WP8558307 - Genuine OEM Whirlpool Dishwasher Rinse Aid Dispenser Cap

WP8558307 – Genuine OEM Whirlpool Dishwasher Rinse Aid Dispenser Cap

Ensure optimal cleaning and drying results with the WP8558307 Genuine OEM Whirlpool Dishwasher Rinse Aid Dispenser Cap. This small but essential part securely seals the rinse aid compartment, allowing your dishwasher to dispense the correct amount of rinse aid during cycles—preventing water spots and improving drying performance.

If the original cap is missing, cracked, or no longer seals properly, it can lead to rinse aid leakage, reduced efficiency, and watermarks on your dishes. Replace it with this authentic OEM part to restore peak dishwasher performance.

Compatibility Information

This OEM Whirlpool rinse aid cap fits many dishwasher models from:

• Whirlpool

• KitchenAid

• Maytag

• JennAir

• Amana

Common compatible models include:

• WDF520PADM7

• KDFE104HPS0

• MDB4949SDZ0

• WDT750SAHZ0

• WDT970SAHZ0

? Always verify your model number before purchasing to ensure a proper fit.

What This Cap Does

The WP8558307 rinse aid cap covers the rinse agent reservoir inside the dishwasher door. It keeps the liquid sealed and pressurized, allowing for controlled dispensing during the final rinse phase. A faulty cap can cause rinse aid to leak, reducing effectiveness and leaving residue.

Signs You Need a Replacement

• Rinse aid leaking from the dispenser

• Cap is missing, cracked, or doesn’t screw in securely

• Cloudy glasses or water spots after wash cycles

• Inconsistent drying performance

Features & Benefits

• Genuine OEM Whirlpool Part – Designed for perfect fit and compatibility

• Prevents Rinse Aid Leakage – Seals reservoir to maintain correct pressure

• Quick, Tool-Free Installation – Simple twist-and-lock design

• Improves Cleaning Performance – Supports streak-free drying

• Durable Construction – Built to withstand heat, moisture, and daily use

• Fast Shipping from Appliance Kingdom – Backed by expert support

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.