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WPW10491331 Whirlpool Dishwasher Lower Spray Arm

Part #: WPL WPW10491331
This Dishwasher Lower Wash Arm Assembly rotates and sprays to evenly distribute water during the washing cycle. You will need this kit if your spray arm is damaged and requires replacement. Replacing this part will require no disassembly or repair experience.

Part Specification
• This product is a Factory Certified Part. These three words represent quality parts and accessories designed specifically for your appliance. Time tested engineering that meets our strict quality specifications
• This product is a replacement part
• Package contains (1) Dishwasher Lower Wash Arm Assembly
• Tools Needed: Multi screwdriver


Weight : 0.454200 lbs
Dimension : 20.236200 x 2.401500 x 1.299200
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Special Price $25.76 Regular Price $30.31 15% off

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About this product

This Dishwasher Lower Wash Arm Assembly rotates and sprays to evenly distribute water during the washing cycle. You will need this kit if your spray arm is damaged and requires replacement. Replacing this part will require no disassembly or repair experience.

Part Specification
• This product is a Factory Certified Part. These three words represent quality parts and accessories designed specifically for your appliance. Time tested engineering that meets our strict quality specifications
• This product is a replacement part
• Package contains (1) Dishwasher Lower Wash Arm Assembly
• Tools Needed: Multi screwdriver


Weight : 0.454200 lbs
Dimension : 20.236200 x 2.401500 x 1.299200

The following parts are replaced by this product

  1. W10491331
No more associated models for this part.
DIY: Replacing Whirlpool Dishwasher Lower Spray Arm (WPW10491331)

Replacing your dishwasher’s lower spray arm is an important step in making sure your dishwasher runs efficiently and effectively. Follow these easy steps to replace the WPW10491331 Whirlpool Dishwasher Lower Spray Arm quickly and safely.

1. Disconnect the power supply. Before starting any repair or maintenance, make sure to disconnect the power supply to the dishwasher. This will ensure your safety during the repair.

2. Remove the old lower spray arm. To remove the old lower spray arm, first remove the plastic cap located at the base of the unit. Next, unscrew the screws that are holding the spray arm in place, then carefully remove it from the dishwasher.

3. Install the new spray arm. Take the new spray arm and insert it into the slot at the base of the dishwasher. Make sure the holes for the screws line up properly with the holes in the dishwasher. Secure the spray arm with the screws that were removed in step two.

4. Re-attach the plastic cap. Place the plastic cap back onto the base of the dishwasher over the spray arm. This will help protect the arm from debris and dirt.

5. Reconnect the power source. Once all the steps above have been completed, reconnect the power source and run a test cycle to make sure the dishwasher is working correctly.

With these simple steps, you should be able to easily replace your Whirlpool Dishwasher Lower Spray Arm (WPW10491331). If you have any questions or concerns about any part of the process, please refer to the user manual for your appliance or contact a qualified technician.

Please keep in mind, these instructions are for general guidance and should always be used in conjunction with the manufacturer's manual, if available.
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