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The Worm Gear is an OEM part for Whirlpool stand mixers. It is integral to the mixer's drive system, facilitating the transfer of power from the motor to the mixing attachment. This gear is specifically designed to handle varying levels of resistance from different ingredients, ensuring that your mixer maintains consistent performance and speed.

Symptoms of a failing Worm Gear include:

• The mixer not operating at its set speed
• A grinding or whirring sound during use
•  The mixer head not turning despite the motor running
• Inconsistent mixing or the inability to mix stiff doughs

Causes of a bad worm gear often involve strain from mixing heavy loads, which can wear down the teeth of the gear, or lubrication issues that increase friction and heat within the gear assembly.

This OEM part is also compatible with KitchenAid and certain Kenmore models.

Includes black knob

The Speed Control Assembly is an OEM part for Whirlpool mixers, integral to managing the mixing speed to accommodate various ingredients and recipes efficiently. This assembly is crucial for the precise control over the mixer's speed, ensuring that your mixing tasks are performed with the desired consistency and texture.   Speed Control Assembly has been updated by Whirlpool and no longer includes the ribbon attached. 

Common causes of a faulty Speed Control Assembly can vary, such as electrical problems resulting in erratic mixer speeds, wear and tear from regular usage, physical damage to the control assembly, or faulty wiring and connections within the mixer.

Symptoms of a bad Speed Control Assembly include:

• The mixer operates at one speed regardless of the setting
• Inability to adjust the mixer's speed
• The mixer fails to start or exhibits intermittent stopping during use
• Unusual noises or behavior when changing speeds

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models.

The Transmission Housing is an OEM part for Whirlpool mixers. This component encases the transmission, which is responsible for transferring power from the motor to the mixing attachments. The housing ensures the transmission is protected from external damage and maintains the alignment and stability of internal components.

Over time, the transmission housing can become compromised due to regular use, exposure to food and moisture, or accidental impacts. Damage to this part can lead to misalignment, which affects the performance of the mixer.

Symptoms of a bad transmission housing include:

• Unusual noises during operation
• Mixing attachments not spinning properly
• Visible cracks or damage to the housing
• Leaking grease from the transmission area

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

The  Front Sleeve Bearing is an OEM part for Whirlpool stand mixers. It serves as the front worm gear bearing. It is designed to support the rotating shaft within the mixer, ensuring smooth and efficient operation of the mixing attachments.

Over time, the front sleeve bearing can wear out or become damaged due to heavy use, lack of lubrication, or exposure to moisture. When this occurs, the bearing may fail to provide adequate support, leading to potential damage to the mixer's internal components.

Symptoms of a bad front sleeve bearing include:

• Unusual noises such as grinding or squeaking during operation
• Increased vibration or wobbling of the mixing attachments
• Difficulty in achieving smooth and consistent mixing

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

Note: For the rear sleeve bearing, order WPW10170081.

The Thumb Screw is an OEM replacement part for Whirlpool stand mixers. It acts as a fastener for securely attaching mixing attachments like the flat beater, whisk, or dough hook onto the power hub. Color: Black. It measures about 1-½” wide by ¾” high.

Causes of a bad thumb screw can include wear and tear from repeated securing and loosening of mixing attachments over time. 

Symptoms of a bad thumb screw include:

• Mixing tools detaching or falling off during use  
• Difficulty attaching or removing attachments
• Looseness where the screw mounts to the power hub

This OEM Whirlpool part is also compatible with KitchenAid, Kenmore, and some Bosch and Breville stand mixers.