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Customer Questions and Answers for Detergent Lid by Bosch

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Manufacturer Part
4.89 (64)
By: Bosch
Part Number: OEM8406993
Manufacturer Part Number: 00166621

The Detergent Lid is an OEM part for Bosch dishwashers, designed to cover the detergent dispenser compartment. This lid ensures that dishwasher detergent is contained and released at the correct point in the wash cycle, contributing to efficient and effective cleaning. 

Causes of a malfunctioning detergent lid can range from physical damage, such as cracks or warping that prevent a proper seal, to mechanical failure in the latch mechanism that prevents it from staying closed during the wash cycle. 

Symptoms of a bad Detergent Lid include:

  • Detergent not being dispensed properly during cycles
  • Water leaking from the dispenser area
  • Dishes not being cleaned effectively due to the detergent not releasing at the correct time

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

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Questions & Answers

For Bosch Detergent Lid (Part Number: OEM8406993)

1 Answer

Hi Kathy. You need to replace the complete dispenser assy. part # 00431413. It has a circuit board along with it that may be burnt out and giving you the issue. It is a contained unit and needs the whole assy. replaced. You will need the gasket assy. part # 00166637. also. Thank You.

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1 Answer

Hi SuzieQ. The new detergent lid AP2802328 snaps into the dispenser assembly. Be careful when doing this not to break the tabs on the new lid. Thank You.

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1 Answer

Hi Lizz. The detergent lid has a finger- type lock holder that seems to have broken on yours. Part # is 00166621. Thank you.

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1 Answer

Hello Calley, the only lid we show being sold separate is for the rinse aid dispenser 00182136, the detergent lid is sold complete with the detergent dispenser part number 00431413. Hope this helps!

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1 Answer

Hello Brett. The new detergent lid 00166621 snaps into the dispenser assembly. Be careful when doing this not to break the tabs on the new lid. Hope this helps.

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1 Answer

Hello Jay. If you can provide your email address, we can send you the service manual to help you with the repair. Thanks.

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1 Answer

Nerio, on some dishwasher models the door is not available separate from the dispenser. May we have your model number to verify the install and part numbers please? Thanks!

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1 Answer

You can remove the screws around the inner door panel, to access the detergent door assembly, and release the door.

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