Selector Shaft Seal Installer - Kent-Moore

The Kent-Moore J-43909 Selector Shaft Seal Installer is an essential transmission service tool designed for the precise installation of selector/manual shaft seals on applicable GM automatic transmissions. This professional-grade tool ensures seals are seated squarely and to the correct depth, preventing common fluid leaks and subsequent comebacks by protecting both the transmission case bore and the new seal during installation.

Key Features

• GM-Specific Design: Engineered for installing selector/manual shaft seals on GM automatic transmissions, ensuring proper alignment and depth according to original equipment (OE) procedures.
• Seal and Bore Protection: Provides even support to the seal during installation to help prevent distortion, nicks, or cocking, which are frequent causes of automatic transmission fluid (ATF) leaks at the shift/selector shaft.
• Consistent Installation Depth: Features a positive stop design that guarantees uniform seal seating every time, improving sealing integrity over improvised installation methods.
• Durable Construction: Built for the demanding shop environment, this tool withstands repeated use with hand drivers or a small press, ensuring long-term reliability.
• Compact Design: At approximately 0.46 lb, its lightweight and compact form factor allows for easy control and access in tight transmission tunnels and under-vehicle work areas.

Applications

The Kent-Moore J-43909 Selector Shaft Seal Installer is a critical tool for technicians replacing the manual/selector shaft seal on compatible GM automatic transmissions. It is ideal for full transmission overhauls, correcting ATF leaks at the shifter/selector shaft, and as a preventative measure during valve body, shift linkage, or manual shaft repairs. This tool supports dealership technicians, transmission specialists, and independent shops in achieving consistent, OE-style seal installation for long-term transmission reliability.

Specifications

• Manufacturer: Kent-Moore
• Model Number: J-43909
• Product Name: Selector Shaft Seal Installer
• Weight: 0.46 lb