One smooth belt idler pulley for select Chevrolet, GMC, Cadillac, Buick, Hummer, Isuzu, Saab and Workhorse vehicles. The linked fitment includes Silverado, Sierra, Suburban, Tahoe, Yukon, Escalade and Express models; fitment depends on year and engine.
Outside diameter: 90 mm. Bearing bore: 17 mm. Width: 31 mm. Reference numbers: 12555609, 12580771, 12669569 and 36299. Match the original pulley profile, dimensions and part number before ordering.