Dishwasher Not Cleaning? Wash Arm Support WP8268342 – Fix Poor Wash Performance Fast

Dishes coming out dirty, gritty, or with food residue after a full cycle is a classic sign of a failed or detached wash arm support. In most Whirlpool, Maytag, and KitchenAid dishwashers, the wash arm support holds the lower spray arm in position and ensures it spins freely with proper water pressure. When it cracks, breaks, or detaches, the spray arm wobbles, loses alignment, or stops spinning entirely — and the lower rack stops getting cleaned. ⚡ Common failure point on Whirlpool-platform dishwashers, especially after years of thermal cycling. Part WP8268342 is the genuine OEM replacement that restores proper spray arm seating and full lower-rack wash performance immediately.

❓ Is This the Right Part?

This is the correct fix if ALL of the following are true:

• ✔ The dishwasher powers on and runs through a full cycle
• ✔ The upper rack and top spray arm appear to be working
• ✔ Water supply and inlet are confirmed OK
• ✔ ONLY problem is poor cleaning on the lower rack — or the lower spray arm is visibly loose, wobbly, or not spinning

Not sure? Send us your model number — we'll confirm before you order.

🔧 Common Symptoms

• Lower rack dishes coming out dirty or with food residue after a full cycle
• Lower spray arm visibly loose, wobbly, or detached during inspection
• Spray arm not spinning freely — catches or drags on the support
• Cracked or broken wash arm support visible at the base of the tub

✔ If these symptoms match, this is the most likely failed component in the system.

✔ In most cases, replacing this wash arm support restores full lower-rack cleaning performance immediately.

📦 Part Details

• Part Number: WP8268342
• Type: Dishwasher Lower Wash Arm Support / Spray Arm Mounting Hub
• Replaces: 8268342
• Brands: Whirlpool, Maytag, KitchenAid, Amana

⚙️ Installation

Skill Level: EASY — 10–15 minutes. Disconnect power before servicing. Remove the lower dish rack and unscrew or unclip the lower spray arm from the wash arm support. Lift out the old support, drop the new one into position, and reattach the spray arm. Reinstall the rack and restore power.

✓ Compatible Models

Compatible with a range of Whirlpool, Maytag, and KitchenAid dishwasher models. Contact us to verify your model number before ordering.

💡 Pro Tip