Bosch Dishwasher Not Cleaning or No Water Spraying? Circulation Pump 00239144 – Fix Wash Failure Fast

A Bosch dishwasher that leaves dishes dirty, has no water spraying from the arms, makes a humming noise without washing, or stops mid-cycle has a failed circulation pump — the core of the entire wash system. In most Bosch, Siemens, Thermador, and Gaggenau dishwashers, the circulation pump 00239144 pressurizes water and drives it through the spray arms to clean dishes. When it fails, water sits in the sump without circulating, spray arms stop spinning, and dishes come out dirty or wet regardless of cycle selection. ⚡ The most common mechanical failure in Bosch dishwasher platforms. Part 00239144 is the genuine OEM circulation pump that restores full wash pressure and gets your dishwasher cleaning properly again.

❓ Is This the Right Part?

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

• ✔ Your dishwasher powers on and fills with water normally
• ✔ The drain pump works — water drains at the end of the cycle
• ✔ The spray arms are not blocked by debris or food particles
• ✔ The wash filter is clean and properly seated in the sump
• ✔ ONLY problem is no water circulation, poor cleaning, or humming without spray during wash cycle

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

🔧 Common Symptoms

• Dishes not getting clean — most common search: “Bosch dishwasher not cleaning dishes”
• No water spraying from upper or lower spray arms during wash cycle
• Dishwasher hums or buzzes but no water movement during wash
• Cycle runs to completion but dishes are still dirty and wet
• Error code E09 or similar pump fault displayed on panel
• Burning smell from the sump area — pump motor overheating without water flow

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

✔ In most cases, replacing this circulation pump restores full wash pressure and cleaning performance immediately.

📦 Part Details

• Part Number: 00239144
• Type: Circulation Pump – Bosch-Platform Dishwasher Wash System
• Replaces: OEM direct-fit pump — supersedes 00266511, 00491434, 00580361, 239144, 266511, 491434 (no modification required)
• Brands: Bosch, Siemens, Thermador, Gaggenau

⚙️ Installation

Skill Level: Moderate — 45–60 minutes. Disconnect power before beginning. Remove the lower rack, spray arm, and wash filter to access the sump. The circulation pump is secured to the sump housing with a quarter-turn lock or screws depending on the model — photograph the wiring harness and hose connections before disconnecting. Transfer the pump housing seal to the new pump 00239144, seat it into the sump, reconnect the harness and hoses, and run a short wash cycle to confirm full spray arm rotation and no leaks.

💡 Pro Tip

Model hub pages: Contact us to verify your model number — supported model list being updated. Send us your model number to confirm fitment before ordering.