In some cases some of the components such as dust shield and bolts used to install the OE pulley need to be reused. Other times, some of the original components such as the dust shield are not to be reused as they prevent the pulley from turning,If you buy ATPPCCE pulleys, you don't have to worry about whether it can match the old dust shield, because we provide you with new one that is more suitable for our products. You can just replace it directly
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