Realistic Product Swap Photoshop

I have a strong AI-generated hero shot whose background, lighting, and mood I want to preserve, but the featured item is wrong. The incorrect object is a 3D enclosure, and I need it replaced with my own 3D enclosure while keeping every other element exactly as it is... (Budget: $14 - $30 NZD, Jobs: 3D Graphic Design, 3D Modelling, 3D Rendering, Adobe Photoshop, AI Image Editing, Color Grading, Illustrator, Photoshop)