The Briggs & Stratton 84001674 Belt helps transfer power between rotating components on compatible outdoor power equipment, supporting proper operation of the connected drive system. This belt runs around the designated pulleys to transmit mechanical power during equipment operation. It is a practical replacement for a stretched, cracked, worn, or damaged belt that may cause slipping, reduced performance, or inconsistent component movement. Replacing the belt can help restore proper power transfer and maintain reliable equipment operation during routine maintenance and repair. It provides a suitable replacement when the original belt has reached the end of its service longevity or is no longer functioning properly.