On Wednesday, November 11, 2020 at 5:17:36 PM UTC-8, Larry Ruggiero wrote:
Anyone have a source for the squarish plastic reservoir? One of our club’s members has one that developed a crack and leaks. It looks to be about 3-4oz capacity. Might otherwise have to adapt something non-standard if it’s not directly replaceable. Thanks...

Larry Ruggiero, Carolina Soaring Assoc

Aircraft Spruce & Specialty has several listed.........search hydraulic reservoir.
JJ