Shu4302uc Parts

The Drain Pump Cover is an OEM part for Bosch dishwashers. This cover protects the drain pump mechanism from debris while draining dirty water after each cycle.

Causes of a bad drain pump cover include cracks or breaks from heavy impacts over time.

Symptoms of an improperly functioning cover include:

• Leaks in the area around the drain pump
• Decreased drain and pump performance over time
• Potential clogs from broken pieces inside

This genuine OEM Bosch part is also compatible with Thermador, Gaggenau and select Kenmore models.

The Upper Spray Arm Water Tube is an OEM part for Bosch dishwashers. It is a vital component of the washing mechanism responsible for spraying water across the upper rack. 

Over time, mineral deposits can clog the narrow openings of the water tube, reducing water pressure and spray effectiveness. Accidental bending or cracking of the flexible water tube could also cause spray issues.

Symptoms of a bad upper spray arm and water tube include: 

• Incomplete cleaning of dishes on the upper rack
• Dried food soils left behind after washing  
• Noticeably weaker water spray pressure from the arm
• Possible leaks or drips around the arm connection point

Replacing with this OEM Bosch part restores full spray coverage and optimized washing for all rack levels. It is also compatible with certain Miele, Asko, and Jenn-Air professional-grade dishwashers.
 

This upper trim strip finishes the top edge of the appliance's front opening, restoring a clean look and helping protect nearby components. Replace a cracked, missing, or loose strip to keep panels aligned and secure.

• Provides a finished edge along the upper portion of the door/face area
• Helps protect adjacent components from dust and minor splashes
• Maintains proper panel gaps and alignment
• Typical symptoms: visible cracks, warping, looseness, rattling, or exposed/sharp edges

• Disconnect power before servicing; also shut off water
• Remove the existing strip by releasing screws/clips; retain hardware for reuse
• Align the new strip and secure evenly—do not overtighten fasteners
• Check door/panel operation afterward to confirm proper fit and clearance

This O-ring is the sealing gasket between mating components, keeping fluid contained inside the system. Replacing a worn ring restores a tight, leak-free connection and helps prevent drips, moisture, and leak-related error indications.

• Creates a compressible seal between parts to prevent leaks at the joint
• Helps maintain proper system flow by stopping seepage or air ingress
• Direct replacement for rings that are flattened, cracked, brittle, swollen, or missing
• Common symptoms include dripping at the connection, moisture beneath the unit, or leak/float error alerts

• Disconnect power and shut off the water supply before servicing; wear appropriate PPE.
• Note the original ring's location; clean the groove and mating surfaces before installation.
• Apply a light coat of compatible silicone grease; avoid twisting or overstretching the ring.
• Seat evenly, reassemble, restore service, and check for leaks during a test cycle.

The Pressure Chamber is an OEM part for Bosch dishwashers. This part is responsible for monitoring and controlling the water level within the dishwasher. It operates by sensing the pressure exerted by the height of the water in the tub and ensures that the dishwasher fills with the correct amount of water for optimal cleaning performance.

Causes for replacement may involve wear and tear over extended use, mineral buildup affecting the switch’s sensitivity, or electrical faults leading to inconsistent performance.  

Symptoms of a failing Pressure Chamber include:

• Overfilling or underfilling of the dishwasher, which can lead to inadequate cleaning or potential water damage.
• Unexpected changes in the wash cycle, such as sudden stops or pauses.
• The dishwasher not starting a wash cycle due to incorrect water level readings.

This genuine OEM Bosch part is also compatible with Thermador, Gaggenau and select Kenmore models.

The Water Inlet System is an OEM component specifically designed for select Bosch dishwashers. Comprising inlet valve, screens, hoses, and connectors, it precisely meters fresh water. Reliable flow prevents mineral buildups from impairing performance.

Causes of a bad water inlet system commonly involve bursting hoses or stripped connectors. Prolonged pressure weakens seals requiring timely replacement.

Symptoms of a faulty water inlet system include: 

- Fluctuating or absent water flow to spray arms
- Leaks forming inside or near the installation site
- Errors relating to improper water temperature or amounts  

Causes of a bad water inlet system involve typical degradation such as:

• Limescale clogging narrow valve openings
• Plumbing joint corrosion compromising integrity
• Splitting plastic tubing unable to withstand cycles

This OEM Bosch part is also compatible with some Miele, Blomberg, and Thermador dishwashers. 
 

This sump screw secures the dishwasher's sump or sump cover to the tub, keeping the assembly tight and leak-resistant. Replace a missing, stripped, or damaged screw to restore a proper seal and stable mounting.

• Fastens the sump or sump cover to the dishwasher tub
• Helps maintain a watertight seal to reduce leaks
• Keeps filter/sump components aligned and secure
• Replaces missing, stripped, or damaged hardware
• Helps address leaks or rattling around the sump area

• Disconnect power and turn off water supply before servicing
• Remove the lower rack and filters to access the sump area
• Ensure mating surfaces and seals are clean and properly seated
• Tighten snugly by hand; do not overtighten to avoid stripping

The Water Inlet Fill Hose is an OEM part for Bosch dishwashers. This part is responsible for safely and efficiently connecting the dishwasher to your home's water supply, ensuring that water flows into the dishwasher at the correct pressure and volume for optimal cleaning performance. 

Over time, the Water Inlet Fill Hose can become susceptible to wear and tear, leaks and blockages.

Symptoms indicating the need for a new Water Inlet Fill Hose include:

• Water pooling around the dishwasher base, pointing to a potential leak in the hose.
• The dishwasher not filling with water properly, or filling very slowly, suggesting a blockage or damage to the hose.
• A visible inspection reveals cracks, bulges, or signs of corrosion on the hose connectors.

This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore models.

Bosch dishwasher soap dispenser assembly, unvented, dark gray

The Float is an OEM part for Bosch dishwashers. This float senses water levels inside the dishwasher, signaling the inlet valve to refill when needed.

Causes of a float malfunctioning can be mineral deposits accumulating and weighing it down over time, or cracks in the plastic housing allowing water in.

Symptoms of a bad float include:

• The dishwasher not filling or filling slowly
• Error codes related to fill issues
• Improper water levels impacting wash results

This genuine OEM Bosch part is also compatible with Thermador, Gaggenau and select Kenmore models.

Color: gray. Each clip measures about an inch and each pack includes 2 clips.

This actuator arm is the mechanical lever inside the dishwasher door's dispenser assembly. Working with its spring, it releases the detergent cup at the proper point in the cycle to restore consistent detergent dispensing. What it does

• Transfers motion from the control/drive mechanism to the dispenser latch to open the detergent cup
• Provides the spring tension needed for the lever to return to its home position
• Helps ensure detergent is dispensed at the intended time in the wash cycle
• Common symptoms include detergent left in the cup, a dispenser door that won't latch or opens inconsistently, or a visibly broken/missing lever

• 1 actuator arm with spring

• Disconnect power to the dishwasher before servicing
• Open the door and remove the inner door panel fasteners to access the dispenser linkage
• Note the spring orientation; move the spring to the new arm if needed and seat the arm in the correct pivot location
• Reassemble the door and manually test the dispenser action before running a cycle

Wax motor for detergent/rinse-aid dispenser.

Rear pump housing for the washer drain/pump assembly. Replaces the worn rear housing that supports the impeller and bearing, helping restore proper draining and reduce leaks or unusual pump noises when the housing fails. What it does:

• Houses and supports the pump impeller and bearing, forming the rear half of the drain pump assembly.
• Restores a sealed mounting surface to help prevent water leaks from the pump area.
• Helps re-establish correct water flow and draining when a cracked or worn housing impairs the pump.
• Addresses symptoms such as poor or no draining, water at the base of the appliance, or loud/grinding pump noises.

• Disconnect power and shut off water supply before starting; drain any standing water to avoid spills.
• Remove the washer access panels and pump assembly; transfer the impeller, seals, and any hardware as required.
• Inspect and replace pump gaskets/seals and the impeller if worn; tighten mounting fasteners to OEM torque where specified.

This Filter Screen is an OEM part for Bosch Dishwashers. This filter screen efficiently traps debris and food particles, ensuring optimal washing performance.

A common issue with a faulty Filter Screen is clogging due to accumulated debris and food residue. Over time, this can obstruct water flow, resulting in poor cleaning performance or potential drainage problems.

Symptoms of a malfunctioning Filter Screen may include:

• Dirty dishes after a complete wash cycle
• Standing water at the bottom of the dishwasher
• An unpleasant odor emanating from the dishwasher

This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore models.

This door latch and strike plate secure the door closed and engage the safety interlock so the appliance can start and run reliably. Replacing a worn latch restores consistent door closure and prevents nuisance cycle interruptions.

• Locks the door by engaging the strike, keeping it closed during operation
• Ensures the door-closed interlock/microswitch is actuated so cycles can start
• Helps prevent the door from popping open mid-cycle
• Common symptoms: door won't latch or stay closed, unit won't start, cycle stops when the door is jostled

• Disconnect power before servicing
• Open the door and remove the inner-panel screws to access the latch area
• Remove the old latch/strike; align and install the new components
• If your model uses a separate microswitch, transfer/reuse it as required and test door engagement before reassembly