Parts for Bosch WAT28402UC/01: Pump Parts

The Affresh Washer Cleaner 3 Pack is an OEM cleaning accessory designed specifically for washing machines. This multipack contains 3 packets of a proven formula that helps eliminate odors from the washer tub, door, gasket, and drain areas. Regular cleaning is important to remove dirt, soap scum, mildew, and other residue that can build up over time and lead to odors. The Affresh tablets contain oxygen-powered enzymes and fresh scent boosters that are released during the cleaning cycle to safely and effectively eliminate musty smells.

This multipack of Green 4.2-ounce tablets ensures you have enough doses for consistent cleaning to keep your washer smelling fresh. As the #1 recommended washer cleaner brand, Affresh is also compatible for use in Maytag, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and select Kenmore washers.

This dispenser tray is the dishwasher detergent cup assembly that holds and releases detergent during wash cycles, helping ensure detergent is delivered when the machine rinses and cleans dishes. What it does

• Holds detergent/soap and releases it at the correct point in the wash cycle
• Ensures proper detergent flow to improve cleaning performance
• Prevents loose detergent from scattering inside the tub
• Visible replacement sign: cracked, warped, or detergent residue that won't clear

• One dispenser tray (detergent cup) as shown

• Disconnect power and water supply before removing or installing the dispenser
• Remove the inner door panel per manufacturer instructions to access the tray
• Handle carefully to avoid damaging the door latch and wiring harness
• Run a short test cycle after install to confirm proper operation and detergent release

This lower dispenser tray fits inside the dishwasher detergent dispenser and provides a stable catch and guide for detergent and rinse aid, helping the dispenser operate cleanly and reliably. Replaces a cracked or warped tray to reduce leaks and residue buildup. What it does:

• Holds and positions the lower portion of the detergent/dispenser assembly for proper door sealing and release
• Directs detergent and rinse aid into the wash chamber when the dispenser opens
• Helps prevent leaks and pooling that can cause poor detergent release or residue
• Restores proper alignment if the original tray is cracked, broken, or deformed

• Disconnect power to the appliance before starting any repair
• Remove the dishwasher door inner panel or dispenser bezel as required to access the dispenser assembly
• Handle parts gently to avoid damaging clips and seals; replace any worn gaskets

This upper dispenser tray holds and positions detergent and rinse aid cups in the dishwasher door so detergents release correctly during the wash cycle. Fits upper-door dispenser assemblies to restore proper dispensing and cleaner wash results. What it does:

• Provides the correct mounting and alignment for detergent and rinse-aid cups during cycles
• Ensures detergent doors open and close reliably for measured release
• Helps prevent detergent residue from spilling into the tub when closed
• Commonly replaces cracked, warped, or damaged trays that cause poor dispensing

• One upper dispenser tray

• Designed for replacement inside the dishwasher door; access typically requires removing the inner door panel
• Disconnect power and water to the appliance before beginning any repair
• Inspect dispenser actuator and springs while replacing the tray and replace any worn components

This OEM water hose routes and contains water within your appliance's plumbing path. Replacing a worn or damaged hose helps restore a watertight connection and prevents leaks, odors, and water-related faults. What it does:

• Carries water between internal components
• Maintains a sealed flow path to prevent drips and leaks
• Helps proper circulation and drainage by avoiding kinks or collapses
• Common failure signs include visible cracks, brittleness, leaks, or moisture under the unit

• 1 hose

• Disconnect power and turn off the water supply before servicing
• Protect flooring; pull the appliance forward for access
• Note hose routing and clamp positions; take photos for reference
• Inspect/replace clamps or O-rings if worn; verify no leaks on test cycle

The Hose Clamp is an OEM part for Bosch washers. This clamp secures connecting hoses to direct water flow where needed.

Causes of a bad hose clamp can be wear and tear over time, accidental damage from maintenance or repairs, or degradation of the clamp material from chemical exposure.

Symptoms of a bad hose clamp include:

• Leaks around hose connections
• Loose or detached hoses
• Disrupted water flow impacting cleaning performance

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

This is a replacement drain hose that carries wastewater from the appliance to the household drain, restoring proper drainage and preventing leaks. Designed to match OEM fit and routing for a direct swap. What it does

• Channels wastewater from the appliance pump to the household drain or air gap
• Helps prevent leaks when properly installed and undamaged
• Restores normal drain cycles when a cracked or clogged hose causes slow or no draining
• Flexible design resists kinks and allows proper routing behind the appliance

• One replacement drain hose

• Turn off power and water supply before starting any repair
• Inspect hose ends and clamps; replace clamps if corroded or missing
• Route hose per appliance routing to avoid kinks and ensure proper drain height/loop

This analogue pressure sensor detects water pressure to help the appliance monitor and control water level during cycles, reducing overfill and poor wash performance. It replaces a failed or intermittent pressure-sensing assembly. What it does:

• Senses water/air pressure changes and sends an analogue signal to the control board
• Helps the appliance detect correct water level for fill and drain operations
• Commonly used when the appliance shows water level errors, won't fill properly, or cycles erratically
• Can resolve intermittent or no-signal conditions caused by a faulty sensor

• One analogue pressure sensor

• Disconnect power (and water, if applicable) before inspection or replacement
• Handle the sensor and its connector carefully to avoid damage to terminals or diaphragm
• Verify hose and fittings to the sensor are clean and free of kinks or blockages

This pressure chamber hose connects the dishwasher's water-level pressure chamber to the control/pressostat, allowing accurate water-level sensing for reliable cycle operation. Replaces damaged or clogged hoses that can cause incorrect water sensing. What it does:

• Transfers pressure from the water chamber to the pressure sensor so the appliance detects correct fill levels
• Commonly replaced when a cracked or blocked hose causes incorrect fill, overflowing, or cycle interruptions
• Helps restore proper water-level sensing and prevents false overfill/underfill indications
• Works as part of the pressure-sensing assembly—does not include sensors or clamps unless specified

• One pressure chamber hose

• Disconnect power and water supply before attempting replacement
• Inspect and remove any kinks, debris, or buildup that could restrict pressure flow
• Ensure secure, leak-free connections at both ends and use original-style clamps if required

The Outlet Hose is an OEM replacement part for Bosch washing machines. As a flexible but durable tube, it safely routes water out of the washer during drain cycles. The outlet hose efficiently expels water through its bonded, leak-proof construction.

Causes of a bad outlet hose typically involve normal wear and prolonged usage. Repeated bending during drainage can cause cracking or splitting in vulnerable areas over time.

Symptoms of a bad outlet hose include:

• Water leaks inside or around the rear of the washer  
• Inability to fully drain water after cycles complete
• Standing water prevents dry cycles from starting  
• Mineral deposits inside from dried leaks or blockages

Replacing your outlet hose with this OEM part restores proper drainage. It ensures reliable emptying of the washing tub. Compatible with some Thermador, Gaggenau, and select Kenmore units.

This flexible water hose routes water between internal components in your appliance. Replacing a worn or cracked hose restores a sealed, reliable water path to help prevent leaks and water-flow issues.

• Directs water between assemblies to maintain proper flow
• Helps keep the water path watertight to avoid leaks
• Can resolve symptoms like slow/failed draining, pooling water, or visible drips
• Replaces hoses that are brittle, cracked, kinked, or clogged

• Disconnect power and shut off water supply before servicing
• Place towels or a pan to catch residual water; note original routing
• Move over and secure existing clamps/seals; avoid kinks during routing
• Run a test cycle and check all connections for leaks

This holder is a replacement mounting bracket that secures a small internal component in place to restore proper alignment and support. It helps keep parts stable so the appliance operates as intended. What it does

• Secures and supports an internal component to prevent movement or misalignment
• Replaces cracked, broken, or worn mounting points that allow rattling or improper part position
• Restores stable contact where a loose component causes intermittent operation or noise
• Fits a specific OEM location; use the part number to confirm exact application

• One replacement holder/mounting bracket

• Disconnect power and water before starting any repairs
• Inspect surrounding clips or fasteners and reuse or replace as needed—this part typically snaps or screws into place
• Handle plastic mounting parts gently to avoid cracking during installation

This fastening ring secures a rotating or stationary component in place to help prevent movement and vibration. It restores proper fit and alignment so assemblies run quietly and components stay locked in position. What it does:

• Holds shafts, bearings or housings in position to prevent axial movement
• Helps stop rattling, wobble or misalignment caused by a loose retaining component
• Maintains a secure mechanical connection between mating parts
• Used wherever a snap/retaining ring is required to lock a component on a shaft or in a bore

• Disconnect power and water before beginning any repair
• Use the correct pliers or tools for snap/retaining rings to avoid deformation
• Verify the ring matches the OEM part number and seating location before installation

The Affresh Washer Cleaner 3 Pack is an OEM cleaning accessory designed specifically for washing machines. This multipack contains 3 packets of a proven formula that helps eliminate odors from the washer tub, door, gasket, and drain areas. Regular cleaning is important to remove dirt, soap scum, mildew, and other residue that can build up over time and lead to odors. The Affresh tablets contain oxygen-powered enzymes and fresh scent boosters that are released during the cleaning cycle to safely and effectively eliminate musty smells.

This multipack of Green 4.2-ounce tablets ensures you have enough doses for consistent cleaning to keep your washer smelling fresh. As the #1 recommended washer cleaner brand, Affresh is also compatible for use in Maytag, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and select Kenmore washers.

A replacement drain hose that routes wastewater from the dishwasher tub to the household drain. Replacing a damaged or clogged drain hose restores proper draining, helps prevent standing water and reduces the risk of leaks. What it does:

• Channels wastewater from the dishwasher to the home drain so cycles can finish without leaving water in the tub.
• Provides a sealed path to prevent leaks under the appliance; cracks or splits can cause puddles or floor damage.
• Flexible routing helps avoid kinks and obstructions; a blocked or pinched hose can cause slow draining or drain-related error codes.

• Disconnect power and water supply before starting any work.
• Remove the lower access panel or toe kick to access the hose and note original routing before removal.
• Reconnect using the existing clamps or appropriate replacement clamps; ensure fittings are seated and secured to prevent leaks.
• Run a short drain cycle and inspect all connections and surrounding areas for leaks.

This door lock assembly secures the appliance door during operation so cycles can run safely and reliably. It replaces a worn or broken latch to restore proper door closure and locking action. What it does:

• Secures and latches the appliance door so the unit can start and run
• Prevents the door from opening mid-cycle, reducing leaks and interruptions
• Common fix for door-not-locking, door won't stay closed, or related error codes
• Works as the mechanical/electrical interface that detects a closed door

• Disconnect power before beginning any repair to avoid shock
• Handle carefully; avoid forcing the latch or twisting mounting tabs
• Verify correct orientation and engage mounting screws securely but not overtighten

The Washer Filter-Fluff is an OEM replacement part for Bosch washing machines. It is a critical component responsible for capturing lint, debris, and other particles that may accumulate during the wash cycle, preventing them from clogging the drainage system or causing damage to the machine.

Over time, the accumulation of lint and debris can impede the filter's effectiveness, leading to drainage issues and reduced washing performance. Physical damage to the filter can also compromise its ability to capture lint properly.

Symptoms of a bad washer filter-fluff include:

• Slow or incomplete draining of the washing machine
• Excessive lint on clothes after washing
• Unusual noises during the drain cycle
• Error codes related to drainage issues

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

The Drain Pump is an OEM part for Bosch washing machines. It is responsible for removing water from the washer drum during the drain cycle, ensuring that the washing process completes efficiently. The pump forces the water out through the drain hose, preventing water from pooling in the drum.

Causes of a bad drain pump can include blockages from debris, wear and tear from regular use, or electrical issues.

Symptoms of a bad washer drain pump include:

• The washer not draining water
• Unusual noises during the drain cycle
• Error codes related to drainage issues on the washer’s display
• Water left in the drum after the wash cycle

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

This is a factory replacement set packaged under this part number. It provides matched components specified by the manufacturer to restore proper fit and function when the original set pieces are worn, missing, or damaged.

• Supplies the exact grouped parts designated for this repair
• Helps resolve issues caused by missing, loose, or broken components
• Supports correct assembly, alignment, or sealing as designed
• Common signs include rattling, misalignment, or parts that won't stay secured

• Disconnect power and shut off water or gas before servicing
• Refer to your model's parts diagram for placement and orientation
• Handle sharp edges/components carefully; wear cut-resistant gloves
• Verify operation before final reassembly

This outer housing cover protects internal components and finishes the appliance exterior, helping keep dirt and moisture out while maintaining a clean, safe appearance. Fits original equipment to restore proper enclosure. What it does:

• Shields internal wiring, controls, and mechanisms from debris and accidental contact
• Helps prevent moisture and grime from reaching sensitive parts
• Restores the appliance's exterior appearance when the original cover is cracked or missing
• Can reduce drafts or minor vibration paths when installed correctly

• One outer housing cover

• Disconnect power (and water, if applicable) before beginning any repair
• Use appropriate hand tools; retain all fasteners for reassembly
• Inspect adjoining seals and mounting points; replace damaged hardware as needed

This replacement cover protects internal appliance components by sealing and shielding them from debris, moisture, and incidental contact. It restores the appliance's original enclosure function for safer, quieter operation. What it does

• Shields internal parts from dust and splashes
• Helps maintain proper airflow and component alignment where applicable
• Reduces risk of accidental contact with moving or live parts
• Can address rattling or exposure caused by a missing or damaged cover

• One replacement cover

• Install with the appliance unplugged or power turned off at the breaker
• Remove any panels or fasteners blocking access before fitting the cover
• Use original screws or clips; tighten securely but avoid over-torquing
• Document positions of any moved wiring or components and reconnect correctly

This water inlet hose gasket seals the connection between the supply hose and the appliance's inlet fitting. Replace a flattened or damaged washer to stop drips at the coupling and restore a reliable, watertight connection.

• Creates a watertight seal at the inlet hose-to-appliance connection
• Helps prevent drips, puddles, and water damage around the machine
• Replace if the old gasket is cracked, hardened, flattened, or missing
• Common symptoms: leaking at the hose coupling or needing to retighten the fitting to stop drips

• Disconnect power and turn off the water supply before servicing
• Place a towel to catch residual water, then detach the inlet hose from the appliance fitting
• Remove the old gasket from the hose coupling and seat the new gasket evenly
• Reattach and hand-tighten the coupling; open water supply and check for leaks—do not overtighten

The Water Valve is an OEM part for Bosch washing machines. This valve controls the flow of water into the washer during the fill and rinse cycles, ensuring the proper amount of water is used for each cycle. 

Causes of a bad washer water valve can include wear and tear over time, mineral deposits or debris blocking the valve, or electrical malfunctions.  

Symptoms of a bad washer water valve include:

• The washer not filling with water or filling very slowly
• Water continuing to fill even when the machine is off
• Leaking or dripping from the valve area
• Error codes related to water flow issues

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

This hose inlet connects the household water line to the appliance's fill system, restoring proper water delivery for normal cycles. It's a direct replacement for damaged, cracked, or leaking inlet hose assemblies. What it does

• Channels incoming water from the supply into the appliance's fill system.
• Prevents leaks at the supply connection when intact and properly installed.
• Commonly replaces hoses that are cracked, split, or worn and causing visible leaks.
• Can resolve issues with poor or no water fill when the hose is blocked or damaged.

• Disconnect power and shut off the water supply before starting.
• Inspect and replace any worn O-rings, ferrules, or clamps as needed.
• Hand-tighten fittings, then secure with recommended clamps; avoid overtightening.

This hose inlet is the dishwasher water-connection fitting that routes incoming water into the appliance. It provides a secure connection to help prevent leaks and ensure consistent water supply for normal wash cycles. What it does:

• Connects the household water supply to the dishwasher's internal water system
• Seals the inlet to help prevent drips or leaks at the connection point
• Ensures the appliance receives steady water flow for proper filling and operation
• Be replaced when the inlet is cracked, corroded, or leaking

• Disconnect power and shut off the water supply before starting any work
• Inspect and replace any worn O-rings or gaskets when installing the new inlet
• Hand-tighten fittings and then check for leaks; retorque per OEM guidance if available

The Affresh Washer Cleaner 3 Pack is an OEM cleaning accessory designed specifically for washing machines. This multipack contains 3 packets of a proven formula that helps eliminate odors from the washer tub, door, gasket, and drain areas. Regular cleaning is important to remove dirt, soap scum, mildew, and other residue that can build up over time and lead to odors. The Affresh tablets contain oxygen-powered enzymes and fresh scent boosters that are released during the cleaning cycle to safely and effectively eliminate musty smells.

This multipack of Green 4.2-ounce tablets ensures you have enough doses for consistent cleaning to keep your washer smelling fresh. As the #1 recommended washer cleaner brand, Affresh is also compatible for use in Maytag, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and select Kenmore washers.