Hard to find new and very expensive. Used are out there
For example
Strouds Marine
marineparts.plus
It's a crap shoot though. You don't know exactly what you are buying
If your is just leaking, there is a company that will rebuild it, assuming it is rebuildable
We Rebuild Trim & Tilt Units For All Makes and Models, Full 2 Year Warranty. Professional Service. Save Time & Money. High Quality Parts. Knowledgeable Staff. Quality Parts. Professional Services. Highlights: Saving Time & Money, Professional Services, Providing Quality Customer Service.
five-star-marine.myshopify.com