{"product_id":"head-gasket-fits-john-deere-600-4010-4020-600-6404d-r45615-r34311-r40974","title":"Head Gasket Fits John Deere 600 4010 4020 600 6404D R45615 R34311 R40974","description":"\u003ch3\u003eOne New Aftermarket Replacement Head Gasket Fits John Deere Tractors and Industrial\/Construction Equipment\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement cylinder head gasket is Fits John Deere 6.404D 6-cylinder diesel engine used across the 4000-series tractors and the 600 Industrial\/Construction model. It seals the cylinder head to the engine block, maintaining compression and preventing coolant or oil leaks into the combustion chamber. \u003cstrong\u003eImportant: This gasket fits early-production machines only -- serial number 214,999 and earlier for the 4020 and 6404D engine, and serial number 200,999 and earlier for the 4010 and 4000.\u003c\/strong\u003e Verify your serial number before ordering.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e  \u003cli\u003eEngine: Fits John Deere 6.404D, 6-Cylinder Diesel\u003c\/li\u003e  \u003cli\u003eEngine Bore: 4.25 in (108 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eFits John Deere Tractors:\u003c\/strong\u003e 4000 (SN 214999 and earlier), 4010 (SN 214999 and earlier, 6.404D 6-cyl engine), 4020 (SN 200999 and earlier, 6.404D 6-cyl engine)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits John Deere Industrial\/Construction:\u003c\/strong\u003e 600 (SN 214999 and earlier, w\/ 6.404D 6-cyl engine)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits John Deere Engine:\u003c\/strong\u003e 6404D (SN 214999 and earlier, early Power Booster engine)\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003eR45615, R34311, R40974, R26208\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"AIC Replacement Parts","offers":[{"title":"Default Title","offer_id":44081140203700,"sku":"AGER1250335","price":21.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0249\/8782\/8310\/files\/R45615_01_96dd07a4-279f-4e56-9047-f9de3f033765.jpg?v=1762479734","url":"https:\/\/www.aicreplacementparts.com\/products\/head-gasket-fits-john-deere-600-4010-4020-600-6404d-r45615-r34311-r40974","provider":"AIC Replacement Parts","version":"1.0","type":"link"}