Find replacement parts for the Windermere Motion iNFI Elite (MM-3900) power lift recliner. The MM-3900 is an infinite-position lift chair with a power-tilt headrest, adjustable lumbar, three-zone heat, pull-out arm panels with a cup holder and wireless charger, and a lithium battery backup.
Shop genuine Windermere Motion components such as hand controls, power supplies, motors, cables, and hardware to keep your iNFI Elite lifting, reclining, and positioning smoothly. If you're not sure which part you need, have your chair's serial number ready and contact us so we can confirm the fit before you order.
Which iNFI Elite do you have? Windermere Motion sells the iNFI Elite under several model numbers, and parts can differ between them, so check the label on your chair before ordering. If your chair has a different model number, see our iNFI Elite pages for the MM-3712, MM-3710, MM-3730, MM-3815, or MM-3975 instead.
Windermere Motion lift chairs are made by Mega Motion, and this chair is also sold as the Mega Motion iNFI Elite (MM-3900). Both versions use the same parts.
