Description
The Mercedes-Benz Oil Separator (Part No. A6510160321) is a genuine crankcase breather assembly designed to manage oil vapors and maintain proper pressure within the engine’s crankcase ventilation system. This precision-engineered component separates oil particles from blow-by gases, reducing oil consumption and preventing carbon buildup inside the intake system.
Manufactured to exact Mercedes-Benz standards, the A6510160321 oil separator ensures long-lasting reliability, proper engine ventilation, and optimized performance. It plays a critical role in maintaining clean air-fuel mixture ratios, emission control, and the longevity of turbocharged diesel engines.
Key Features:
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Genuine Mercedes-Benz part
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Part number: A6510160321
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Function: Crankcase ventilation oil separator / breather
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Reduces oil carry-over and intake contamination
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Helps control emissions and maintain engine efficiency
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Precision fit and durable OEM-quality construction
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Recommended replacement for worn or clogged separators
Compatibility / Fitment:
Commonly used in Mercedes-Benz diesel engines (OM651 series) found in models such as:
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C-Class (W204, W205)
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E-Class (W212, W213)
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GLA / GLC / Vito / Sprinter
Always confirm fitment with your vehicle’s VIN or Mercedes-Benz EPC before purchase.
Maintenance Tip:
Replace the oil separator at recommended service intervals or when experiencing excessive oil vapor, leaks, or engine performance issues.

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