Original MANN-FILTER Oil filter W 940/67 – For Passenger Cars and Utility Vehicles

MANN‑FILTER Oil Filter W 940/67 is a premium engine oil filtration solution engineered for passenger cars and utility vehicles. Designed to meet the demanding requirements of modern engines, this filter delivers superior protection against contaminants while maintaining optimal oil flow.

Core Design Features

The W 940/67 filter incorporates a multi‑stage filtration system that captures particles as small as 0.3 µm. Its advanced media layers are engineered to trap dirt, metal shavings, and other impurities without compromising oil pressure.

Anti‑Return Valve Technology

A key innovation in this filter is the built‑in anti‑return valve. This component prevents backflow of contaminated oil into the engine, ensuring that only clean oil circulates. The valve also reduces wear on the engine’s internal components by maintaining consistent pressure.

Valve Construction

• Material: High‑strength polymer with a metal core for durability.
• Seal Integrity: Designed to withstand temperatures up to 200 °C.
• Flow Regulation: Maintains a pressure drop of less than 0.5 psi under normal operating conditions.

Compatibility and Fitment

The filter is engineered for a wide range of vehicles, including:

• Passenger cars with 4‑wheel drive systems.
• Light utility trucks and vans that require robust filtration.
• Engine types ranging from 1.6 L to 2.5 L displacement.

Its standardized mounting interface uses a 3/4‑inch, 16‑UNF thread, ensuring easy installation on most OEM and aftermarket housings.

Performance Metrics

Installation Guide

1. Preparation: Warm the engine to operating temperature; this reduces oil viscosity and eases filter removal.
2. Removal: Unscrew the existing filter using a suitable wrench. Allow any residual oil to drain into a container.
3. Inspection: Check the housing for cracks or damage before installing the new filter.
4. Installation: Align the threaded end of the W 940/67 with the housing, hand‑tighten until snug, then give an additional quarter turn with a wrench. Avoid overtightening to prevent thread damage.
5. Check for Leaks: Start the engine and inspect the filter area for oil drips. Tighten slightly if necessary.

Maintenance Tips

• Replace the filter every 10,000 km or as recommended by the vehicle manufacturer.
• Use only genuine MANN‑FILTER filters to ensure compatibility and performance.
• Avoid using aftermarket filters with lower filtration ratings; they may compromise engine longevity.

Benefits for Vehicle Owners

• Extended Engine Life: By trapping contaminants, the filter reduces wear on bearings, pistons, and camshafts.
• Improved Fuel Efficiency: Maintaining optimal oil flow keeps engine friction low, contributing to better mileage.
• Consistent Oil Pressure: The anti‑return valve ensures stable pressure throughout operation, protecting critical components.
• Reliability in Harsh Conditions: Designed for extreme temperatures and dusty environments, making it ideal for both daily commuting and off‑road use.

Quality Assurance

The MANN‑FILTER W 940/67 undergoes rigorous testing at the manufacturer’s UK facility. Each filter is inspected for:

• Thread integrity and proper sealing.
• Filtration media density and uniformity.
• Valve functionality under simulated engine conditions.

Conclusion

The MANN‑FILTER Oil Filter W 940/67 stands out as a reliable, high‑performance component for both passenger cars and utility vehicles. Its advanced filtration technology, coupled with the anti‑return valve, delivers superior engine protection while maintaining efficient oil flow. By choosing this filter, vehicle owners invest in longevity, performance, and peace of mind.