Whirlpool W11423758 Washer Gearcase Assembly

Product Description

The WHIRLPOOL W11423758 is a direct-replacement gearcase assembly designed for top-load washing machines. The gearcase serves as the core mechanical transmission unit, converting motor torque into the agitate and spin motions required during a wash cycle. It mounts beneath the wash tub and interfaces directly with the drive motor and agitator shaft. At 15 pounds and measuring 23.0 x 17.0 x 13.5 inches, this is a substantial mechanical assembly that requires full disassembly of the washer cabinet and tub for proper installation. This part is sourced directly from the manufacturer and carries the original part number for verified fitment.

This gearcase assembly is intended for residential top-load washers. It is typically replaced when a machine fails to agitate or spin, produces loud grinding or clunking noises during operation, or when internal gear wear causes erratic drum movement. The assembly is a core drivetrain component and its replacement restores full mechanical function to affected units. Licensed appliance technicians handle this repair due to the level of disassembly involved and the weight of the component.

Key Features

• OEM-sourced gearcase assembly with direct fitment for listed Whirlpool model numbers
• Restores agitate and spin function in top-load washers with drivetrain failure
• Substantial construction at 15 pounds for durability in high-cycle residential use
• Replaces worn or failed internal gear sets, eliminating grinding and loss of motion
• Exact part number match ensures correct shaft dimensions and mounting geometry

Compatibility

Compatible with the following Whirlpool models: WTW5105HC1, WTW5105HW1, WTW5105HC0, WTW5105HW0, WTW5100HC0, WTW5100HW0, WTW6120HC1, WTW6120HW1, WTW5100HC1, WTW5100HW1, WTW6120HC0, WTW6120HW0.

Installation Notes

Installation requires complete removal of the washer cabinet, tub, and drive motor assembly and should be performed by a qualified appliance technician. Disconnect power at the outlet or circuit breaker and shut off water supply lines before beginning any disassembly. The gearcase is a heavy component; a second technician or lifting assist is recommended during removal and reinstallation. Refer to the manufacturer service manual for the correct torque and reassembly sequence specific to the model being serviced.