See Desc.OEM 18V Motor Assy For Ryobi P739 AIR COMPRESSOR 1 Gal. 18V | eBay
Ryobi P501G Motor Replacement - iFixit Repair Guide
Motor Rs-550vc Dc 18v Replacement For Bosch Makita Hitachi Hilti Ryobi Deko Cordless Drill Screwdriver Motor Tool Part - Power Tool Accessories - AliExpress
Amazon.com: Ryobi / Homelite 741921003 Motor Assembly, 40V, Replaces Part 741921002 : Patio, Lawn & Garden
RYOBI ONE+ HP 18V Brushless Cordless Compact 1/4 in. Right Angle Grinder Kit with (1) 4.0 Ah Battery and Charger