Belt Idler Bearing Pulley #2 - 2GRFE 16604-31020
Idler/tensioner bearing / pulley #2 for the 2GRFE.
Toyota Part Number: 16604-31020
Unless specified otherwise, parts are OEM-style replacements and intend for use with the original part numbers specification. Replacements are often unbranded OEM manufacturers, while other times they may be the same if not better quality aftermarket brands with slightly different designs/looks.