38410 Belt Tensioner Assembly With Pulley For 06-22 Lexus ES350/IS250/IS300/IS350/GS300/GS350/RC300/RX350 Toyota Avalon/Camry/Venza/RAV4/Sienna/4 Runner OE# 39140 39258 89374 1662031020
OEM part numbers:38410 39140 39258 89374 1662031020 1662031021 16620-31040
The replacement automatic serpentine belt tensioner pulley assembly transports power to the alternator,power steering pump,air conditioning and keeps it running smoothly and effectively.It is designed for vehicles that needs an automatic belt tensioner.The torsional round spring design provides consistent tension for maximum durability
Belts、tensioners and idler pulleys are designed to the same life cycle,when one of them is replaced,the othes had likely met their design cycle as well, so it is recommended to replace all of them when replacing one of the parts just wanna avoid to having the influences of other accessories'service life
For more detailed assembly information, check out our instruction section. If there is any problem with our belt tensioner assembly, please feel free to contact us and we will solve it for you in time