Belt tensioner Fits For:Dodge/Freightliner Sprinter 07-19,Jeep Grand Cherokee 2009,Mercedes-Benz E320 07-09,E350 11-13,S350 12-13,GL320 2009,GL350 10-12,GLS350d 2017,ML320 10-09,R320 2009,R350 11-12,Sprinter 10-20
OEM part numbers:39081 419-404 89651 5175588AA 6422001370 68040206AA 6422000870 6422000070
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