Wix 51671 Engine Oil Filter

Reliable Engine Oil Filtration for Heavy-Duty Vehicles

The Wix 51671 engine oil filter is designed to provide dependable filtration for heavy-duty engines requiring a spin-on lube filter. Engineered with enhanced cellulose media, this filter supports efficient oil flow and contaminant capture to help maintain engine performance.

• Spin-on lube filter style with 1 1/2-12 thread size
• Enhanced cellulose media for effective filtration at 17 micron rating
• Heavy-duty duty type (Hd) suitable for demanding engine conditions
• Flow rate between 28-30 gallons per minute to support engine lubrication
• Burst pressure rated at 350 psi for durability under pressure
• Height of 9.777 inches and outer diameter of 4.658 inches
• Inner diameter top is closed, no anti-drain back valve included

Technical Details and Performance Attributes

The Wix 51671 oil filter features a 17 micron filtration rating using enhanced cellulose media, which balances contaminant removal with oil flow. Its heavy-duty classification (Hd) and class Hc rating indicate suitability for commercial and industrial engine applications. The filter’s burst pressure of 350 psi ensures it can withstand high-pressure conditions without failure. The spin-on design with a 1 1/2-12 thread size allows for straightforward installation and replacement. Notably, this filter does not include an anti-drain back valve or bypass relief valve setting, which is typical for certain heavy-duty engine configurations.

Compatible Vehicles and Applications

This Wix 51671 engine oil filter is compatible with a range of heavy-duty trucks and commercial vehicles that require a spin-on lube filter with these specific dimensions and thread size. It is commonly used in diesel engines where a 9.777-inch height and 4.658-inch outer diameter filter is specified. For example, it fits certain models of Freightliner, Kenworth, and Peterbilt trucks, among others. Always verify fitment with your vehicle’s service manual or parts guide to ensure compatibility.

Common Engine Issues Addressed

• Prevents engine wear by filtering out contaminants and debris
• Maintains proper oil flow to critical engine components
• Reduces risk of oil pressure loss due to filter collapse
• Helps avoid premature engine failure caused by dirty oil
• Supports engine longevity in heavy-duty operating conditions

Installation Notes and Tips

When installing the Wix 51671 oil filter, ensure the engine is cool to avoid burns. Apply a thin layer of clean engine oil to the gasket before threading the filter onto the engine to ensure a proper seal. Tighten the filter according to manufacturer torque specifications, typically hand-tight plus a quarter turn. Since this filter does not have an anti-drain back valve, be aware that oil may drain back into the engine when the vehicle is off, which is normal for this design.

Quality Assurance and Warranty

Wix filters are manufactured to meet industry standards for filtration efficiency and durability. The 51671 model undergoes rigorous testing to ensure it meets burst pressure and flow rate specifications. While specific warranty details are not provided here, Wix generally offers warranties against defects in materials and workmanship. Consult Wix’s official documentation or your parts supplier for warranty terms related to this filter.