{"product_id":"a-at21780-ai-seal-oil","title":"A-AT21780-AI Seal, Oil","description":"\u003ch3\u003eOne New Aftermarket Replacement Oil Seal for John Deere (JD) Headers, Mower Conditioners, and Tractors\u003c\/h3\u003e\u003cp\u003eThis dual-lip oil seal is a direct aftermarket replacement for John Deere OEM part number AT21780. It is commonly used in grain head wobble boxes, auger headers, draper headers, and mower conditioner assemblies, as well as tractor input shaft applications on John Deere 20, 30, 40, and 50 series equipment. The dual-lip design provides reliable shaft sealing against oil leakage and contamination ingress.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOutside Diameter: 1.628\"\u003c\/li\u003e\n\u003cli\u003eShaft Diameter: 1.125\"\u003c\/li\u003e\n\u003cli\u003eWidth: 0.256\"\u003c\/li\u003e\n\u003cli\u003eType: Dual Lip\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eJohn Deere (JD) Headers and Mower Conditioners:\u003c\/strong\u003e 120, 230, 240, 300 Series, 710, 720, 820, 900 Series, 1207, 1209, 1214, 1217, 1219, 1380, 1424, 1600, 1600A\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eJohn Deere Tractors:\u003c\/strong\u003e 20 Series, 30 Series, 40 Series, 50 Series\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003eAT21780, A-AT21780-AI, AE53176\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003eSKF CR 11124; Corteco equivalent available\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc®","offers":[{"title":"Default Title","offer_id":39999707545683,"sku":"A-AT21780-AI","price":16.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/A-AT21780-AI_01.jpg?v=1698251942","url":"https:\/\/www.reliableaftermarketparts.co.uk\/products\/a-at21780-ai-seal-oil","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}