4L Engine (2004-2006) - 30K-60K miles
rear (AWD) Electric Engine (2010-2015) - 90K-120K miles
Whether you're restoring your vehicle or replacing a worn-out engine
3L Engine (2003-2004) - 30K-60K miles
(2001) Mercury Mountaineer 4.0L (VIN E, 8th digit, SOHC, 6-245) 4.0L Engine - 120K-150K miles Allroad 4L Engine (2004-2006) - 30K-60KMercury Mountaineer 4. 0L (VIN E, 8th digit, SOHC, 6 245) 4. 0L Engine (2001) 120K 150K miles This used OEM engine is listed as its own product for the 120K 150K miles option, so the price shown belongs to this exact mileage selection. It is a practical replacement choice for buyers who want an OEM style part without dealer new pricing. Please verify fitment before ordering. Match the year, make, model, engine size, drivetrain, VIN notes, transmission