Dishwasher Won't Fill or Drain? Leaking at Faucet? – Fix Your Unicouple Fast

A failed unicouple assembly is the most common cause of portable dishwasher connection failures on GE and compatible models. When it fails, the dishwasher cannot fill with water, drain properly, or maintain a leak-free seal at the faucet. ⚡ Don't let a $90 part sideline your dishwasher. Part WG04A05001 is the genuine OEM replacement that restores full water inlet and drain function with a secure, leak-free quick-connect fit.

❓ Is This the Right Part?

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

• ✔ You have a GE, Hotpoint, Mabe, or compatible Kenmore portable dishwasher
• ✔ Your model is confirmed in the compatible list below
• ✔ The dishwasher connects to the faucet via a quick-connect coupler (not hardplumbed)
• ✔ Your current unicouple hose or coupler is cracked, worn, or leaking
• ✔ ONLY problem is the faucet connection / water supply or drain at the coupler

🔧 Common Symptoms

• Leaking water at the faucet connection during or after a cycle
• Dishwasher won't fill with water
• Dishwasher won't drain at end of cycle
• Poor water flow resulting in poor cleaning performance
• Difficulty attaching or detaching the coupler from the faucet
• Hose or coupler visibly cracked, brittle, or worn

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

✔ In most cases, replacing this unicouple assembly restores normal operation immediately.

📦 Part Details

• Part Number: WG04A05001
• Type: Unicouple Assembly (Dual-hose quick-connect faucet adapter kit) — Item #787 in diagram
• Replaces: 0120808214, WG04A04341, WD24X10043, WD01X10310 (no modification required)
• Brands: GE, Hotpoint, Mabe, select Kenmore (verify by model)

⚙️ Installation Notes

Skill Level: Very Easy (1/5) — 10–15 minutes DIY. Disconnect the dishwasher from the faucet and power before beginning. Remove the old unicouple by releasing the quick-connect coupler from the faucet and disconnecting both hoses at the dishwasher. Attach the new assembly in reverse order — connect hoses to the dishwasher ports first, then snap the coupler onto the faucet. Check all rubber washers are seated correctly before running a test cycle. No tools required in most cases.

✓ Compatible Models

Confirmed compatible with GSC3500D00WW, GSC3500D55WW, GSC3500D56WW, GSC3500D64WW, GSC3500D65WW, GSC3500D66WW, GPT225SSL0SS. Contact us to verify your model number before ordering.

💡 Pro Tip

GSC3500D00WW, GSC3500D55WW, GSC3500D56WW, GSC3500D64WW, GSC3500D65WW, GSC3500D66WW, GPT225SSL0SS

✓ Model-Specific Repair Pages