{"product_id":"a-re23172-ai-piston","title":"A-RE23172-AI Piston","description":"\u003ch3\u003eOne New Aftermarket Replacement Piston Fits John Deere 4.270 \/ 6.404D Diesel Engines\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement piston is designed Fits John Deere 4.270 and 6.404D diesel engines used in early-production tractors, backhoes, combines, and industrial equipment. The piston includes a wrist pin and retaining clips and is engineered to restore proper compression and engine performance. Note: This part applies to early-production engine blocks. Verify your engine serial number and block casting number before ordering to confirm fitment, as later-production engines with the same displacement require different piston part numbers.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBore: 4.250 in (107.95 mm \/ 108 mm)\u003c\/li\u003e\n\u003cli\u003eIncludes wrist pin and retaining clips\u003c\/li\u003e\n\u003cli\u003eFor use in Fits John Deere 4.270 and 6.404D diesel engines (early \/ replacement block)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eFits John Deere Tractors:\u003c\/strong\u003e 3020 (S\/N up to 280000), 4020 (S\/N up to 280000), 3010, 4000, 4010\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits John Deere Backhoes \/ Construction \u0026amp; Industrial:\u003c\/strong\u003e JD500 (S\/N up to 280000), JD500A (S\/N up to 123113), JD500B (S\/N up to 280000)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits John Deere Combines:\u003c\/strong\u003e 105 (6.404D, S\/N 3001-19000)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits John Deere Industrial \/ Carrier:\u003c\/strong\u003e JD600\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003eRE23172, A-RE23172-AI\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003eAR40254, AR40265, AR46264, AR46265, HRE-40566, MFX172, NRE40566K, RE40566, R26091, R32073, R39927, 1703P, PA420\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -OD","offers":[{"title":"Default Title","offer_id":40023297294419,"sku":"A-RE23172-AI","price":296.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/A-RE23172-AI_01.jpg?v=1757937782","url":"https:\/\/www.reliableaftermarketparts.ca\/products\/a-re23172-ai-piston","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}