Tecumseh 792123A Transmission Shift Key

The Tecumseh 792123A is a genuine OEM shift key designed for Peerless and Tecumseh transmissions commonly found in lawn tractors and garden equipment. This critical transmission component engages the spur gears to the shaft, allowing the shift fork to slide gears back and forth on the output shaft to engage or disengage different speed ranges.

Key Features:

• Genuine Tecumseh OEM part number 792123A
• Compatible with Peerless 920-017 transmissions
• Commonly used in 1980s and 1990s John Deere STX38 lawn tractors
• Essential component for proper gear engagement and transmission operation
• Factory-tested for strength and durability

Shift keys are wear items that can fail due to improper shifting techniques, such as shifting under load or on inclines without proper clutch engagement. This genuine replacement part ensures reliable transmission performance and proper gear selection. Regular inspection and timely replacement of worn shift keys helps prevent further transmission damage and maintains smooth operation of your lawn and garden equipment.