Bosch Dishwasher Parts — Browse All Models

Troubleshooting Bosch dishwasher drain problems

Even dependable Bosch dishwashers can develop draining issues. Knowing what to check first can save time and help you identify the right repair.

Dishwasher won’t drain

If water remains in your Bosch dishwasher after a cycle, first check the kitchen sink drain to make sure it’s clear. If your dishwasher has an air gap, water or residue around the vent holes can indicate a clog. Clearing the air gap often restores proper drainage. You can also review our guide for troubleshooting dishwasher draining issues for more steps.

Drain pump not working

When the dishwasher’s drain pump doesn’t run or fails to pump water out, it likely needs to be replaced. The pump is responsible for pushing water through the drain hose and out of the machine. Replace the drain pump if it’s not operating correctly.

Control board not sending power

If the drain pump is functional but still doesn’t receive power during the drain cycle, the electronic control board may be at fault. This board sends voltage to key components at the correct times. Replace the electronic control board if it fails to power the pump.

Common replacement parts for Bosch dishwashers

Bosch dishwashers use durable components, but certain parts are more likely to wear out over years of use.

• Detergent dispenser
• Drain pump
• Electronic control board
• Heater assembly
• Door latch
• Door switch
• Door seal

Find the exact replacement parts you need by using the Bosch dishwasher parts diagram for your model.

Get repair help

From draining issues to cleaning performance problems, our dishwasher DIY repair help section has troubleshooting tips and step-by-step guides for Bosch dishwashers.

Bosch dishwasher FAQs

Why aren’t my dishes getting clean?

If dishes come out dirty, check for clogged spray arm holes, a dirty filter, or a soap dispenser that’s not opening. Cleaning these areas and replacing damaged parts can often restore wash performance.

Why is there a white film on my dishes?

Cloudy residue is often mineral buildup from hard water. Run a cleaning cycle with dishwasher cleaner and consider adding a water softener if buildup is frequent.

What should I check if my Bosch dishwasher isn’t heating water?

The heating element may be broken, or the hi-limit thermostat could have failed. Testing these parts with a multimeter can confirm the issue before replacement.

How do I find the right part for my Bosch dishwasher?

Locate the model number on the inside edge of the door or tub. Enter it into the search bar to find illustrated parts lists with diagrams showing every component, making it easy to identify exactly what you need for a repair.

How can I improve drying performance?

Check the heating element, use a rinse aid, and open the door slightly after the cycle to let steam escape. Proper loading also prevents water from collecting on dishes.