Before looking up parts, find the Product Identification Number (PIN) plate. On tractors, this is typically located on the right side of the frame above the front axle, or on the rear housing near the PTO. Step 2: Use the John Deere Parts Catalog Go to the official website.
Some diagrams show a "restrictor fitting" (a small orifice) inside a hose end. If you replace that hose with a standard open hose, the loader bucket will drop violently. The diagram will note this with a symbol (usually a circle with a dot). John Deere Hydraulic Hose Diagram