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!
Please contact with any questions you have, or any other parts you may need!
Partial List of model numbers that use this part.