This pinion gear is a genuine OEM part from Briggs & Stratton, compatible with their lawn mowers. It is made of durable plastic and comes in a pack of 5. The GTIN is 024847330915 and it is designed to fit the Briggs & Stratton 4194 5 lawn mower. This pinion gear is perfect for those who need to replace their lawn mower parts and want to ensure that they are getting a high-quality product.