Does Not Include Bolts 
This replacement part only includes 2 pieces of flat idler pulleys. You can reuse the existing bolts, nuts, and washers or purchase them separately.
Replaces Part Numbers:
Ariens
280-6630
Craftsman Husqvarna AYP
194327, 532194327
Also compatible with Poulan lawn tractor models, including Poulan C20H42YT, Poulan PB19H42LT, and Poulan PB19H42YT.
3 1/2” Flat Idler Pulleys
The flat idler pulleys have an overall outer diameter of 3 1/2 inches, a flat diameter of 3 inches (from where the belt rides), an inner diameter of 3/8 inch (bore adapter can bush down from 0.669 inch to 3/8 inch), a flat width of 3/4 inches, and a height of 1 1/2 inches. There are 2 flanges set at a 0° angle.
Value Pack Flat Idler Pulleys
Don't wait for your broken or seized idler pulleys to cause more problems. Each pack contains 2 pieces of black plastic flat idler pulleys, the perfect replacement when both idler pulleys on the deck fail. For a fraction of the cost of individual flat idler pulleys, you'll get high-quality and durable exact replacements.