Guangzhou Ronglikai Auto Parts Co., Ltd.
| Payment Terms | L/C,D/A,D/P,T/T |
| Supply Ability | Available |
| Delivery Time | 3-7days |
| Packaging Details | Neutral Packing/Brand Packing/Customize Packing |
| Condition | New Condition |
| Crankshaft Warranty | 12 months |
| Model | for Mercedes Benz W211 W636 M272 |
| Compatibility | Mercedes Benz vehicles |
| Performance | Meets or exceeds OEM standards |
| Quality | High quality |
| Brand Name | BEMWQ |
| Model Number | 2720300803 2730300303 |
| Certification | ISO 9001, ISO 9000, ISO 14001, IATF16949, ISO 14064 |
| Place of Origin | Guangzhou,China |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T | Supply Ability | Available |
| Delivery Time | 3-7days | Packaging Details | Neutral Packing/Brand Packing/Customize Packing |
| Condition | New Condition | Crankshaft Warranty | 12 months |
| Model | for Mercedes Benz W211 W636 M272 | Compatibility | Mercedes Benz vehicles |
| Performance | Meets or exceeds OEM standards | Quality | High quality |
| Brand Name | BEMWQ | Model Number | 2720300803 2730300303 |
| Certification | ISO 9001, ISO 9000, ISO 14001, IATF16949, ISO 14064 | Place of Origin | Guangzhou,China |
| High Light | Mercedes Benz crankshaft belt pulley ，M272 engine pulley for W211 ，BEMWQ auto pulley W636 | ||
2720300803 BEMWQ Auto Crankshaft Belt Pulley for Mercedes Benz W211 W636 M272
| Product Name | Crankshaft Belt Pulley |
| Delivery Time | 3-7days |
| OE Number | 2720300803 2730300303 |
| Material | Steel |
| Brand | BEMWQ |
| Warranty | 2 year |
This is the BEMWQ Auto Crankshaft Belt Pulley (Part Number: 2720300803 / A2720300803), often integrated with a harmonic balancer/damper. It is mounted on the front of the crankshaft in Mercedes-Benz vehicles equipped with the M272 engine. This critical component drives the serpentine belt to power essential engine accessories—such as the alternator, power steering pump, water pump, and air conditioning compressor—while simultaneously dampening torsional vibrations generated by the crankshaft to protect the engine and belt drive system .
Precision Fitment: Specifically engineered for Mercedes-Benz chassis models including E-Class (W211), Citan (W636), and other vehicles with M272 engines, ensuring a direct OEM-standard fit without the need for modifications .
Integrated Damper Construction: Built with a durable metal core and a high-quality elastomer (rubber) isolation ring that acts as a vibration damper, designed to absorb engine harmonics and withstand long-term rotational stress, heat, and cracking .
OE Specifications: Manufactured to match original equipment standards in terms of pulley diameter, rib count (typically multi-groove), bore size, and balancing to ensure proper belt alignment and consistent power transfer .
Eliminates Noise & Vibration: Replacing a worn or separated pulley (where the rubber isolator fails) removes annoying engine rattles, squealing belts, and excessive vibrations, restoring a smooth and quiet idle .
Prevents Accessory Failure: Ensures stable rotational speed and proper belt tension, preventing the serpentine belt from slipping or coming off, which could otherwise lead to sudden loss of power steering, battery charging failure, or engine overheating .
Durable & Direct Replacement: Offers a cost-effective, reliable alternative to OEM parts with exact factory dimensions, allowing for a straightforward and secure installation for both professional mechanics and DIY enthusiasts .
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2008
Total Annual:
5000000-8000000
Employee Number:
80~100
Ecer Certification：
Verified Supplier
Guangzhou Ronglikai Auto Parts Co., Ltd. was established in 2012 and is headquartered in Guangzhou, China. We specialize in chassis components and engine wear parts for premium vehicle brands, particularly Mercedes-Benz and BMW. With years of industry experience, Ronglikai has grown into a professio... Guangzhou Ronglikai Auto Parts Co., Ltd. was established in 2012 and is headquartered in Guangzhou, China. We specialize in chassis components and engine wear parts for premium vehicle brands, particularly Mercedes-Benz and BMW. With years of industry experience, Ronglikai has grown into a professio...
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