The J&L 3.0 oil separator for 2003–2004 Mercury Marauder (passenger side, clear anodized) is a billet-aluminum crankcase vent separator that filters oil vapors from the PCV stream. Its multistage stainless mesh and aluminum honeycomb trap condensate into the removable 3 oz. tank; drain every 2,000–3,000 miles. The knurled base and O-ring seal allow leak-free serviceability.
J&L 03-04 Mercury Marauder Passenger Side Oil Separator 3.0 - Clear Anodized