Brand New Genuine GM part. Part number 84756939. This is the same part you would get at a dealership. That's where I got it. If you have questions about fitment contact me. I can make sure this is right for you. Box was only opened for pictures. This is a Genuine GM front differential pinion gear kit with a shaft pin with shims for Chevrolet and GMC trucks. It is designed to fit directly into your vehicle and is made with genuine OEM parts for optimal performance. The kit is for direct replacement in the following years: 2020, 2021, 2022, 2023, and 2024. The kit is manufactured by GM Genuine Parts. It is made with durable materials to ensure long-lasting use and is a perfect fit for your vehicle.