Whirlpool Dishwasher Lower Wash Arm WPW10340527

Whirlpool OEM lower spray arm that rotates and sprays wash water through the dishwasher tub.

Is This the Right Part?

Common Symptoms

• Visible cracking, melting, warping, or damage to the spray arm
• Lower spray arm does not rotate freely
• Reduced or uneven water coverage on the lower rack

Check Before Replacing

• With power disconnected, rotate the lower spray arm by hand and check for binding or wobble.
• Inspect the arm openings for food debris or mineral blockage.
• Check that the arm is securely seated and has not fallen onto the heating element.

Pro Tip

Part Details

Key Features

• Genuine Whirlpool OEM part
• New condition
• Lower dishwasher spray arm assembly

Installation Notes

• Disconnect electrical power before servicing the dishwasher.
• Remove and install only with the dishwasher empty and cool.
• Confirm the arm is fully seated and rotates freely before restoring power.

Verified Compatible Models

7WDF530PAYM0, 7WDF530PAYM1, 7WDF530PAYM2, 7WDT770PAYM0, 7WDT770PAYM1, 7WDT770PAYM2, 7WDT770PAYW0, 7WDT770PAYW1, 7WDT770PAYW2, 7WDT790SAYM0, 7WDT950SAYM0, IDF320PAFW1, IUD3100BW0, IUD3100BW1, IUD3100BW2, IUD3100BW3, IUD3100BW4, IUD3100BW5, IUD6100BB0, IUD6100BB1, IUD6100BB2, IUD6100BB3, IUD6100YW0, IUD6100YW1, IUD8100YS0, IUD8100YS1, IUD8100YS4, WDF110PABW1, WDF111PABB4, WDF111PABW0, WDF310PAAW1, WDF310PLAW1, WDF530PAYM1, WDF530PAYW0, WDF530PAYW2, WDF730PAYB0, WDF730PAYM0, WDF750SAYW0, WDP340PAFW0, WDP350PAAW3, WDT770PAYB1, WDT770PAYB2, WDF110PABW0, WDF110PABW4, WDF111PABB3, WDF111PABW2, WDF310PAAT1, WDF310PAAT2, WDF310PCAT1, WDF310PLAB2, WDF310PLAB4, WDF510PAYB8, WDF510PAYD8, WDF530PAYW1, WDF530PLYB1, WDF530PSYW1, WDT710PAYW0

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