National 99125 Manual Transmission Input Shaft Repair Sleeve

Reliable Manual Transmission Input Shaft Repair Sleeve

The National 99125 Manual Transmission Input Shaft Repair Sleeve is engineered for precision and durability. Designed to restore shaft integrity, this stainless steel repair sleeve is compatible with a wide range of vehicles including Ford, Chevrolet, Jeep, and Nissan models.

• Flanged outside diameter: 1.500 inches (38.1 mm)
• Installation depth: 0.688 inches (17.48 mm)
• Overall width: 0.438 inches (11.13 mm)
• Shaft size range: 1.247 to 1.253 inches (31.67 to 31.83 mm)
• Width on shaft: 0.313 inches (7.95 mm)
• Constructed from corrosion-resistant stainless steel

Durable Construction and Precise Dimensions

This repair sleeve is crafted from stainless steel to provide long-lasting resistance against wear and corrosion in manual transmission systems. The flanged outside diameter of 1.500 inches ensures a secure fit, while the installation depth of 0.688 inches allows for proper seating on the input shaft. With an overall width of 0.438 inches, the sleeve fits tightly within the specified shaft size range of 1.247 to 1.253 inches, making it suitable for restoring shafts on various manual transmissions.

Compatible Vehicle Makes and Models

The National 99125 repair sleeve is compatible with manual transmission input shafts on numerous vehicles, including but not limited to Ford F-150, Chevrolet Camaro, Jeep Cherokee, Nissan 280ZX, and Cadillac CTS. This part supports a broad range of models such as the Chevrolet Blazer, Pontiac Firebird, Dodge Challenger, and Mercury Cougar, making it a versatile choice for transmission repairs.

Common Applications and Repair Uses

• Restoring worn or damaged manual transmission input shafts
• Addressing shaft wear caused by bearing failure or misalignment
• Repairing input shafts with minor scoring or surface damage
• Preventing further transmission damage by reinforcing shaft integrity
• Extending the service life of manual transmission components

Installation Notes and Tips

Ensure the input shaft is clean and free of debris before installation. The repair sleeve should be pressed onto the shaft using appropriate tools to avoid damage. Verify the sleeve fits within the specified shaft size range of 1.247 to 1.253 inches for optimal performance. Proper seating at the installation depth of 0.688 inches is critical to maintain transmission alignment and function.

Quality Assurance and Warranty

Manufactured by National, a trusted name in transmission hardware, the 99125 repair sleeve meets industry standards for material quality and dimensional accuracy. Constructed from stainless steel, it offers corrosion resistance and durability. While specific warranty details are not provided, National products typically adhere to rigorous quality control processes to ensure reliable performance in automotive transmission repairs.