Mercedes M177 Oil Pump Assembly from Mexico
Variable displacement vane oil pump for Mercedes-AMG M177 4.0L V8 biturbo spark-ignition engine. Regulates pressure 2.5-6.0 bar for dry sump lubrication system. 8409.91.99 as principal spark-ignition engine lubrication part.
Duty Rate — Mexico → United States
12.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Pressure relief valve specs and mounting flange prove M177 compatibility
• Flow rate test data (75L/min @ 6000 RPM) validates engine-specific design
• Generic pumps without engine reference risk 8413.60 pump classification