MANN-FILTER Oil Filter - W 940/55
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Mann Oil Filter W940/55 32501756 85052744 68521824 Premium OE Quality PartFree delivery in 1–3 days£17.40Visit shop →
Oil filter Spin-on Filter IEC 60417-6183 mechanical expertise required W 940/55Free delivery in 1–3 days£21.04Visit shop →
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OIL FILTER W 940/55 FOROIL FILTER W 940/55 FOR INGERSOLL-RAND SULLAIR 32501756Free delivery in 1–3 days£32.11Visit shop →
OIL FILTER W 940/55 FOROIL FILTER W 940/55 FOR INGERSOLL-RAND SULLAIR 32501756Free delivery in 1–3 days£32.11Visit shop →
OIL FILTER W 940/55 FOROIL FILTER W 940/55 FOR INGERSOLL-RAND SULLAIR 32501756Free delivery in 1–3 days£32.15Visit shop →
OIL FILTER W 940/55 FOROIL FILTER W 940/55 FOR INGERSOLL-RAND SULLAIR 32501756Free delivery in 1–3 days£33.84Visit shop →
Product Information
Full details
The MANN-FILTER W 940/55 is an essential maintenance component designed for vehicle owners and mechanics who prioritize engine longevity and OE-grade filtration performance. This spin-on oil filter excels at capturing fine combustion residues and impurities that cause premature engine wear, though users must verify their vehicle's specific thread size and pressure requirements before installation to ensure compatibility.
All features
| Model Part Number | W 940/55 |
|---|---|
| Brand | MANN-FILTER |
Extended Product Information
FAQs
What is the thread size of the W 940/55?
This filter uses a standard 3/4-16 UNF thread.
What is the bypass valve opening pressure?
The bypass valve is set to open at 2.5 bar.
Can I use this on any car?
No, you must ensure your vehicle requires a 3/4-16 UNF thread and is compatible with the 2.5 bar bypass pressure specification.
Should I pre-fill the filter with oil?
While not strictly required, pre-filling is often recommended to reduce the time the engine runs without full oil pressure at initial startup.
How often should I replace this filter?
Follow your vehicle manufacturer's recommended oil change interval, or replace it every time you perform a full oil service.
Troubleshooting
Oil leaking from the filter base after installation
Ensure the old gasket was removed from the engine block and that the new gasket is properly seated and hand-tightened.
Difficulty removing the old filter
Use an oil filter wrench designed for 93 mm diameter filters to gain proper leverage without damaging the mounting stud.
Pros and Cons
Pros
- Meets strict OE standards for quality assurance
- Effective at capturing harmful combustion residues
- Ensures quick lubrication at startup via anti-return valve
- Consistent flow rates maintained by precision bypass valve
Cons
- Specific to 3/4-16 UNF thread sizes only
- Must be matched to a 2.5 bar bypass pressure requirement
- Requires proper tools for removal in tight engine bays
Setup, Compatibility & Care
- Verification: Before purchase, confirm your vehicle's compatibility by checking the oil filter base for a 3/4-16 UNF thread configuration.
- Preparation: Wipe the engine's filter mounting surface clean with a lint-free cloth to ensure the new gasket seats properly.
- Lubrication: Always apply a thin layer of clean engine oil to the new filter's rubber gasket before threading it onto the engine block to ensure a tight, leak-free seal.
- Installation: Tighten the filter by hand until it makes contact, then add an additional 3/4 turn. Avoid overtightening with tools, as this can damage the gasket.
- Maintenance: Monitor the oil pressure gauge for any irregularities immediately after the first start following an oil change. Always recycle used oil and filters at an authorized collection facility.