Rinse Aid Cap
The WP3378134 is a rinse aid cap for Whirlpool dishwasher. No tools needed. Compare prices from top sellers.
Replaces: 3369155, 3369200, 3369512, 3378134, 524580, AP6008208
Easy Repair
Fits 8 brands
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4 stores · Updated May 16, 2026
Lowest$3.55
4.8(728)In Stock
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$9.62
4.5(13.6k)In Stock
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$9.63
4.8(21.9k)In Stock
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$12.03
4.4(3.1k)In Stock
Go to StoreThe Dishwasher Rinse Aid Cap covers the port for the rinse agent and keeps the rinse aid inside the dispenser until it's needed. This model is constructed of translucent plastic and measures approximately 2" diameter. Note that this design does not require an o-ring seal. Replacing this part will not require hand tools, disassembly or repair experience. Simply open your dishwasher door, twist the old cap out of place and install the new cap.
Part Specification
• This product is a Factory Certified Part. These three words represent quality parts and accessories designed specifically for your appliance. Time tested engineering that meets our strict quality specifications
• This product is a replacement part
• Package contains (1) Dishwasher Rinse Aid Cap
• No tools required for installation
Part Specification
• This product is a Factory Certified Part. These three words represent quality parts and accessories designed specifically for your appliance. Time tested engineering that meets our strict quality specifications
• This product is a replacement part
• Package contains (1) Dishwasher Rinse Aid Cap
• No tools required for installation
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Common Problems This Part Fixes
Not drying dishes
Detergent dispenser not working
Leaves residue or film on dishes
Repair difficulty: Easy - no tools needed - drop-in or snap-in replacement
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