Whirlpool Dishwasher Middle Spray Arm - WPW10448645

Restore proper mid-level dishwasher spray coverage with this genuine OEM Whirlpool Dishwasher Center Wash Arm Assembly - WPW10448645. This center wash arm assembly rotates during the wash cycle and helps direct water for more even cleaning performance.

WPW10448645 is a genuine OEM Whirlpool dishwasher center wash arm assembly used when the original arm cracks, clogs, or no longer rotates correctly. This is a center wash arm assembly.

Fits These Brands / Families: Whirlpool, KitchenAid, Maytag, Jenn-Air, Amana, Estate, Roper, Admiral, and select Kenmore dishwasher platforms

Compatible Model Examples: WDT730PAHB0, WDT730PAHV0, WDT730PAHZ0. These are examples, not every compatible model.

Fitment / What To Verify: Verify the original spray-arm location before ordering. This is a center wash arm assembly, not a lower-arm replacement.

This part commonly replaces previous part numbers including W10448645.

Please confirm fitment with your appliance model number before ordering.

Is it time to replace?

• Common Symptoms: Poor cleaning results, weak spray action, or dishes left with residue in the affected spray zone.
• Visible/Sensory Cues: Cracked arm body, blocked spray holes, worn hub area, or an arm that no longer rotates freely.

Pro Tip: Inspect the feed connection and any support bracket during the repair. Water-delivery or mounting problems can reduce the performance of the replacement arm.

Technical Specifications

Legacy part number(s)/code(s): W10448645

If you have questions, please message us before ordering so we can address your concerns. Please review our Return Policy before purchasing.

Please note: Check the model diagram for any separate mounts, seals or retainers; the included components can differ by part number.