Parts for Thermador DWHD440MFP/08: Spray Arm / Racks Parts

The Affresh Dishwasher Cleaner is an OEM accessory designed specifically for Whirlpool brand dishwashers. This citrus-scented tablet removes residue, odor-causing soils, and food particles from the dishwasher tub and gasket area during the cleaning cycle. Symptoms of a buildup include unwanted odors emanating from the dishwasher, especially after opening the door. Over time, residue and grime accumulate in hard-to-reach areas and provide an environment for mold and mildew growth.

Regular cleaning helps prevent this by removing leftover soils before they harden or encourage bacterial activity. The Affresh tablet utilizes a unique blend of cleaning ingredients that target soils and biofilms through a combination of powerful scrubbing action and natural cleaning enzymes.

As the #1 recommended dishwasher cleaner brand, Affresh is also compatible for use in Maytag, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and select Kenmore dishwashers for consistent cleanliness and freshness. The package includes six tablets 4.2 ounces

The Spray Arm Water Supply Tube is an OEM replacement part for Bosch dishwashers. This tube is responsible for directing water from the dishwasher’s pump to the spray arms, ensuring that dishes are thoroughly cleaned during the wash cycle. Per Bosch this part includes 10027073.

Over time, the spray arm water supply tube can become clogged with debris, develop cracks, or suffer from wear and tear due to regular use. Issues such as mineral buildup, damage from loading and unloading dishes, or general deterioration can affect its performance.

Symptoms of a bad spray arm water supply tube include:

• Poor cleaning performance with food particles left on dishes
• Low water pressure at the spray arms
• Leaks inside the dishwasher
• Unusual noises during the wash cycle

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

The Spray Arm is an OEM part for Bosch dishwashers. This component is responsible for distributing water throughout the dishwasher during a cycle, ensuring that dishes are evenly and effectively cleaned.The spray arm features multiple jets that optimize water flow and maximize cleaning efficiency.

Symptoms of a bad Spray Arm include:

• Poor cleaning results, with food particles or soap residue left on dishes.
• Water not spraying or distributing evenly inside the dishwasher.
• Visible cracks or blockages in the spray arm holes.
• The arm not rotating freely during cycles.

Causes of a bad spray arm can include hard water deposits clogging the jets, physical damage from loading large items, or general wear and tear affecting the arm's rotation mechanism.

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

The Lower Spray Arm is an OEM part for Bosch dishwashers. It is responsible for delivering water directly under the lower rack of the dishwasher for targeted cleaning of pots, pans, and other utensils.  The lower spray arm directs a powerful spray of water while rotating rapidly during the wash cycle spraying water against all interior surfaces.

Symptoms of a bad lower spray arm include:

• Inadequate cleaning of lower rack items
• Grime buildup underneath the lower rack 
• Loose or unable to rotate spray arm

Causes of a bad lower spray arm can include mineral deposits or contaminants clogging the nozzle openings, worn out or damaged spray jets, or damage to the arm itself preventing proper rotation.

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

The Cover is an OEM part for Bosch dishwashers. It provides a protective barrier that shields internal components from damage and extends the life of the appliance.

The cover is exposed to heat, humidity, and debris during each wash cycle. Over time and repeated use, these conditions can cause cracks, warping or breakdown of the protective plastic material.

Causes of a bad cover include normal wear and tear, accidental dents or punctures, and exposure to excess heat or chemicals.

Symptoms of a cover needing replacement include:

• Visible cracks or holes that compromise the barrier
• Loose or sagging fit that allows internals to be exposed
• Warping or melting of the protective plastic shield

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

This fine filter sits in the dishwasher's sump filter system. It screens out small food particles so wash water stays cleaner, helping prevent debris from recirculating onto dishes and protecting internal wash components for consistent cleaning performance. What it does:

• Traps fine debris before it recirculates through the spray system
• Helps maintain water clarity for more consistent cleaning results
• Worn, torn, or warped mesh can lead to gritty residue, particles on dishes, or odors
• Replace if the filter is damaged, missing, or will not lock in place

• 1 fine filter

• Power off the dishwasher, open the door, and remove the lower rack
• Turn the filter assembly counterclockwise to unlock and lift it out
• Separate the fine filter and install the new one
• Reinstall and lock the assembly clockwise until fully seated; do not force

The Micro Pump Filter is an OEM part for Bosch dishwashers, designed to capture and prevent debris from entering the pump and circulating system of the dishwasher. This crucial component ensures that water remains clean throughout the wash cycle, protecting the dishwasher's internal components from damage due to particles and food residue. 

Causes of damage to the micro pump filter often involve the accumulation of debris and food particles over time, which can lead to clogging or physical damage.

Symptoms of a bad Micro Pump Filter include:

• Poor cleaning performance, with particles left on dishes after a wash cycle 
• Unusual noises coming from the dishwasher 
• Water not draining properly 

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

The Roller Kit is an OEM part for Bosch dishwashers. This kit includes the rollers necessary for the smooth movement of the dishwasher's racks, ensuring they glide in and out effortlessly for easy loading and unloading of dishes.

Causes of a bad roller kit can include continuous use, exposure to high temperatures and humidity, or accidental damage during loading and unloading. Over time, these factors can cause the rollers to crack, wear down, or break.

Symptoms of a bad roller kit include:

• Difficulty sliding the dishwasher racks in or out
• Racks getting stuck or not staying in position
• Unusual noises when moving the racks
• Uneven or wobbly racks

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

This is a replacement door handle that restores safe, reliable grip and normal door operation. Designed to match the original fit and appearance for a clean, factory-style repair. What it does:

• Provides a secure gripping point to open and close the appliance door
• Replaces cracked, broken, loose, or missing handles that make the door hard to operate
• Restores proper alignment so the door seals and latches correctly
• Returns the appliance's exterior to a finished, like-new look

• One replacement handle

• Disconnect power and water before starting any repair
• Typically mounts to the door with screws or clips; inner door panel removal may be required
• Inspect fasteners and surrounding trim for damage and replace as needed

Keep your appliance running as designed with this genuine replacement part. It's engineered for an exact fit to restore proper operation when the original component is worn, damaged, or faulty.

• Replaces a failed original component to restore intended function
• Can help address issues such as poor performance, intermittent operation, unusual noises, or error codes
• Built to match the original fit and connection points on compatible models
• Durable, factory-specified component for reliable service

• Disconnect power (and shut off water or gas if applicable) before servicing
• Use appropriate hand tools and protective gloves
• Follow your model's service manual; note wire/part locations before removal
• Verify correct operation before reassembling covers and panels

The Tine Row Holder is an OEM component specifically designed for select Bosch dishwashers. Located inside the tub basin, it secures the tine row assembly in place to direct spray patterns.

Symptoms of a bad tine row holder include:

• Improper spray distribution inside the tub
• Loosening of the tine rows from their intended position  
• Visible cracks or damage to the holder's mounting points

Causes of failure may be normal wear over time or accidental impacts that compromise integrity. Mineral buildup could also affect its securing function.

This replacement holder is also compatible with Gaggenau and Thermador dishwashers.

The Insert is an OEM component specifically designed for Bosch dishwashers. It provides the mounting point for detergent dispenser, cutlery basket and rinse aid container within the tub interior.

Causes of a bad insert can include stress cracks developing over time, damage from dropped silverware impacting plastics, or parts wear hampering proper installations.  

Symptoms of a bad insert include:

• Accessories like baskets detach or sit unevenly during cycles
• Possible leaks occurring from compromised seals  
• Interference affecting spray arm rotation underneath 

Replacing with this OEM insert restores fittings for all-in-one wash solutions. Designed for long-term use, it supports functionality with durable construction.

This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore dishwashers. Replace to maintain optimal cleaning and drying performances.
 

The Insert Dishwasher is an OEM part for Bosch dishwashers. It is a metal basket insert that mounts inside the lower rack of the dishwasher. This insert divides the lower rack into separate sections, allowing for more organization and better placement of dishes, cutlery, and other small items. 

Symptoms of a bad insert include: 

• Improper fitting or stability of items placed on the lower rack
• Difficulty loading or removing dishes and utensils from the lower rack
• Missing or damaged sections of the insert that reduce functionality 

Causes of a bad insert can include wear and tear over time, damage due to impact or improper loading/unloading of dishes, or corrosion from repeated exposure to detergent and high temperatures during the wash cycle.

It is also compatible with some Thermador, Gaggenau, and Kenmore models that use similar lower rack configurations.
 

The Tine Holder is an OEM replacement part for Bosch dishwashers. It secures the tines within the dishwasher, which in turn holds the dishes in place during the wash cycle. This component ensures that dishes remain stable and stationary, preventing movement that could lead to damage or incomplete cleaning.

Symptoms of a bad Tine Holder include:

• Tines becoming loose or falling out of place
• Dishes not being held securely, leading to movement or clattering during cycles
• Inability to adjust tines effectively for different dish sizes
• Visible damage or wear to the holder, affecting its grip on the tines

Causes for a malfunctioning Tine Holder can include physical damage from loading or unloading dishes, wear and tear from regular use, or material degradation over time.

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

The Tine Row Holder is an OEM replacement part for Bosch dishwashers. Located inside the upper basket, it securely holds a row of retractable spray arm tines in place. 

Causes of a faulty tine row holder can include cracks or breaks in the plastic from repeated folding and unfolding of the tines over time.

Symptoms of a bad tine row holder include:

• Tines detaching from the spray arm assembly and getting loose inside the tub 
• Inability to properly angle or position spray coverage where needed
• Reduced washing power on certain sections of loaded dishes

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

The Affresh Dishwasher Cleaner is an OEM accessory designed specifically for Whirlpool brand dishwashers. This citrus-scented tablet removes residue, odor-causing soils, and food particles from the dishwasher tub and gasket area during the cleaning cycle. Symptoms of a buildup include unwanted odors emanating from the dishwasher, especially after opening the door. Over time, residue and grime accumulate in hard-to-reach areas and provide an environment for mold and mildew growth.

Regular cleaning helps prevent this by removing leftover soils before they harden or encourage bacterial activity. The Affresh tablet utilizes a unique blend of cleaning ingredients that target soils and biofilms through a combination of powerful scrubbing action and natural cleaning enzymes.

As the #1 recommended dishwasher cleaner brand, Affresh is also compatible for use in Maytag, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and select Kenmore dishwashers for consistent cleanliness and freshness. The package includes six tablets 4.2 ounces

This door latch interlock secures the appliance door and signals the control when it's safely closed, allowing cycles to start and run without interruption. Replacing a worn latch restores reliable starts and proper safety interlock function.

• Locks the door closed during operation to prevent interruptions
• Sends a "door closed" signal to the control so a cycle can start
• May resolve issues like failure to start or stopping when the door is bumped
• Helpful when the door won't click shut or shows a "door open" alert

• Disconnect electrical power at the breaker before servicing
• Open the door and remove the inner-door screws to access the latch area
• Move connectors one at a time to the new latch; ensure each is fully seated
• Reassemble, verify the strike aligns for a positive "click," and run a short test cycle

The Tine Row Holder is an OEM part for Bosch dishwashers. It is designed to securely hold the tines in place within the dishwasher rack, allowing for optimal organization and stability of dishes during the wash cycle.

You should replace this tine row holder if it becomes damaged or fails to secure the tines properly. Causes of a bad tine row holder can include breakage due to heavy loads, wear and tear from frequent use, or damage from accidental impacts.

Symptoms of a bad tine row holder include:

• Tines that do not stay upright or move out of place
• Difficulty arranging dishes securely in the rack
• Unstable or loose tines during the wash cycle
• Unusual noise from the dishwasher rack area

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

The Tine Row Holder is an OEM part for Bosch dishwashers. It is designed to hold and secure the tines in place within the dishwasher rack, allowing you to organize dishes efficiently for optimal cleaning. This holder ensures that the tines remain upright and stable, providing proper spacing for dishes and preventing them from shifting during the wash cycle.

Causes of a bad tine row holder can include regular wear and tear from frequent use, damage from heavy or improperly loaded dishes, or brittleness from prolonged exposure to high temperatures and detergent. These issues can lead to the tine row holder breaking or failing to secure the tines properly.

Symptoms of a bad tine row holder include:

• Tines falling over or becoming loose
• Difficulty organizing dishes in the dishwasher rack
• Visible cracks or damage to the holder

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

This dishwasher cup shelf mounts to the upper rack to hold cups, mugs, stemware, and small items securely. Replace a broken or missing shelf to keep items upright and organized throughout the wash cycle.

• Provides a platform on the upper rack for cups, mugs, stemware, and small items
• Helps keep items upright and reduces movement during wash and rinse
• Restores proper loading when the original shelf is cracked, loose, or missing
• Common signs: broken mounting tabs, shelf won't stay in place, cups tipping over

• Unload the upper rack; removing the rack can make access easier
• Align the shelf's mounting tabs with the rack wires and snap firmly into place
• Confirm the shelf moves freely and does not interfere with the spray arm
• Test with a light load to ensure secure placement before full use

The Silverware Basket is an OEM component for Bosch dishwashers. Located within the lower rack, it provides a handy holder for washing utensils together during cycles.   Bosch has resdesigned the Silverware basket, basket received may vary in design from the photo. 

Causes of a faulty basket typically involve natural wear of plastic handle and base parts. Mineral scale buildup left unaddressed between cleanings jeopardizes smooth component movement as well.

Symptoms of a damaged or defective Silverware Basket include:

• Difficulty or inability to smoothly roll the basket out  
• Detached sections no longer securely containing cutlery
• Noticeable cracks developing within the plastic casing
• Rough surfaces impeding smooth operation

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

This micro filter is a fine-mesh replacement filter that traps food particles and debris in the dishwasher sump, helping maintain wash performance and protect the pump and drain from clogs. What it does:

• Captures small food particles to prevent recirculation and reduce spotting
• Helps keep the dishwasher drain and pump from clogging
• Supports consistent water flow for better cleaning results
• Can reduce odors caused by trapped debris in the filter area

• Disconnect power and turn off water supply before servicing
• Remove the lower rack to access the sump area; follow your owner's manual for filter removal
• Ensure the filter is properly seated and locked before running a cycle
• Clean surrounding areas and inspect for additional debris while replacing the filter

This single-use dishwasher cleaner removes limescale, grease and odor-causing residue from the interior and spray arms to help restore cleaning performance. It's designed for routine maintenance between deep-clean services. What it does:

• Dissolves limescale, hard-water buildup and mineral deposits that can reduce spray-arm flow and detergent action
• Breaks down grease and food film that cause lingering odors or cloudy glassware
• Helps clear residue from seals, filter housing and spray nozzles for more consistent wash results
• Safe for use in dishwasher tubs and internal components when used as directed

• One single-use bottle of dishwasher cleaning solution

• Follow the dishwasher maker's directions: typically empty dishwasher, place bottle in the rack or dispenser, run the specified cleaning cycle
• Use only as directed; do not mix with other chemicals or detergents
• Keep out of reach of children and pets; avoid contact with skin and eyes — rinse thoroughly if contacted
• Dispose of container per local regulations after use

The Affresh Dishwasher Cleaner is an OEM accessory designed specifically for Whirlpool brand dishwashers. This citrus-scented tablet removes residue, odor-causing soils, and food particles from the dishwasher tub and gasket area during the cleaning cycle. Symptoms of a buildup include unwanted odors emanating from the dishwasher, especially after opening the door. Over time, residue and grime accumulate in hard-to-reach areas and provide an environment for mold and mildew growth.

Regular cleaning helps prevent this by removing leftover soils before they harden or encourage bacterial activity. The Affresh tablet utilizes a unique blend of cleaning ingredients that target soils and biofilms through a combination of powerful scrubbing action and natural cleaning enzymes.

As the #1 recommended dishwasher cleaner brand, Affresh is also compatible for use in Maytag, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and select Kenmore dishwashers for consistent cleanliness and freshness. The package includes six tablets 4.2 ounces