ACDelco PF668 Gold Spin-On Engine Oil Filter

The ACDelco PF668 Gold Engine Oil Filter is a premium spin-on oil filter engineered to protect your engine by trapping harmful debris, contaminants, and abrasive particles before they can reach critical engine components. Designed to meet specifications for fit, form, and function for General Motors vehicles as well as a wide range of other makes and models, the PF668 delivers reliable, OE-quality filtration every oil change interval.

This filter features a blended filter media combining cellulose, polyester, and microglass fibers for superior filtration efficiency and high dirt-holding capacity. With 98% multi-pass efficiency at 25–30 microns, it removes even the finest contaminants from your engine oil, helping to reduce wear on bearings and other hydraulic components.

Key Features:

• 98% multi-pass filtration efficiency at 25–30 microns for outstanding contaminant removal
• Blended cellulose, polyester, and microglass filter media for optimal efficiency and dirt-holding capacity
• Heavy-duty shell material tested to four (4) times normal engine oil pressure for enhanced durability
• Heavy threaded plate protects against pressure spikes up to eight (8) times above normal operating pressure
• Spiral wound steel core tested to twice the OEM collapse requirement
• Poppet style bypass valve with heat-treated spring matched to OEM pressure specifications
• Anti-drain back valve helps prevent dry starts and maintains oil in the filter between changes
• Low restriction design ensures optimal fluid flow through the engine
• Engineered and validated to meet or exceed GM OE standards

The ACDelco Gold (formerly ACDelco Professional) product line is designed, engineered, and backed by General Motors, offering OE-level performance and fitment precision. The PF668 is a direct-fit, spin-on replacement oil filter suitable for use with conventional and synthetic motor oils.