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MANN-FILTER Oil Filter - W 815/3

MANN-FILTER Oil Filter - W 815/3

The MANN-FILTER W 815/3 is a premium oil filter designed to provide top filtration performance and...

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Product Information

Full details

The MANN-FILTER W 815/3 is designed for automotive enthusiasts and professionals who demand high-level engine protection and long-lasting performance. This premium oil filter excels at capturing fine impurities and combustion residues, ensuring your engine remains clean and efficient throughout the oil change interval. The primary caveat to note is that this is a specific spin-on filter; you must verify that your vehicle's threading and housing dimensions match the G 3/4-16 UNF specifications before purchase to ensure a proper fit.

All features

Model Part NumberW 815/3
BrandMANN-FILTER

Extended Product Information

FAQs

How often should I change this filter?

You should change the filter according to your vehicle manufacturer's recommended maintenance schedule, typically at every oil change interval.

Does the filter come pre-lubricated?

No, you must apply a thin layer of clean engine oil to the rubber gasket before installation to ensure a proper seal.

What is the threading on this filter?

This filter features a G 3/4-16 UNF thread.

Is this filter compatible with synthetic oils?

Yes, the MANN-FILTER W 815/3 is fully compatible with both conventional and high-performance synthetic motor oils.

How do I ensure this fits my car?

Check your owner's manual for the correct part number or verify your vehicle's mounting requirements against the filter's dimensions and thread type.

What happens if I over-tighten the filter?

Over-tightening can damage the gasket or the threads, leading to potential leaks; always hand-tighten until seated and then turn as specified.

Troubleshooting

Difficulty removing the old filter

Use a specialized oil filter wrench to provide better leverage and grip on the filter casing.

Oil leaking from the mounting base after installation

Check that the old gasket did not stay stuck to the engine block; if present, remove it and re-tighten the new filter.

Filter will not thread onto the stud

Verify that you have the correct filter model for your vehicle's specific thread pitch and diameter.

Pros and Cons

Pros

  • High-efficiency removal of harmful impurities
  • Durable construction ensures reliable service over the maintenance interval
  • Excellent seal integrity prevents leaks
  • Meets or exceeds original equipment specifications

Cons

  • Fitment is highly specific to vehicles requiring G 3/4-16 UNF threading
  • Requires proper oil filter wrench for removal/installation
  • Not compatible with all engine types

Setup, Compatibility & Care

To ensure a successful installation, first verify that your vehicle’s engine block accommodates the G 3/4-16 UNF thread size. The filter dimensions are 86mm (outer diameter) by 88mm (height), with an inner diameter of 63mm.

  1. Ensure the engine is off and cooled.
  2. Place a drain pan under the filter housing.
  3. Unscrew the old filter using an appropriate strap wrench.
  4. Clean the mounting surface on the engine block to remove old gasket residue.
  5. Apply a light film of clean engine oil to the new filter's rubber gasket.
  6. Screw on the new W 815/3 by hand until the gasket contacts the seat, then tighten according to vehicle service manual specifications (typically 3/4 turn more).
  7. Add oil and check for leaks while idling.

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