{"product_id":"caterpillar-5j-4689-hydraulic-spool-valve-assembly","title":"Caterpillar 5J-4689 Hydraulic Spool Valve Assembly","description":"\u003cdiv\u003e\u003cp\u003eCaterpillar 5J-4689 Hydraulic Spool Valve Assembly is an original Caterpillar replacement component designed for Cat hydraulic systems that use spool‑type directional control valves. As an OEM spool valve assembly, it manages the routing of hydraulic fluid between ports when the internal spool shifts in response to operator input or control signals, enabling precise actuation of cylinders and other hydraulic actuators on Cat equipment. Identified by part number 5J-4689, this assembly preserves the integrity of Cat's hydraulic circuit design and is intended for use in machines that rely on a matched spool‑and‑body configuration for reliable sealing, flow control, and predictable response. The exact port arrangement, bore size, mounting pattern, and electrical or pilot connections vary by model, so compatibility should be confirmed in the Caterpillar Parts catalog or with an authorized Cat parts dealer before ordering. Typical applications include directional control in hydraulic valve banks that govern lift, tilt, swing, or other actuator functions on Cat machines; however, the product description here references the specific OEM part number and does not imply compatibility with any non‑Cat systems. When installed correctly, OEM spools help maintain system pressure, minimize leakage, and preserve valve life by ensuring correct alignment with the cylinder and pump in Caterpillar hydraulic circuits.\u003c\/p\u003e\u003c\/div\u003e","brand":"CAT","offers":[{"title":"New","offer_id":51677773332782,"sku":null,"price":616.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_4f3183e1-47e8-437c-a810-7d6f6fabbdc1.jpg?v=1769567643","url":"https:\/\/plgautomation.com\/products\/caterpillar-5j-4689-hydraulic-spool-valve-assembly","provider":"PLG Automation ","version":"1.0","type":"link"}