Mercedes-Benz W123 Water Pump
New, used, or aftermarket – from sellers across Europe.
Parts availability
This part appears to be widely available.
Estimated price range
Widely available Limited Hard to find
Last updated: 03.06.2026, 13:43
Water Pump for your Mercedes-Benz W123?
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Prices from recent listings
| Source | Condition | Price (approx.) | Last seen |
|---|---|---|---|
| eBay | New | 40.70 € | 2026-05-28 |
| eBay | New | 39.90 € | 2026-05-28 |
| eBay | New | 39.90 € | 2026-05-28 |
| eBay | New | 39.10 € | 2026-05-28 |
| eBay | New | 30.24 € | 2026-05-28 |
| eBay | New | 48.90 € | 2026-05-28 |
| eBay | New | 44.95 € | 2026-05-28 |
| eBay | New | 46.15 € | 2026-05-28 |
Indicative values only – current prices may vary.
Find Mercedes-Benz W123 parts online
hank's free AI report searches specialized shops for Mercedes-Benz W123 parts, including Dronsfields, LLLParts & partsformercedes-benz.com.
About this part
The water pump on your W123 circulates coolant between the engine and radiator. A failing pump causes overheating, leaks and in severe cases engine damage – timely replacement is essential.
Frequently asked questions
What should I check when buying a replacement water pump for the Mercedes-Benz W123?
Match the exact engine code and the model year of your W123. Check whether the gasket and thermostat housing are included, as these are commonly replaced together.
Should I replace the timing belt and water pump together?
If the timing belt drives the water pump, yes. The labour to access both overlaps significantly, making it far more cost-effective to replace them at the same time.
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