{"product_id":"caterpillar-4s-7756-hydraulic-piston-rod-seal","title":"Caterpillar 4S-7756 Hydraulic Piston Rod Seal","description":"\u003cdiv\u003e\u003cp\u003eCaterpillar 4S-7756 Rubber Seal is a lip-type hydraulic piston rod seal designed for CAT cylinders with a 25 mm bore and a 13 mm rod. The rubber seal features an outer diameter of 25.48 mm, a precise fit for standard rod glands, and seals along the piston rod to prevent hydraulic fluid leaks and maintain pressure in the cylinder. Identified by part numbers 4S-7756 (also sold as 4S7756), this CAT OEM replacement is used in small-bore cylinders across Caterpillar equipment. Typical applications include hydraulic cylinders in construction and industrial machinery where a 25 mm bore and 13 mm rod are specified, ensuring compatible fitment and reliable sealing performance.\u003c\/p\u003e\u003c\/div\u003e","brand":"Caterpillar","offers":[{"title":"New","offer_id":51677848568110,"sku":null,"price":290.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_59ea9987-2fac-4d51-ab7c-581a51b5c13a.jpg?v=1769568367","url":"https:\/\/plgautomation.com\/products\/caterpillar-4s-7756-hydraulic-piston-rod-seal","provider":"PLG Automation ","version":"1.0","type":"link"}