Buy 2017 Subaru Legacy 2.5L CVT Accessory Drive Belt Tensioner. TENSR V Belt. Drive Belt Tensioner A Engine, HOLE, Loose - OEM Subaru Part # 23769AA13A (23769AA08A)

Assembled Device that applies Load to the Drive Belt.

TENSIONER ASSEMBLY-V BELT Accessory Drive Belt Tensioner Assembly

Fits Ascent, Crosstrek, Impreza, Legacy, Outback

Drive Belt Tensioner
A squeaking or squealing noise from your engine bay is usually due to a loose drive belt. Consider replacing the drive belt tensioner on your 2017 Subaru Legacy.