ApplicationCompatible for FordExpedition2WD - Rear1997 - 2002 compatible for LincolnNavigator2WD - Rear1998 - 2002 SpecificationReference OE/OEM Number 3U2Z-5580-KA, F75Z5A891AC,3U2Z5580KA Feature: * Mates with OE Air Lines * Designed for Comfort Suspension * These air suspension bags are aftermarket ones. They will replace the original rear air springs. Notice * Condition: New * Quantity: 1 piece (for rear left or right) * Warranty :one year warranty for any manufacture defect * Instruction is not included. Professional installation is recommended