W10803178 - Genuine OEM Whirlpool Dishwasher Lower Spray Arm

W10803178 – Genuine OEM Whirlpool Dishwasher Lower Spray Arm

Restore your dishwasher’s powerful cleaning performance with the W10803178 – Genuine OEM Whirlpool Dishwasher Lower Spray Arm. Designed to Whirlpool's precise factory standards, this essential component delivers 360° spray coverage across the lower rack, thoroughly rinsing dishes, glassware, and cookware. Built from heat-resistant, dishwasher-safe plastic, it resists detergent wear and lasts through countless cycles.

This OEM replacement fits a wide range of Whirlpool-built dishwashers—including models under Whirlpool, Maytag, KitchenAid, Jenn‑Air, Amana, and Kenmore. If your lower spray arm is cracked, clogged, wobbly, or no longer rotates properly, the W10803178 is the reliable part you need to restore full cleaning efficiency.

Function & Compatibility

• Distributes pressurized water evenly across the lower rack through rotating spray jets

• Ensures smooth arm rotation for consistent cleaning performance

• OEM part number W10803178, compatible with select Whirlpool-built dishwasher models—verify with your model number

• Built for precise, factory-level fit and operation

When to Replace

• Dishes on the lower rack emerge streaky, spotted, or not fully cleaned

• Spray arm stops spinning, wobbles, or makes unusual noises

• Visual damage such as cracks, clogs, or heavy mineral buildup

• Water leakage or misalignment during the wash cycle

Features & Benefits

• 100% Genuine OEM Quality – Engineered to Whirlpool’s exact specifications for performance and longevity

• Dishwasher-Grade Durability – Made to withstand heat, pressure, and cleaning chemicals

• Easy DIY Installation – Snap-on design installs effortlessly—no tools required

• Restores Optimal Cleaning – Guarantees full spray coverage for spotless dish results

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.