Speed Queen / Alliance Laundry Systems Washer Belt, Agitate And Spin (drive Belt) 28808, Replaces P50-050 – Superseded by WP28808

Genuine OEM V-style washer drive belt that transfers motor power to the transmission and spin mechanism. The belt is used for agitation and basket spin functions.

Is This the Right Part?

Common Symptoms

• Washer runs but the basket does not spin normally
• Weak or absent agitation
• Burning-rubber smell
• Belt squealing or slipping
• Visible belt cracking, fraying, glazing, stretching, or rubber dust near the pulley path

Check Before Replacing

• Disconnect electrical power before inspection or service.
• With power disconnected, visually inspect the belt for breakage, cracking, fraying, glazing, stretching, or rubber residue.
• Check that the belt remains routed around the motor pulley, large drive pulley, and idler pulley.
• Inspect the pulley path for abnormal rubber buildup or a visibly obstructed or damaged pulley.
• If the belt has burned, inspect the motor-pulley V-groove for rubber residue before installing a replacement.

Pro Tip

Part Details

Key Features

• Genuine Speed Queen/Alliance Laundry Systems special clutch-type drive belt
• V-style washer belt for agitate-and-spin operation
• Original manufacturer part number 28808
• Approximately 32.5 inches long and 0.5 inch wide, as documented for the WP28808 replacement

Installation Notes

• Disconnect electrical power before servicing and do not operate the washer with guards or panels removed.
• Route the belt over the motor pulley and large drive pulley, then position it on the idler pulley with the idler pulley riding on the outside of the belt.
• Use care when releasing idler-lever tension; overstretching the idler or helper spring can affect washer operation.
• The Alliance service procedure states that no belt adjustment is required after installation when the motor and mounting bracket are correctly positioned; verify the applicable service procedure for the washer model.
• Reconnect any ground wires removed during service before returning the washer to operation.

Verified Compatible Models

AA3110, AA3111, AA3210, AA3410, AA4110, AA4111, AA4210, AA4211, AA4410, AA4411, AA5121, AA5220, AA5221, AA5222, AA5420

Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.