{"product_id":"john-deere-engine-exhaust-manifold-gasket-r521439","title":"John Deere Engine Exhaust Manifold Gasket - R521439","description":"\u003cdiv\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eGenuine OEM Seal\u003c\/strong\u003e — designed and tested to meet John Deere original equipment standards for fit, performance, and durability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-Temperature Resistance\u003c\/strong\u003e — withstands the extreme heat and pressure generated by exhaust gases in diesel engines.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrevents Exhaust Leaks\u003c\/strong\u003e — helps maintain proper exhaust routing and engine efficiency while reducing noise.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable Construction\u003c\/strong\u003e — resists thermal cycling and deformation under heavy engine load.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecision Fit\u003c\/strong\u003e — accurate dimensions and hole spacing ensure correct sealing between cylinder head and exhaust manifold.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRecommended Replacement\u003c\/strong\u003e — ideal during exhaust manifold servicing or engine overhaul to ensure a proper sealing surface and long-lasting performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Exhaust manifold gasket\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: John Deere\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: R521439\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High-temperature gasket material\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Seals the connection between the engine cylinder head and exhaust manifold\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFunction\u003c\/strong\u003e: Helps prevent exhaust leaks, enhances exhaust flow efficiency, and protects engine components from heat exposure\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThe John Deere R521439 Engine Exhaust Manifold Gasket fits a range of diesel engines used across tractors, loaders, industrial machines, and other equipment where this specific gasket is specified.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTypical compatible machines\u003c\/strong\u003e: \u003cul\u003e \u003cli\u003eCompact \u0026amp; Utility Tractors: 4M \/ 5M Series (e.g., 4066R, 4067R, 4066M, 4067M)\u003c\/li\u003e \u003cli\u003eUtility \u0026amp; Row-Crop Tractors: 6M Series (6M-95 through 6M-250); 6R Series (6R-110 through 6R-250); 7R \/ 8R Series\u003c\/li\u003e \u003cli\u003eConstruction \u0026amp; Industrial Equipment: Backhoe loaders (e.g., 310L, 310SL); Wheel loaders (e.g., 444K, 524K); Excavators (e.g., E210, E240)\u003c\/li\u003e \u003cli\u003eHarvesters \u0026amp; Combine Equipment: S-Series combines; Forage harvesters\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eCompatibility may vary depending on engine type, machine configuration and production year — always confirm with your equipment’s parts catalogue or official dealer lookup before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"John Deere","offers":[{"title":"Default Title","offer_id":45455524430016,"sku":"JD-R521439","price":2.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0565\/9190\/9056\/files\/R521439_iso1.jpg?v=1723076616","url":"https:\/\/ripongroundcare.com\/products\/john-deere-engine-exhaust-manifold-gasket-r521439","provider":"Ripon Ground Care","version":"1.0","type":"link"}