2720500003 2720520603 Engine Crankshaft Timing Gear Fit for Mercedes-Benz W203 W164 R171

Engine Crankshaft Timing Gear for Mercedes-Benz W203, W164, R171 (2720500003 / 2720520603)

1. Part Numbers: This crankshaft timing gear features OEM part numbers 2720500003 and 2720520603, ensuring strict compliance with Mercedes-Benz engineering standards. These codes validate authenticity and guarantee a factory-precise fit for reliable timing system operation.
2. Vehicle Compatibility: Specifically engineered for:
   • Mercedes-Benz W203 (C-Class, 2000–2007)
   • W164 (ML-Class, 2005–2011)
   • R171 (SLK-Class, 2004–2011)
     Designed for M272 V6 engines (3.0L/3.5L). Verify your vehicle’s engine code (e.g., M272.940) for exact fitment.
3. Function & Quality: Synchronizes crankshaft rotation with the timing chain, critical for precise valve timing and combustion efficiency. Constructed from heat-treated cast iron, it withstands high engine temperatures (up to 160°C) and mechanical stress. Precision-machined teeth ensure smooth engagement with the timing chain, reducing wear and noise. Replacing worn gears restores timing accuracy, prevents chain slippage, and preserves engine performance in M272-powered models.

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