Timken 240735 Manual Transmission Shift Shaft Seal

Reliable Manual Transmission Shift Shaft Seal for GM Vehicles

The Timken 240735 manual transmission shift shaft seal is engineered to provide durable sealing performance for a range of General Motors vehicles. Designed with precision dimensions and high-quality S-nitrile material, this seal helps maintain transmission integrity and prevent fluid leaks.

• Constructed from durable S-nitrile material for resistance to heat and wear
• Outside diameter options: 1.006 inches (25.55 mm) and 1.000 inches (25.40 mm)
• Shaft diameter sizes: 0.750 inches (19.05 mm)
• Seal width: 0.126 inches (3.20 mm)
• Seal type: 24, designed specifically for manual transmission shift shafts

Detailed Product Description and Specifications

The Timken 240735 manual transmission shift shaft seal is manufactured to exacting standards to fit a variety of GM vehicles including Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models. Its S-nitrile construction offers excellent resistance to petroleum-based fluids and high temperatures commonly found in transmission environments. The seal’s precise dimensions—1.006 inch outside diameter, 0.750 inch shaft diameter, and 0.126 inch width—ensure a tight fit within the housing bore, minimizing the risk of leaks and contamination.

This seal is compatible with numerous GM models such as the Chevrolet Blazer, Camaro, C10 and C1500 series trucks, Pontiac Firebird, Buick Century, and Oldsmobile Cutlass among others. The part number 240735 corresponds to a seal type 24, specifically designed for manual transmission shift shafts, making it a reliable replacement part for maintaining transmission performance.

Common Applications and Problem Solving

• Prevents transmission fluid leaks around the manual shift shaft
• Reduces contamination ingress that can cause premature transmission wear
• Maintains proper lubrication within the transmission assembly
• Addresses seal degradation due to heat and fluid exposure
• Helps restore smooth shifting performance by maintaining seal integrity

Installation Notes and Tips

• Ensure the housing bore and 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 lip to face the fluid side
• Check fitment compatibility with your specific GM make and model prior to installation
• Inspect the shaft for wear or damage that could affect seal performance

Quality Assurance and Warranty

Timken manufactures the 240735 manual transmission shift shaft seal to meet industry standards for durability and performance. The use of S-nitrile material ensures resistance to common transmission fluids and operating temperatures. While specific warranty details may vary, Timken products typically come with a limited warranty against manufacturing defects, providing confidence in the product’s reliability for GM vehicle applications.