39148 Drive Belt Tensioner Assembly With Pulley For 2004-2012 B-MW 545 550 645 650 745 750 760 X5 Alpina B7 R-olls-Royce Phantom OE#11287505224 11287542680 11287549588 89615 11280415304

Belt tensioner Fits For:B-MW 545I 2004-2005 550I 2006-2010 645CI 2004-2005 650I 2006-2010 745I 2002-2004 745LI 2002-2005 750I 2006-2008 750LI 2006-2008 760LI 2003-2004 Alpina B7 1978-2008 X5 2004-2006 R-olls-Royce Phantom 2003-2012
OEM part numbers:39148 11287505224 11287542680 11287549588 49462 89615 V200338 11280415304
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

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