- Epoxy coating on all canisters for corrosion resistance
- Heavy-wall steel canister for further corrosion protection
- High-efficiency filter media that meets or exceeds the OE's filtration
- Backed by Sierra's industry leading warranty
7884, 7886, 79101, 7917 & 7926: Anti-Drain-Back Valve eliminates dry starts, prevents oil from draining back into crankcase during engine shutdown.