Application2002-2006 compatible for Ford Expedition Rear 4.6, 4.6 4x4, 5.4,5.4 4x4 2002-2006 compatible for Lincoln Navigator Rear 5.4Reference OE/OEM Number4L1Z5A891AA, 517-00882, 6L1Z5A891AASpecificationCondition: Brand New Quantity: 1 piece (for rear right or left side)Features* one year warranty for any manufacturing defect * Mates with OE Air Lines * Designed for Comfort Suspension and high quality * Fast Shipping * Replaces the original spring * Safe carrying capacity and stability * High-quality materials according to OE specifications, for high load capacity and long service lifeNotice-These air suspension bags are aftermarket ones. They will replace the original rear air springs. -Instruction is not included. Professional installation is recommended -Contact us please for whatever we can help