Mercedes M177 Oil Pump Assembly
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.
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If non-engine specific rotary pumps
Rotary pumps have separate heading regardless of engine use
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Fuel system pumps have dedicated statistical breakout
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Import Tips & Compliance
• 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
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