This is a BRAND NEW Industrial Grade V-Belt for HVAC, Lawn Mower, & Automotive (and other) purposes. The Belt is 1/2" x 40" long. Replaces Toro Roto-Hoe part #s 3-8166 36-9670 5-7180 16-9670 66 . Thanks for looking and good luck!
Belts run along pulleys and are designed to transfer energy from one component to another. In a lawn mower application, the drive belt transfers energy from the engine to the drive wheels and mowing blades.
3-8166 36-9670 5-7180 16-9670