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The center spray arm fails to rotate during the wash cycle because of physical damage, warping, or a broken retainer clip that prevents free rotation.
Visible cracks, splits, or broken sections in the spray arm body caused by impact with tall dishes or heat stress, resulting in water leaking rather than spraying properly.
The rubber grommet/boot at the rear of the arm deteriorates or tears over time, breaking the water-tight seal against the back wall of the dishwasher and reducing spray pressure.
💡 Pro Tip: Is Your Center Spray Arm the Problem?
Your part is likely the culprit if you notice any of the following:
⚠️ Dishes and glassware in the upper rack come out dirty or with food residue after a full wash cycle
⚠️ The center spray arm is visibly cracked, warped, or no longer spins freely when pushed by hand
⚠️ Uneven or reduced water pressure from the middle rack area during the wash cycle
⚠️ The rubber rear gasket/grommet is deteriorated, torn, or has fallen off, causing water to bypass the spray arm
🔍 Diagnostic tip: Pull out the upper rack, rotate the spray arm by hand – it should spin smoothly with no wobble. Hold it up to light and inspect each hole; visible cracks or blocked jets confirm replacement is needed. Also check that the rear oval rubber boot seats flush against the dishwasher back wall when the rack is fully pushed in.
📦 What's in the Box
✅ 1× Center Spray Arm Assembly (ABS plastic, gray – includes rotating bar, water-feed tube, dual snap retainers, and rear rubber seal grommet)
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Disclaimer: Compatibility information, part numbers, and model fitment data on this page are sourced from manufacturer databases and third-party references. While we strive for accuracy, please verify your appliance model number before ordering. Heima is not responsible for errors or omissions in compatibility listings.
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