My CoachStep steps use a Ford Crown Vic window motor. I do have to drill out the 3 mounting holes to accommodate larger mounting screws than what Ford uses.
2005 Newmar Kountry Star Gas 3742, Workhorse W24, 8.1L/Allison 5-spd
2017 Grand Cherokee or 2017 Harley Ultra in tow
JT, Em & the boys, Kong & Baxter (rescued grey tabbies)