Premium Guard PG5579EX Engine Oil Filter

Premium Guard PG5579EX Extended Life Oil Filter

Premium Guard PG5579EX is an engine oil filter built with synthetic blend media and a 25 micron rating for controlled oil filtration in select Audi and Volkswagen applications. This cartridge-style filter is part of the Premium Guard Extended Life line, made for drivers who need dependable filtration service in longer maintenance intervals.

Compatible with 2003-2005 Audi Allroad Quattro, 2004-2006 Audi A8 Quattro, 2004-2006 Audi S4, 2005-2006 Audi A6 Quattro, 2008-2009 Audi Q7, and 2004-2006 Volkswagen Phaeton, PG5579EX is a direct-fit oil filter option for these applications. The PG5579EX part number is also commonly searched alongside OE and aftermarket cross references for the same engine filter application.

Key Features

• Synthetic blend filter media for engine oil filtration
• 25 micron rating for fine particle capture
• Cartridge filter design
• Height: 5.60 in.
• Gasket type: NBR
• Gasket thickness: 0.140 in.
• Gasket inside diameter: 3.21 in.
• Gasket outside diameter: 3.48 in.
• Outer diameter bottom: 2.85 in.

Product Details

Premium Guard Extended Life focuses on oil filters built for extended service intervals and consistent filtration performance. PG5579EX uses synthetic blend media to help separate contaminants from engine oil while maintaining the cartridge format used in the listed Audi Q7, Audi S4, Audi A6 Quattro, Audi A8 Quattro, Audi Allroad Quattro, and Volkswagen Phaeton applications. The filter’s 25 micron rating and NBR gasket construction support a secure sealing interface and fine filtration in the specified engine platforms.

This part cross-references Wix 57329 and ECOGARD X5579 for the same application.

Common Issues This Oil Filter Can Address

• Restricted oil flow caused by a loaded or dirty filter element
• Excess engine wear from unfiltered debris circulating in the oil
• Oil contamination from soot, dust, and wear particles
• Service issues when replacing the cartridge filter during routine maintenance
• Seal leakage concerns related to worn filter gaskets

Installation Notes and Tips

Verify the cartridge filter dimensions and gasket measurements against the original filter before installation. Replace the filter during scheduled oil service, and inspect the housing sealing surfaces for debris or old gasket material before reassembly. Confirm vehicle application by year, make, and model for the listed Audi and Volkswagen platforms, including Audi Q7, Audi S4, and Audi A6 Quattro.

Quality Assurance

Premium Guard PG5579EX is part of the Extended Life product line, which identifies this filter as a service-focused option for extended maintenance intervals. Use the confirmed fitment data to match the correct application before installation.