Automatic Belt Tensioner Main Drive
fits for:
Chevrolet Express 1500 5.3L 2003-2008
Chevrolet Express 2500 4.8L 2003-2008
Chevrolet Express 2500 6.0L 2003-2008
Chevrolet Express 3500 4.8L 2003-2008
Chevrolet Express 3500 5.3L 2003-2008
Chevrolet Express 3500 6.0L 2003-2008
OEM: 12554027, 12580162 (GM)