WP3400918 - Genuine OEM Whirlpool Dishwasher Spray Arm Retainer

WP3400918 – Genuine OEM Whirlpool Dishwasher Spray Arm Retainer

Maintain your dishwasher’s cleaning precision with the WP3400918 – Genuine OEM Whirlpool Dishwasher Spray Arm Retainer. This essential retainer secures the lower or upper spray arm to the shaft, ensuring full 360° rotation and preventing unwanted movement during wash cycles. Designed and manufactured to meet Whirlpool’s factory specifications, this retainer provides reliable spray arm alignment and helps deliver thorough dish-cleaning performance.

Ideal for restoring proper operation in Whirlpool, Maytag, KitchenAid, Jenn‑Air, Amana, and Kenmore dishwashers built on Whirlpool platforms, this OEM replacement is the perfect solution when spray arms loosen or wobble.

Function & Compatibility

• Locks the spray arm (upper or lower) onto the rotating spindle

• Maintains stable arm positioning for even spray distribution and cleaning coverage

• OEM part number WP3400918

• Compatible with numerous Whirlpool-built dishwasher models—confirm fit using your model number

Signs You Need Replacement

• Spray arm wobbles, shifts, or becomes misaligned during operation

• Dishes are cleaned unevenly due to improper spray coverage

• Noticeable clunking or loose movement from the spray arm area

• Visual inspection reveals a cracked, stripped, or missing retainer

Key Features & Benefits

• Genuine OEM Quality – Guarantees precise fit and dependable performance

• Dishwasher-Grade Durability – Engineered to resist heat, moisture, and detergent exposure

• Tool-Free Snap Fit – Installs quickly without any tools; simple and efficient

• Restores Full Spray Efficiency – Keeps arm securely in place to ensure complete and thorough washing cycles

We ship appliance parts across Canada, including to Abbotsford, Airdrie, Barrie, Brampton, Brantford, Burlington, Calgary, Cambridge, Chilliwack, Coquitlam, Dartmouth, Edmonton, Etobicoke, Fort McMurray, Grand Prairie, Guelph, Halifax, Hamilton, Kamloops, Kelowna, Kingston, Kitchener, Langley, Laval, Lethbridge, London (Ontario), Markham, Mississauga, Moncton, Montreal, Nanaimo, Newmarket, North Vancouver, Nova Scotia, Oakville, Oshawa, Ottawa, Peterborough, Pickering, Prince Albert, Red Deer, Regina, Saskatoon, Scarborough, St. John's, Sudbury, Surrey, Thunder Bay, Toronto, Vancouver, Vaughan, Victoria, Waterloo, West Kelowna, Whitby, Windsor and Winnipeg.