Premium High-Efficiency Engine Oil Filter AC Delco PF26, Motorcraft FL-820S & MO-899 PPE The bypass valve features a

The bypass valve features a stiffer spring and a rubber seal

6L Duramax EPC Blocker PPE Diesel

The silicone anti-drain-back valve prevents engine dry starts

PPE Manifold Gaskets are designed to fit both PPE High-Flow Exhaust Manifolds and GM OEM manifolds

Sold a 3 Piece set

Premium High-Efficiency Engine Oil Filter AC Delco PF26, Motorcraft FL-820S & MO-899 PPE The bypass valve features aChoose a superior filter the next time you change your PF26, FL 820S or MO 899 Filter. PPE has engineered upgraded features that far surpass OEM filter performance. The OEM PF26 filter comes up short with only 259 square inches of 25 micron filtration capability. The OEM filter's leaf spring loses tension and can lead to dirty oil blow by. The OEM filter bypass valve comes with no seal of any kind. In stark contrast, the PPE has superior filtration