Dishwasher Not Cleaning Dishes or Leaving Food Residue? Lower Spray Arm WG04F12866 – Fix Weak Spray Fast

A cracked, clogged, or seized lower spray arm is the most common cause of poor cleaning performance, food residue on dishes, and uneven water distribution in GE dishwashers. In most GE and GE Profile dishwashers, the lower spray arm rotates during the wash cycle and distributes pressurized water across the entire lower rack — reaching every plate, bowl, and piece of cookware. When it cracks, clogs, or loses its rotation, water pressure drops, spray coverage becomes uneven, and dishes on the lower rack come out dirty no matter how much detergent is used. ⚡ One of the most common wear parts in GE dishwashers — spray holes clog and arm bodies crack from repeated heat and pressure cycles. Part WG04F12866 is the genuine OEM replacement lower spray arm that restores full water pressure, even spray coverage, and factory cleaning performance immediately.

❓ Is This the Right Part?

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

• ✔ Dishwasher powers on and runs cycles normally
• ✔ Water supply is connected and water inlet valve is confirmed functional
• ✔ Upper rack dishes are cleaning normally — only lower rack is affected
• ✔ ONLY problem is poor cleaning, food residue, or weak/uneven spray on the lower rack

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

🔧 Common Symptoms

• Dishes on the lower rack not getting clean — food residue remains after a full cycle
• Lower spray arm visibly cracked, broken, or not rotating during the wash cycle
• Spray holes clogged with mineral deposits that won’t clear with cleaning
• Lower rack dishes cleaner on one side than the other — uneven spray coverage

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

✔ In most cases, replacing this lower spray arm restores full cleaning performance immediately.

📦 Part Details

• Part Number: WG04F12866
• Type: Dishwasher Lower Spray Arm — rotates during wash cycle to distribute pressurized water across the lower rack
• Replaces: WG04A04894, WG04A03470, WG04F12060, WD22X26621, WD22X10091, 265D1416G001A, 265D1416G001
• Brands: GE, GE Profile

⚙️ Installation

Skill Level: Easy — 5–10 minutes. No tools required. Disconnect power before servicing. Pull the lower dish rack out completely and locate the spray arm in the center of the tub floor. Grasp the old arm and pull straight up (slight twist may be needed) to release it from the mount post. Align the new WG04F12866 over the mount post and press firmly down until it clicks into place. Spin the arm by hand to confirm free rotation, replace the rack, and run a test cycle.

✓ Compatible Models

Confirmed compatible with GDT580SGF6WW, PDT705SYW1FS, GDF510PGR5WW, GDF510PGR6WW, GDF510PSJ6SS, GDF510PSR5SS, GDF510PSR6SS, GDF511PGR5BB, GDF511PGR5WW, GDF511PGR6BB, GDF511PGR6WW, GDF511PSR5SS plus additional GE and GE Profile dishwasher models. Contact us to verify your model number before ordering.

💡 Pro Tip