Whirlpool Dishwasher Rinse Aid Dispenser Cap - WP3378134

Whirlpool Dishwasher Rinse Aid Dispenser Cap - WP3378134

Restore detergent and rinse-aid release with this genuine OEM Whirlpool Dishwasher Rinse Aid Dispenser Cap - WP3378134. This dishwasher dispenser stores detergent and rinse aid and releases them at the correct point in the wash cycle.

WP3378134 is a genuine OEM Whirlpool dishwasher rinse aid dispenser cap used for select dishwasher applications. Replace it when the detergent door will not open, will not latch, rinse aid leaks, or the dispenser body is cracked.

Fits These Brands / Families: Fits select Whirlpool-built dishwasher platforms, including Whirlpool, KitchenAid, Maytag, Amana, Jenn-Air, Kenmore, Roper, Estate, and related Whirlpool Corporation models when this exact part number is specified.

Fitment / What To Verify: Verify dispenser door style, inner-door cutout, latch shape, wiring connector, gasket/seal surface, and rinse-aid reservoir configuration before ordering.

Please confirm fitment with your appliance model number before ordering.

Is it time to replace?

• Common Symptoms: Soap pod remains unused, dispenser door pops open too early, rinse aid leaks down the door, or dishes are not cleaning/drying properly.
• Visible/Sensory Cues: Broken latch, cracked reservoir, sticky sliding door, failed spring, or rinse-aid streaking.

Pro Tip: Before replacing the dispenser, make sure tall dishes are not blocking the detergent door during the cycle.

Technical Specifications

Legacy part number(s)/code(s): 3369155, 3369200, 3369512, 3378134

Please note: These legacy parts have been replaced by this item. They may not look exactly the same, but the manufacturer of these appliances has assured us that they will function properly.

If you have questions, please message us before ordering so we can address your concerns. Please review our Return Policy before purchasing.