Roper Dishwasher WU4300B0 Not cleaning dishes properly

Color: white. It measures about 21 inches wide by 14 inches high when fully extended.

The Rinse Aid Cap is an OEM part for Whirlpool dishwashers. It is designed to securely cover the rinse aid dispenser, ensuring the proper release of rinse aid during the wash cycle to improve drying performance and prevent water spots on dishes.

Causes of a bad rinse aid cap can include wear and tear over time, damage from accidental mishandling, or loss of the cap. Without a properly functioning cap, the rinse aid may not dispense correctly.

Symptoms of a bad rinse aid cap include:

• Rinse aid leaking or not dispensing
• Water spots or streaks on dishes after drying
• The cap not fitting securely or being visibly damaged
• The rinse aid compartment remaining full or not using rinse aid as expected

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models.

The Detergent Lid Spring is an OEM part for Whirlpool dishwashers. It is responsible for providing the necessary tension to open and close the detergent dispenser lid during the wash cycle. 

Over time, the detergent lid spring can wear out, lose tension, or break due to repeated use, exposure to water and detergent, or accidental mishandling. If the spring becomes faulty, the dispenser lid may not function properly, leading to poor washing results.

Symptoms of a bad detergent lid spring include:

• Detergent dispenser lid not opening during the cycle
• Difficulty in closing the dispenser lid
• Inconsistent or incomplete release of detergent
• Visible damage or wear on the spring

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

For the complete detergent dispenser kit order 4387043.

The Dispenser Cover Kit is an OEM replacement part for  Whirlpool dishwashers. It includes both the outer lid that protects the detergent and rinse aid compartments as well as the latch mechanism securing it closed. This dishwasher dispenser kit included the cover, lid hinge pin, spring, snap, and latch.

Causes of a bad dispenser cover can include wear and tear from frequent use, physical damage from accidental impact, and discoloration or warping due to exposure to sunlight or heat.

Symptoms of a bad dispenser cover kit include:

• Cracks or breaks in the cover
• Discoloration or yellowing of the plastic
• The cover not fitting securely or becoming loose
• Difficulty in using the dispenser controls due to a damaged cover

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.

The Rubber Washer is an OEM part for Whirlpool dishwashers. This washer plays a role in ensuring a leak-proof seal at various connection points within the dishwasher, such as at the water inlet valve or hose connections. Its primary function is to prevent water from leaking out of the dishwasher during operation, thereby ensuring efficient and safe use of the appliance. 

Over time, rubber washers can deteriorate due to the constant exposure to water and chemicals found in dishwasher detergents. 

Symptoms of a bad Rubber Washer in a dishwasher include:

• Visible signs of wear or damage to the washer, such as cracks, brittleness, or deformation.
• Water leaking from the dishwasher, particularly around areas where hoses and valves connect.
• A decrease in dishwasher performance due to water not being contained properly during cycles.

This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models.

The Latch Kit is an OEM replacement part for Whirlpool dishwashers. This kit includes all the necessary components to replace or repair the latch mechanism that secures the detergent and rinse aid dispenser during the wash cycles.

Causes of a faulty dispenser latch can include wear and tear over time, physical damage from impact or mishandling, or issues with the dispenser alignment or hinges.

Symptoms of a bad dispenser latch kit include:

• The dispenser door not closing or latching properly
• Leaks or drips from the dispenser area
• Detergent or rinse aid not being dispensed correctly during cycles

This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore dishwasher models. 

Split-ring seal designed to secure a door or panel gasket and maintain a watertight/airtight joint, helping stop leaks and keep the appliance operating properly. Ideal for replacing worn or damaged seals. What it does:

• Holds and seals the gasket or trim in place to prevent water or air from escaping.
• Restores a tight seal around doors, panels or openings that show gaps or wear.
• Helps stop common symptoms like leaking, moisture buildup, or visible gaps at the seam.
• Keeps components aligned so doors close smoothly and seals wear evenly.

• Always disconnect power and turn off the water supply before starting any repair.
• Use hand tools to remove trim or retaining rings carefully; wear gloves to protect hands from sharp edges.
• Inspect surrounding gasket and mounting surface; replace damaged gaskets and clean mating surfaces before installing the new ring.
• After installation, test the appliance for proper seal and operation.