Wix 51386 Engine Oil Filter

Reliable Engine Oil Filtration for Heavy-Duty Vehicles

The Wix 51386 engine oil filter is designed to provide dependable filtration performance for heavy-duty applications. Engineered with enhanced cellulose media and a robust anti-drain back valve, this spin-on lube filter helps maintain engine cleanliness and efficiency in demanding conditions.

• Anti-Drain Back Valve to prevent dry starts and maintain oil pressure
• Enhanced cellulose media for effective contaminant capture at 32 micron rating
• High burst pressure rating of 325 psi for durability under stress
• Bypass relief valve setting between 18-22 psi to ensure continuous oil flow
• Flow rate of 9-11 gallons per minute suitable for heavy-duty engines
• Spin-on style with 20x1.5 mm thread size for secure installation
• Dimensions: 5.170 inches height, 4.285 inches outer diameter top

Technical Details and Performance Features

The Wix 51386 oil filter is classified as heavy-duty (Hd) and built to meet the rigorous demands of commercial and industrial engines. Its enhanced cellulose media provides a Beta Ratio of 2/20=22/44, indicating efficient filtration performance by capturing particles down to 32 microns. The anti-drain back valve prevents oil from draining out of the filter when the engine is off, reducing wear during startup. The bypass relief valve activates between 18 and 22 psi to maintain oil flow if the filter becomes clogged, protecting the engine from oil starvation. With a burst pressure rating of 325 psi, this filter withstands high-pressure conditions without failure.

Compatible Vehicles and Applications

This Wix 51386 engine oil filter is compatible with a range of heavy-duty trucks and commercial vehicles requiring a 20x1.5 mm thread size and spin-on filter style. It is suitable for use in engines where a 5.170 inch height and 4.285 inch outer diameter filter is specified. Commonly used in diesel and gasoline engines that demand reliable oil filtration under heavy load and extended service intervals.

• Prevents engine wear caused by contaminants and debris
• Reduces risk of oil starvation during cold starts
• Maintains consistent oil flow under high pressure
• Protects engine components from premature failure
• Helps extend engine oil life and service intervals

Installation Notes and Tips

When installing the Wix 51386 oil filter, ensure the engine is cool and the oil system is depressurized. Apply a thin layer of clean engine oil to the gasket before threading the filter onto the engine. Tighten the filter according to manufacturer specifications, typically hand-tight plus a quarter turn. Verify the anti-drain back valve is intact to prevent oil loss during shutdown. Regularly inspect and replace the filter at recommended service intervals to maintain optimal engine protection.

Quality Assurance and Warranty

Wix filters are manufactured to meet industry standards for filtration efficiency and durability. The 51386 model undergoes rigorous testing to ensure it meets specified burst pressure and flow rate requirements. While specific warranty details are not provided, Wix products are known for consistent quality and reliability in heavy-duty engine applications.