A Mustang throw out bearing can just go out at anytime before or after replacing your Mustangs clutch. Latemodel Restoration Supply has you covered a Ford replacement Mustang throw out bearing or one from Ford Performance and for 2005-2020 Mustangs that need more try our Hydraulic Throwout (Release) Bearing For Mustang GT 4.6L 3V & Mustang Gt500 5.4L 4V. It's always cheap insurance to replace your Mustang Clutch Pilot Bearing when doing a clutch replacement. Normally the Clutch Pilot Bearing is buried under the clutch and not easily accessible. While the clutch is out and there is easy access to it, you might as well replace your Mustang Pilot bearing now. It's Better to be safe rather than sorry later down the road!