Description
The Whirlpool WPW10491331 Dishwasher Lower Wash Arm is a genuine OEM replacement part designed to spray water evenly throughout the lower rack area during the wash cycle. If your dishes aren’t coming out clean, or you notice poor water circulation, this wash arm may be clogged, cracked, or damaged.
Replacing this part ensures full cleaning coverage and restores your dishwasher’s wash performance to factory standards.
Features:
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Authentic OEM Quality: Factory-tested Whirlpool part ensures long-lasting durability and precise performance.
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Improved Water Flow: Distributes water evenly for a thorough clean on every cycle.
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Clog-Resistant Design: Built with optimized jets to prevent debris buildup.
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Simple Replacement: Installs easily without tools — snaps directly into the pump outlet.
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Durable Construction: Made from high-strength plastic to withstand heat and pressure.
Common Symptoms Repaired:
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Dishes not coming out clean
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Poor water spray or coverage
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Broken or missing spray arm
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Dishwasher making unusual noises during cycles
Specifications:
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Part Number: WPW10491331
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Brand: Whirlpool
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Type: Dishwasher Lower Wash Arm
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Material: Reinforced plastic
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Dimensions: Approximately 19” in diameter
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Color: Gray
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Weight: 0.4 lb
Compatibility:
Fits select Whirlpool, Maytag, Kenmore, Amana, Jenn-Air, and KitchenAid dishwashers.
Compatible model examples include:
WDT720PADM2, WDF520PADM7, MDB7749SBM3, and more.
👉 Always confirm your model number before purchasing to ensure compatibility.