Fitment: Fit for Buick Rainier Cadillac Escalade Chevy GMC Hum/mer H2 H3 Isuzu Ascender NPR (Check the description for more details)
Tensioner: The tensioner is constructed from premium steel and rigorously inspected before leaving the factory, ensuring high performance and durability, matching bolts make installation more convenient
Idler Pulley: Idler pulley included can reduce friction and noise between gears to improve the smoothness of rotation and extend the service life of gears
Note: This tensioner is a three-bolt mount version, not a two-bolt mount version, please lift your hood and do a visual check before ordering to confirm that this is the correct part you need