MANN-FILTER Oil Filter - W 940/18

The MANN-FILTER W 940/18 is a high-quality spin-on engine oil filter designed to provide efficient...

Best current price£9.23from Autodoc

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AutodocMANN-FILTER Oil filter VW,IVECO,LAMBORGHINI W 940/18 3917868R1,8888667,905411880009 Engine oil filter O243252EC,1039208,1R0734,3I1263,5W5887,9N5680
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eBayx1 Mann-Filter Oil Filter W940/18 with one anti-return valve Made in UK
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Blueperry agriculture (UK)Mann-Filter Oil Filter W94018
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£19.12
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Product Information

Full details

The MANN-FILTER W 940/18 is a high-performance spin-on oil filter engineered for industrial and heavy-duty machinery owners who require superior filtration and long-term engine protection. It offers reliable oil circulation through a robust design and specialized valve components, though users must verify their specific equipment thread pitch and clearance before purchase as it is built for precise industrial specifications.

All features

Model Part NumberW 940/18
BrandMANN-FILTER

Extended Product Information

FAQs

What is the thread size of the W 940/18?

This filter uses a 1-12 UNF thread size.

Does this filter include an anti-return valve?

Yes, it features an integrated anti-return valve to prevent oil drainage when the engine is shut off.

What is the bypass valve pressure for this unit?

The bypass valve is set to an opening pressure of 2.5 bar.

What are the physical dimensions of the filter?

The outer diameter is 93 mm and the height is 142 mm.

Is this filter compatible with standard passenger cars?

No, it is designed specifically for industrial and heavy-duty applications; please consult your equipment manual for compatibility.

Troubleshooting

Difficulty threading the filter onto the engine mount

Verify that the thread size is 1-12 UNF and check the mounting stud for any burrs or damage.

Oil leaking from the base after installation

Ensure the old gasket was removed and the mounting surface is clean; re-tighten slightly or check for a cross-thread.

Pros and Cons

Pros

  • Durable construction suitable for heavy-duty applications
  • Reliable anti-return valve prevents dry starts
  • Consistent filtration efficiency under varying pressure conditions
  • Engineered to exact OEM specifications for a secure fit

Cons

  • Specific to industrial and heavy-duty engine types
  • Requires proper clearance for 142 mm height
  • Not intended for standard passenger car applications

Setup, Compatibility & Care

Installation should always follow the equipment manufacturer's guidelines. Ensure the mounting surface is clean and free of debris from the old filter gasket before screwing on the new W 940/18. Hand-tighten the filter until the gasket makes contact, then follow with an additional turn as specified by the engine manual; do not overtighten, as this can damage the seal. This filter utilizes a 1-12 UNF thread, which is specific to heavy-duty applications, so always double-check your equipment's port specifications prior to mounting. For optimal care, replace the filter during every oil change interval to ensure the internal media and bypass valve continue to function within their designed tolerances.

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