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Mdb959sbs1 Parts

Some parts shown may not be for your model. To see parts for your model only, select it from "Matching Model Numbers" list on the left.

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Dishwasher Lower Rack Convertible Row Tine
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99003496

Lower rack fold-away tine row for dishwasher. Replace when tines rust, break, or no longer fold properly. Verify fit with your model number listed.

Do-It-Yourself Stories from Customers like You The tines rusted   Don G. • Murray , UT • December 13, 2015

Replaced the tines. It was a piece of cake! Read more

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O-Ring (Seal), 1
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99002003

This O-ring creates a watertight seal in your dishwasher's wash or drain system, helping prevent leaks and maintain proper water pressure. Replace a brittle, flattened, or damaged ring to restore a reliable, leak-free connection.

  • Provides a watertight seal between mating parts such as pump housings, fittings, or hose joints
  • Helps stop drips and seepage caused by a worn or deformed seal
  • Common symptoms: water under the unit, moisture around pump/tubing connections, or leaks after reassembly
  • Replace if the old ring is cracked, cut, flattened, or hardened
What's included: 1 O-ring Install notes:
  • Disconnect power and turn off the water supply before servicing
  • Place a towel or shallow pan to catch residual water
  • Clean the groove and mating surfaces; lightly moisten or use a manufacturer-approved lubricant to help the ring seat without pinching
  • Seat evenly, reassemble without overtightening, and run a short test cycle to check for leaks

Do-It-Yourself Stories from Customers like You Had water leak between door causing puddling on floor   Frank M. • Shelby Charter Township , MI • February 04, 2017

Removed 8 screws that retain inner door to outer door. Removed rinse aid dispenser nut and replaced O-ring around dispenser. Also, removed 2 screws that retain the latch assembly and replaced rubber grommet around latch lever that retains soap dispenser door. Read more

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Dishrack Adjuster
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10153534

Right hand side. For the left hand side order WPW10153533.

Do-It-Yourself Stories from Customers like You Glide wheel broke off dishwasher rack   Martijn V. • Clinton Twp , MI • June 28, 2016

New part was ordered and replaced on dishwasher rack. Read more

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Latch
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99001291

Note: Check Serial Number for correct part

Do-It-Yourself Stories from Customers like You My dishwasher would not start the latch would not catch   Gary L. • Calmar , IA • July 04, 2017

I installed the door latch assembly and handle. It worked fine after that. Read more

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Dishwasher Front Bowl Tine
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99002137

This is a plastic tine that holds dishes in place within your dishwasher rack. It can be folded down when loading larger items and springs back up to secure smaller dishes and glasses. Replace it when tines are broken, won't stay upright, or can't hold dishes securely during wash cycles.

Do-It-Yourself Stories from Customers like You Rusted tines!   Bill V. • Marlette , MI • November 15, 2014

Bought new from you and it worked out well. Read more

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Dishwasher Tine Row
Genuine Whirlpool part
By: Whirlpool
Part Number: 12002218

This plastic component holds individual tines in proper position on your dishwasher rack, keeping them aligned and secure during wash cycles. Each tine row contains multiple plastic prongs that hold dishes and utensils in place. Replace this tine row if individual tines are broken, missing, or no longer hold dishes securely in position.

Do-It-Yourself Stories from Customers like You Rusty worn out dishrack and parts   Michael R. • Morris Plains , NJ • March 26, 2016

I ordered new replacement parts. Read more

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Wheel Mounting Plate
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99002073

 

Do-It-Yourself Stories from Customers like You Broken pieces.   Lorrie N. • Glen Allen , VA • July 29, 2017

Thank goodness for this website and their how-to videos! I wouldnt have been able to fix the dishwasher in my new house without the videos. Easy fixes and so much cheaper than having to buy a whole new top rack! Read more

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Power Control Board Assembly
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99002825

LED 12 button electronic control board

This part fixes the following symptoms
  • Won't start
See more...
Do-It-Yourself Stories from Customers like You Unable to make a cycle on the dishwasher pc board switch failure   Bob R. • Savage , MN • January 10, 2016

Replaced PC board. Easy to remove old board and install the replacement. It doesn't get much easier than this. Read more

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Drain Pump O Ring
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99002857

 

This part fixes the following symptoms
  • Will not drain
See more...
Do-It-Yourself Stories from Customers like You The drain pump was not working properly   Michael F. • Mountain Ranch , CA • January 28, 2015

I ordered the part from you which amazingly showed up less than 20 hours after I ordered it. I then watched a video you produced about replacing the part. Between those two things I had my dishwasher up and running withing 36 hours of talking to your rep. Read more

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Dishwasher Panel Mounting Screw
Genuine Whirlpool part
By: Whirlpool
Part Number: WPY912620

Replacement screw for securing dishwasher door panels, inner liners, and internal brackets. Needed when original screws are stripped, missing, or damaged.

Do-It-Yourself Stories from Customers like You Door latch on my dishwasher was broken   William H. • Columbia , SC • January 26, 2018

Ordered the part from AppliancePartsPro's, watched the video, new latch works perfect. I've repaired several appliances in my house by diagnosing simple problems going to AppliancePartsPro's diagram's, ordering the part and installing myself. Never had any problems. The bearing in the back of the dryer was tricky but worked great. Keep track of all parts when you disassemble and assemble in reverse order. Taking photos as you disassemble helps for referencing if you get stumped. Read more

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Electronic Control Board
Genuine Whirlpool part
By: Whirlpool
Part Number: WPW10218826

 

Do-It-Yourself Stories from Customers like You The dishwasher control panel looked normal but the dishwasher would not start the panel went through the cycle as if it had a normal wash but it did not washed   Bill D. • Cumberland , RI • January 15, 2016

I verified the door interlock switches and the float switch in the base tub, all verified so I ordered the main electronic board, The board arrived and I installed it and everything is working great. Read more

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Dishwasher Rack Track
Genuine Whirlpool part
By: Whirlpool
Part Number: WPY912545

Guides dishwasher rack for smooth sliding. Replace this track when cracked, bent, or worn to restore stable rack movement and prevent binding or sagging.

Do-It-Yourself Stories from Customers like You Upper rack of dishwasher was not pulling out smoothly   Douglas L. • Bellaire , TX • March 03, 2015

Ordered new frame, wheels and SS slide for the bad side. Job was done in 10 minutes and the rack now works smoothly. Read more

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Dishwasher Nozzle Jump Up
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99001787

Fix dishes not cleaning or low water pressure in your dishwasher. This nozzle jump up directs water to the spray arm. Easy 5-minute install, no tools needed.

Do-It-Yourself Stories from Customers like You Our dishwasher was not cleaning the dishes no water pressure it seemed   Melissa F. • Falls Church , VA • June 06, 2015

I looked in the bottom of the dishwasher and saw that the center piece of the water wheel had somehow come loose. That center piece was lodged under the heating element and was now somewhat beaten and melted. We looked on line for an illustrated parts breakdown and found it on Appliance Parts Pros website. The diagram was so clear and straight forward that it was easy to see the part that we needed and another part (when we looked) we also found missing. Well, 3 days later the parts came in... Read more

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Control Board Housing (Base)
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99002576

This control board housing secures and protects the washer's electronic control board, keeping circuitry stable and shielded from moisture and debris for reliable operation. It fits into the console area and supports proper control panel alignment. What it does:

  • Holds and protects the electronic control board inside the console from impact, dust and moisture.
  • Keeps the control board properly positioned for reliable electrical connections.
  • Helps prevent control panel wobble or misalignment that can cause button or dial issues.
  • Commonly replaced when housing is cracked, broken mounting tabs fail, or board access is needed.
What's included:
  • 1 control board housing
Install notes:
  • Disconnect power and water to the appliance before beginning any repair.
  • Handle the control board and housing carefully to avoid damage to connectors or circuit components.
  • Use appropriate tools to remove console components; replace damaged mounting tabs and secure all fasteners.
  • Discharge any capacitors and follow the board manufacturer's ESD/safety recommendations.

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Flapper, Drain Pump
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99002815

 

Do-It-Yourself Stories from Customers like You Leaked.   Harrison I. • Salem , OR • July 05, 2020

Replaced pump and filter. Read more

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Inlet, Air/Water
Genuine Whirlpool part
By: Whirlpool
Part Number: WP99003028

 

Do-It-Yourself Stories from Customers like You Leaking during cycle.   Heather W. • Wind Gap , PA • April 13, 2018

Replaced gasket. Read more

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  • Over 2.1 Million Parts In Stock Over 2.1 Million Parts In Stock
  • 2 Day Quick Delivery! 2 Day Quick Delivery!
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