Mercedes W203 W211 M271 Water Pump Pulley A2712020110 is an original part from the Water Pumps category, designed for M271 series gasoline engines installed in W203 and W211 models. The used pulley ensures proper power transfer to the water pump, which translates to stable cooling system operation and safe engine performance.
Specifications and technical data
- SKU: A2712020110
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2712020110
- Substitutable numbers: A2712020110, A 271 202 01 10
- Location on the vehicle: Front
- Fuel type: Petrol
- Category: Water Pumps
Pulley Purpose and Function
The water pump pulley in the M271 engine is responsible for mechanically driving the pump via the accessory belt, ensuring efficient coolant circulation. A correctly selected pulley guarantees:
- stable water pump RPM across the full operating range of the gasoline engine,
- proper interaction with other accessory components,
- maintenance of optimal engine operating temperature.
The part is mounted in the front of the vehicle, within the engine's accessory drive system, facilitating service access and visual inspection.
Compatibility with M271 Gasoline Engines
The presented pulley is dedicated to M271 series gasoline engines used in Mercedes W203 and W211 models. Using a component that matches the factory specifications helps maintain:
- correct accessory belt routing,
- alignment with factory mounting points,
- appropriate rotational ratio between the crankshaft and the water pump.
This ensures predictable cooling system operation and reduces the risk of engine overheating.
Characteristics of the Used Part
This pulley is a used part, obtained from disassembly, offering an attractive purchase price while retaining the original manufacturer's specifications. A used part is a good solution when:
- a damaged pulley needs a quick replacement,
- compatibility with original engine accessories is crucial,
- an economical repair with appropriate quality is important.
Original pulleys from this series are designed for long-term cooperation with the water pump, promoting stable operation of the entire cooling system.
Benefits of Using an Original Pulley
Using an original pulley in the water pump drive system offers several practical benefits:
- Factory Fitment – maintains correct geometry and alignment with other pulleys.
- Cooling System Cohesion – appropriate water pump RPM supports efficient heat dissipation from the engine.
- Hassle-Free Installation – no modifications or adaptations required, the part fits into the factory location.
For workshops and individual users, this means shorter repair times and a reduced risk of operational issues after replacement.
Mercedes Water Pumps – Selection and System Expansion
If you are looking for other parts from the Water Pumps category for this brand, check out our offer for Mercedes Water Pumps to comprehensively care for your car's cooling system.
Technical Support and Fuel System Knowledge
When planning service work, it's beneficial to consider the entire powertrain – from the cooling system to the engine's fuel supply. For in-depth knowledge on diagnostics, selecting parts by OEM numbers and VIN, as well as component refurbishment, the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Refurbishment will be helpful, offering practical tips and answers to common questions.
Why Consider Used Accessory Parts
For components like a water pump pulley, used parts can be a sensible compromise between cost and functionality. If you want to better understand the used parts market and address concerns about the durability and cost-effectiveness of such solutions, refer to the article Used Car Parts: Myths and Facts You Need to Know, where you'll find a factual discussion of popular opinions and practical purchasing advice.
