RED
1966FordMustangManualN/AFord 2.77 - HED, RED
1966FordMustangManualN/ADagenham Design
1965FordMustangManualN/AFord 2.77 - HED, RED
1965FordMustangManualN/ADagenham Design

* 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.