Mercedes M177 Oil Pump Assembly from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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