Ford Mustang Window Winder Motor Replacement Parts

The sixth-generation Mustang (S550) ran from 2015 onwards, but received a significant facelift for the 2018 model year, and door internals can differ across that boundary. You should treat pre-2018 and 2018-onwards cars as potentially distinct and confirm with the breaker whether the motor from the earlier car matches your registration before buying.

Yes, this matters significantly — the NS (nearside, passenger/left) and OS (offside, driver/right) motors are side-specific and are not interchangeable. Always tell the breaker which side you need and quote your registration so they can pull the correct unit.

The S197 (2005–2014) and S550 (2015 onwards) are entirely different generations with different door structures, so the window winder motors are not compatible across that boundary. Stick to parts sourced from the same generation as your car, and confirm the exact year with the breaker against your registration.

The Mustang has always been sold as a two-door fastback or convertible regardless of trim, so the door structure is consistent across V6, EcoBoost, and GT within the same generation — the engine makes no difference to window winder motor fitment. You may find cosmetic differences such as door panel finish, but the motor itself should be unaffected by trim level; confirm with the breaker as always.

The convertible and fastback are different body styles and their door apertures and associated components can differ, so it is safest not to assume the motors are interchangeable between them. Let the breaker know your exact body style and registration so they can verify the part against the correct vehicle.

A 2014 Mustang is a fifth-generation S197, while a 2016 is a sixth-generation S550, so these are different generations and the parts are very unlikely to be compatible. Always source from the same generation and confirm with the breaker against your registration before purchasing.