1713609SM Shaft Arbor 1.63 x 1.63 x 6.50 inches for Briggs & Stratton Seamless Repairs, Peak Performance - Choose Our Parts Today Upgrade Your Outdoor Tools with Our Replacement Parts Effortless Repairs, Superior Performance - Trust Our Replacement Parts for Lawnmowers, Brushcutters, and Chainsaws We kindly ask you to double-check the part's appearance in the photo and cross-reference it with the provided dimensions to ensure a perfect fit