Whirlpool Dishwasher Center Wash Arm Support / Upper Dishrack Manifold WPW10340542

Whirlpool OEM upper dishrack manifold, also called an upper dishrack water-supply tube or center wash arm support. It supports the middle spray arm and connects it to the dishwasher water-feed tube.

Is This the Right Part?

Common Symptoms

• Dishes are not cleaned properly
• Middle spray arm may not spin when the water-supply tube is clogged or broken
• Leakage at the manifold or docking connection
• Worn or damaged docking-gasket flaps can impair water delivery

Check Before Replacing

• Inspect the manifold and docking connection for cracks, breaks, clogging, or visible leakage.
• Confirm that the middle spray arm can receive water through the upper dishrack supply connection.
• Inspect the integrated gasket or rubber flaps for deterioration, missing pieces, or loss of sealing.
• If the upper spray arm does not spin, check this tube for blockage or damage before replacing other wash-system components.

Pro Tip

Part Details

Key Features

• Genuine Whirlpool OEM part
• Upper dishrack water-supply tube and spray-arm manifold assembly
• Supports the middle spray arm
• Integrated docking/sealing components are included with the assembly
• New replacement part
• 1-year manufacturer warranty reported by an authorized appliance-parts retailer

Installation Notes

• Disconnect electrical power before servicing the dishwasher.
• Remove the upper spray fixture and release the old supply tube/manifold from its connection; documented repair instructions describe the replacement as a hand-installable snap-in repair on applicable models.
• Verify that the docking gasket and water connection are fully seated after installation.

Verified Compatible Models

665.12762K310, 665.12763K310, 665.12773K310, 665.12774K312, 665.12776K310, 665.12776K311, 665.12793K311, 665.12793K314, 665.12803K310, 665.12833K313, 665.14754N512, 665.14759N511, 665.14799N513, 2214792N512, 2214793N512, 2214799N512, 66512762K312, 66512762K314, 66512763K312, 66512763K313, 66512763K314, 66512769K312, 66512769K313, 66512769K314, 66512772K312, 66512772K313, 66512772K314, 66512773K312, JDB8000AWB1, JDB8000AWB2, JDB8700AWP3, JDB9200CWS1, JDB9200CWX3, JDB9800CWP2, KDFE104DSS3, KDFE104HBL1, KDFE204ESS3, KDFE204EWH1, KDFE304DBL1, KDFE454CSS2, KDTE104DSS1, KDTE104EBS4, KDTE204DWH1, KDTE204EWH2, KDTE234GBS1, KDTE254EBL0, KDTE254EBL2, KDTE254EWH3, KDTE304DBL0, KDTE334DSS1, KDTE334DWH0, KDTM354DSS3, KDTM354ESS0, KDTM384ESS3, KUDE40FXSS6, KUDE50FBSS0, KUDL15FXSS7, WDF730PAYB6, WDF730PAYT4, WDF730PAYT7, WDF775SAYW1, WDF780SLYB2, WDP560HAMZ1, WDT790SLYW2, WDT910SAYE1, WDT970SAHZ0, KDTE204DSS0, KUDE48FXWH5, WDT730PAHB0, WDT730PAHV0, WDT730PAHW0, WDT730PAHZ0, WDT790SAYB1, WDT790SAYM1, WDT790SAYW1, WDT790SLYM1, WDT970SAHB0, WDT970SAHV0, WDT970SAHW0, WDTA50SAHZ0

Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.