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MAN 81.47301-6005 Oil Filter: Comprehensive Technical Overview and Application Guide
The MAN 81.47301-6005 Oil Filter is a high-quality, engine-critical component used in MAN’s range of heavy-duty commercial vehicles. It plays a vital role in maintaining engine health by continuously filtering impurities, metal particles, carbon deposits, and sludge from the engine oil. As a result, the filter ensures optimal lubrication, temperature control, and prolonged engine life. Designed to meet stringent OEM standards, this oil filter is essential for the efficiency and longevity of MAN’s diesel engines across various truck and bus models.
1. The Importance of Oil Filtration in Diesel Engines
In diesel engines, engine oil lubricates moving parts, reduces friction, and helps manage operating temperatures. However, oil becomes contaminated over time due to:
- Metal shavings from wear
- Combustion byproducts (soot, carbon)
- Dust or dirt entering via the intake system
The oil filter, therefore, is critical in maintaining clean oil circulation. The MAN 81.47301-6005 oil filter ensures contaminants are trapped before the oil is recirculated through the engine, thereby reducing wear and avoiding potential engine damage.
2. Technical Specifications
- Part Number: 81.47301-6005
- Manufacturer: MAN Truck & Bus AG (OEM)
- Filter Type: Spin-on oil filter
- Material: Heavy-duty steel canister with synthetic or cellulose-based filtration media
- Filtration Efficiency: >98% for particles ≥20 microns
- Bypass Valve: Integrated, typically set between 1.0–1.3 bar
- Anti-Drain Back Valve: Included for better cold-start protection
- Dimensions: Diameter and height may vary slightly depending on batch or sub-reference
- Operating Pressure Range: Up to 10 bar (145 psi)
3. Vehicle and Engine Compatibility
The MAN 81.47301-6005 oil filter is compatible with a range of MAN trucks, buses, and industrial engines, especially those using:
- D08, D20, D26 engine series
- TGX, TGA, TGM, and TGL series trucks
- MAN Lion’s Coach and Intercity buses
Always consult the vehicle’s service manual or use the VIN to verify compatibility.
4. Benefits of Using the 81.47301-6005 Oil Filter
- Enhanced Engine Protection: Removes harmful particles before they reach critical engine parts
- Maintains Oil Quality: Ensures oil viscosity and effectiveness are preserved over the oil change interval
- Improved Engine Efficiency: Reduces internal resistance by maintaining clean lubrication
- Longer Service Intervals: High filtration capacity extends operational lifespan
- Prevents Oil Drain-Back: Anti-drain valve helps retain oil in the system during engine shut-off
5. Oil Filter Maintenance and Replacement
Replacement Interval:
- Typically every 30,000–50,000 km, depending on engine load and driving conditions
- Shorter intervals recommended in severe-duty or dusty environments
Replacement Steps:
- Warm up engine slightly to help oil drain faster
- Turn off engine and allow it to cool
- Remove the old oil filter using a suitable filter wrench
- Clean the mounting surface on the engine
- Apply a thin layer of clean oil on the gasket of the new filter
- Install the new filter and hand-tighten (plus a quarter turn with wrench)
- Refill engine oil and run the engine briefly to check for leaks
- Top off oil and reset service indicator if applicable
6. Signs of a Failing Oil Filter
- Low Oil Pressure Warning
- Engine Overheating
- Dirty or Darkened Engine Oil
- Noisy Engine Operation
- Sludge Build-Up in Oil Cap or Dipstick
A clogged or faulty oil filter can reduce oil flow, compromising engine lubrication and leading to major engine failure.
7. Genuine vs. Aftermarket Options
While the MAN 81.47301-6005 OEM filter is engineered to exact standards, aftermarket filters are also available. When considering alternatives:
Check for:
- ISO 4548-12 filtration efficiency compliance
- Comparable bypass and anti-drain back valve settings
- Strong metal housing and corrosion resistance
8. Packaging, Storage, and Distribution Considerations
OEM filters are packaged in sealed, branded boxes with part labels and QR/barcodes for authenticity. For proper storage:
- Keep in a dry, dust-free environment
- Avoid storing filters upside down
- Protect rubber gaskets from oil or chemical exposure before use
9. Global Market and Export Demand
Given the global presence of MAN trucks and buses, the 81.47301-6005 oil filter is in constant demand in regions such as:
- Europe (Germany, Spain, Poland, Turkey)
- Middle East (Saudi Arabia, UAE, Iraq)
- Africa (South Africa, Egypt, Nigeria)
- Latin America (Brazil, Chile, Colombia)
Exporters and distributors should consider stocking both OEM and premium aftermarket variants, accompanied by accurate fitment charts and service documentation.
MAN 81.47301-6005 Oil Filter
The MAN 81.47301-6005 Oil Filter plays an indispensable role in maintaining the health and performance of MAN diesel engines. Its ability to filter harmful contaminants and ensure clean oil circulation helps prevent engine wear, enhance fuel efficiency, and extend service intervals. For mechanics, fleet operators, and parts distributors, understanding the features and specifications of this filter is key to supporting reliable vehicle operations and minimizing downtime. Whether supplying the aftermarket or managing fleet maintenance, prioritizing quality filtration is essential to maximizing engine longevity and performance.
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