Sonnax No Walk-Out Case Bushing for Gm Th400 4l80e 4l85e Transmissions

Sonnax No Walk-Out Case Bushing for Gm Th400, 4l80-e and 4l85-e transmissions.

The OE case bushing in Gm Th400, 4l80-e and 4l85-e transmissions tends to walk out of the housing bore. This leaves the output shaft unsupported and can lead to governor gear damage and case wear.

The Sonnax No Walk-Out Case Bushing features a precision flange that keeps the bushing securely in the case bore. Manufactured from high-quality bronze with machined oil grooves, this bushing provides reliable output shaft support and proper lubrication.

Ideal for transmission rebuilds, this direct replacement part installs easily from inside the case with the flange seated on the raised surface. No machining is required.

Restore dependable performance and protect critical transmission components with this essential upgrade.

• Prevents OE bushing walk-out in Gm Th400, 4l80-e and 4l85-e transmissions
• Flanged design securely retains bushing in case bore
• Maintains proper output shaft support and alignment
• Reduces risk of governor gear damage and transmission case wear
• High-quality bronze construction with machined oil grooves for proper lubrication
• Direct drop-in replacement with no machining required