Bosch Dishwasher Spray Arm & Related

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 Center Spray Arm and Tube Assembly is an OEM replacement part for Bosch dishwashers. This assembly features a rotating central spray arm attached to a feed tube. During wash cycles, water and cleaning solution pump through the tube to eject forcefully from spray holes positioned across the fixed and rotating arms. 

Causes of failure include mineral deposits clogging spray holes over time or tubes developing cracks from prolonged high-pressure usage. Bearings within arms may also experience normal wear.

Symptoms of a problematic assembly are:

• Reduced or uneven spray coverage inside the tub
• Dirty dishes clustered in certain areas post-wash
• Loud noises or grinding from spray arm movement
• Spray jets that do not rotate or eject water as designed

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

The Spray Arm is an OEM part for Bosch dishwashers. It is responsible for evenly distributing water across the dish racks during wash cycles using a rotating arm and nozzle design.

Causes of a bad spray arm can include mineral or limescale buildup that inhibits water pressure/flow, or damage from accidental impact that impacts its rotation. Over time, normal wear and tear on plastic spray arms can also affect optimal spray coverage.

Symptoms of a bad spray arm include:

• Poor or uneven cleaning results
• Dirt or food debris remaining on dishes after cycles complete
• Clogs or blockages in the arm and nozzle openings

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

The Lower Spray Arm is an OEM part for Bosch dishwashers. This part is responsible for spraying water and detergent solution onto the dishes during the wash cycle, ensuring thorough cleaning.

Causes of a malfunctioning Lower Spray Arm can include clogging or obstruction from food debris, mineral buildup, or foreign objects.  

Symptoms of a bad Lower Spray Arm include:

• Poor cleaning performance, with dishes coming out dirty or with food particles remaining
• Water not spraying evenly or failing to rotate during the wash cycle
• Loud grinding or knocking noises coming from the spray arm area

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

Tall item spray head.
This Spray Head is an OEM part for Bosch Dishwashers. It plays a role in distributing water evenly during the dishwasher's washing cycles. Continuous exposure to hard water, debris, or mineral deposits can cause issues with this component.

What Causes a Bad Spray Head:
Hard water deposits, debris, or mineral buildup can clog or block the spray head, affecting its performance. Physical damage can also impair its functionality.

Symptoms of a Bad Spray Head:

• Inadequate cleaning of dishes
• Uneven water distribution
• Reduced water pressure during washing cycles

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

Replacement spray arm that restores water distribution for better rinse coverage and more even cleaning. Installs in the dishwasher tub to re-establish spray patterns and water flow lost to cracks or wear. What it does:

• Rotates and directs high-pressure jets of water to rinse and loosen food soils from dishes and cookware
• Restores proper spray coverage when the original arm is cracked, clogged, warped, or not spinning freely
• Helps reduce spots and missed areas by re-establishing even water distribution across racks
• Works with the dishwasher's pump and tubing to maintain normal wash performance

• Disconnect power and turn off the water supply before beginning any service
• Remove lower rack and any retaining clip or cap to access the spray arm; note orientation for reassembly
• Inspect and clear spray holes of debris before installing; ensure the arm spins freely after installation
• Do not overtighten mounting hardware; replace any damaged clips or seals for a secure fit

The Middle Spray Arm is an OEM replacement part for Bosch dishwashers. It is a rotating component located in the lower dishwasher rack that assists in evenly distributing water across dishes during the wash cycle. 

Symptoms of a bad spray arm include:

• Incomplete cleaning of dishes, even after multiple cycles  
• Soap scum or food soils remaining in hard-to-reach areas
• Dishes coming out either spotty or dry in areas not rinsed properly

Causes of spray arm failure can be worn out or damaged arm brackets preventing proper rotation, cracks in the arm itself inhibiting water coverage, or mineral buildup inhibiting 360-degree rotation. 

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