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71.99 GBP

Mann Filter C257301 Air Filter

Height [mm]: 383Inner diameter [mm]: 119Outer diameter [mm]: 249

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Mann Filter C257301 Air Filter – The Ultimate Protection for Your Engine

The Mann Filter C257301 Air Filter is engineered to deliver superior filtration performance for a wide range of commercial and industrial engines. Designed with precision, this filter guarantees that only the cleanest air reaches your engine’s combustion chamber, thereby enhancing efficiency, extending service life, and maintaining optimal power output.

Key Features & Technical Specifications

  • High‑Efficiency Filtration: Utilises advanced multi‑layer media that captures particles as small as 0.5 µm, ensuring maximum protection against dust, grit, and contaminants.
  • Robust Construction: Encased in a durable, weather‑resistant housing that withstands harsh operating environments, including extreme temperatures and corrosive atmospheres.
  • Low Pressure Drop: Maintains an optimal airflow balance, reducing engine load and preserving fuel economy without compromising filtration quality.
  • Universal Compatibility: Fits a broad spectrum of engines such as MERCEDES‑BENZ, MAN, STEYR, and various heavy‑duty truck models, including the L2000 series.
  • Easy Installation: Designed for quick replacement with minimal downtime. The filter’s standard dimensions (approx. 249 mm) align with most OEM specifications.
  • Long Service Life: Engineered to last up to 12,000 km or more under normal operating conditions, reducing maintenance frequency and cost.

Compatibility Matrix

The C257301 is a versatile filter that matches numerous engine types. Below is an overview of common applications:

Manufacturer / Model Engine Type Filter Size (mm)
MERCEDES‑BENZ – 6,9 L 4,6 L Diesel 249
MAN – L2000 / L2000 Evolution Heavy‑Duty Diesel 249
STEYR – MAN Series Commercial Truck 249
MANN‑TRUCK – L2000 Industrial Diesel 249

Installation Guide

  1. Preparation: Ensure the engine is cool and disconnect the battery to avoid accidental start‑up.
  2. Remove Old Filter: Open the filter housing, carefully detach the old filter, and discard it responsibly.
  3. Inspect Housing: Check for debris or damage; clean if necessary with a dry cloth.
  4. Insert New Filter: Place the C257301 into the housing, aligning the airflow direction arrow correctly.
  5. Secure Housing: Tighten all fasteners to manufacturer specifications; ensure no gaps or leaks.
  6. Reconnect Battery & Start Engine: Verify proper operation and check for any abnormal noises or pressure drops.

Maintenance Tips

  • Inspect the filter every 6,000 km during routine service checks.
  • Replace the filter if you notice a significant increase in engine load or a drop in fuel efficiency.
  • Avoid cleaning the filter with water; it is designed for replacement only.
  • Store unused filters in a dry, dust‑free environment to preserve media integrity.

Benefits of Choosing Mann Filter C257301

  • Enhanced Engine Longevity: By preventing particulate ingress, the filter protects critical engine components such as pistons, valves, and fuel injectors.
  • Improved Fuel Efficiency: Clean air flow reduces combustion inefficiencies, leading to measurable savings over time.
  • Consistent Performance: Maintains optimal airflow even in dusty or corrosive environments, ensuring reliable operation under all conditions.
  • Environmental Compliance: Reduces particulate emissions by keeping the engine running cleaner and more efficiently.

Why Mann Filter Stands Out

Mann Filter is a globally recognized brand known for its rigorous quality standards and commitment to innovation. The C257301 Air Filter embodies this legacy, combining cutting‑edge filtration technology with robust construction. Whether you operate a fleet of heavy trucks or maintain a single commercial vehicle, this filter delivers the reliability and performance you can trust.

Conclusion

The Mann Filter C257301 Air Filter is more than just an accessory; it is a critical component that safeguards your engine’s heart. With its high‑efficiency media, durable housing, and universal fitment, this filter offers unmatched protection for demanding applications. Invest in the C257301 today to experience cleaner air, longer engine life, and sustained performance across all operating conditions.


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- Engine Air Filters
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es
45.40 EUR
at
41.64 EUR
de
36.07 EUR
it
43.88 EUR
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Identifiers
Brand Mann Filter

Mann Filter is a German automotive parts company that produces filters for air, fuel, oil, and hydraulic systems. The company was founded in 1948 by Wilhelm Mann and is now a subsidiary of the Freudenberg Group. Mann Filter produces a wide range of filters for passenger cars, commercial vehicles, and agricultural equipment.
Model Mann Filter C 25 730/1
MPN Mann Filter C 25 730/1
ID 7041785
Dimensions / Weight
Key Features

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Height [mm]: 315Inlet ø [mm]: 8Outer Diameter [mm]: 55Outlet ø [mm]: 8Return pipe connector Diameter [mm]: 8
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