J&L | 2023-2025 Ford F-150 Raptor R Oil Separator 3.0 Passenger Side - Black Anodized
This oil separator, made from solid billet aluminum, filters oil vapors from the crankcase pressure venting system, preventing oil from entering the intake. It includes a fine mesh screen and an aluminum honeycomb filter.
- The description claims that draining the separator every 2000-3000 miles prevents overfilling.