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Womala Engine Crankshaft Pulley A2750300003 Crankshaft Pulley for Mercedes Benz W463 W220
The Engine Crankshaft Pulley (Crankshaft Pulley, OE Number: A2750300003) is a core component in the engine accessory drive system, exclusively designed for Mercedes Benz W463 and Mercedes Benz W220 models. Mounted directly on the engine crankshaft, it serves as the power transmission hub—transferring rotational force from the crankshaft to critical accessories (e.g., alternator, power steering pump, air conditioning compressor) via a drive belt. As an OE-grade part, it matches Mercedes Benz’s strict dimensional and performance standards, ensuring seamless fitment and long-term reliability for high-displacement engines (M275, M277, M279 series) in these models.
Constructed with high-strength alloy steel (for structural rigidity) and integrated vibration-damping rubber components, this pulley withstands extreme conditions: high rotational speeds (up to 6,000+ RPM), torsional stress from the crankshaft, and engine bay heat (up to 150°C+). It resists wear, deformation, and rubber aging, avoiding belt slippage or pulley failure that could disable accessory systems.
Core Functions
Power Transmission: Converts the crankshaft’s rotational motion into usable power for accessories. This enables the alternator to charge the battery, the power steering pump to provide steering assistance, and the AC compressor to cool the cabin—ensuring all auxiliary systems operate in sync with the engine.
Vibration Damping: The built-in rubber damping layer absorbs torsional vibrations from the crankshaft. This reduces stress on the drive belt and accessory bearings, minimizing noise (e.g., belt squeal) and extending the service life of connected components.
Belt Alignment: Features a precision-machined groove for the drive belt, maintaining accurate alignment. Proper alignment prevents uneven belt wear, slippage (which reduces accessory efficiency), and premature belt replacement.
Compatible Vehicles
This Engine Crankshaft Pulley (OE: A2750300003) is tailored for Mercedes Benz W463/W220 models and their corresponding engine codes:
Brand
Model/Engine Code
Mercedes Benz
W463, W220 (M275 E55)
Mercedes Benz
W463, W220 (M275 E60)
Mercedes Benz
W463, W220 (M277 E60)
Mercedes Benz
W463, W220 (M279 E60)
Notes:
This pulley is model and engine-specific—it only fits Mercedes Benz W463 (e.g., G-Class) and W220 (e.g., S-Class) models equipped with M275, M277, or M279 V12 engines. Do not use it for other Mercedes Benz model series.
When replacing, confirm the exact engine code (e.g., M275 E55 vs. M279 E60) via the vehicle’s VIN or engine bay label—minor differences in engine displacement may affect fitment.
Post-installation, check drive belt tension and alignment using Mercedes Benz’s official diagnostic tools to avoid accessory malfunction or belt damage.
Frequently Asked Questions
Q: How to determine if the bumper bracket needs replacement?
A: Signs of a failing bumper bracket include visible damage or deformation, misaligned bumper panels, unusual noises from the front end, or if the bumper appears loose or sagging on one side.
Q: What should be paid attention to when replacing the bumper bracket?
A: For optimal results, we recommend professional installation. Key considerations include ensuring proper alignment of all mounting points, checking for additional damaged components, and verifying all fasteners are properly torqued to specification.
Why Choose Our Products
Extensive Industry Experience: 13 years specializing in Volvo auto parts with precise product matching and technical solutions.
Quality Assurance: 10-stage quality inspection process including durability testing, surface roughness analysis, and dimensional verification.
Manufacturing Excellence: 15,000㎡ production base with 10,000+ SKUs in inventory for fast order fulfillment.
Strategic Partnerships: Collaborations with 50+ factories including suppliers to international brands like Bosch and Hella.
Company Profile
Established in Guangzhou China, Womala Auto parts as a comprehensive company with five branches has engaged in Volvo parts for more than 10 years.There are hundreds of professional staff working in our supply department, sales and logistic support departments.Thanks to the deep coop... Company Profile
Established in Guangzhou China, Womala Auto parts as a comprehensive company with five branches has engaged in Volvo parts for more than 10 years.There are hundreds of professional staff working in our supply department, sales and logistic support departments.Thanks to the deep coop...
