{"product_id":"1684540-crown-as-piston-fits-caterpillar-models","title":"1684540 Crown As-Piston Fits Caterpillar Models","description":"\u003ch3\u003eOne New Aftermarket Replacement Crown As-Piston for Caterpillar (Cat) 3406 Series Engines\u003c\/h3\u003e\u003cp\u003eThis aftermarket piston crown (Crown As-Piston) is a direct replacement for Caterpillar OEM part number 1684540. The piston crown forms the top of the two-piece articulated piston assembly used in Caterpillar 3406-series diesel engines, sealing the combustion chamber and withstanding the high thermal and pressure loads of heavy-duty diesel operation. This part is used across a wide range of Caterpillar equipment powered by the 3406 and related engine families, including wheel loaders, track-type tractors, wheel dozers, soil compactors, landfill compactors, and pipelayers.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eWeight: approximately 6.4 lbs (2.88 kg)\u003c\/li\u003e\n\u003cli\u003eDimensions: approximately 7.55 x 7.55 x 6.85 in (191.77 x 191.77 x 173.99 mm)\u003c\/li\u003e\n\u003cli\u003ePart Type: Piston Crown (two-piece articulated piston assembly)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Wheel Loaders:\u003c\/strong\u003e 980C, 980G\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Wheel Dozers:\u003c\/strong\u003e 824C, 824G\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Track-Type Tractors:\u003c\/strong\u003e D8N, D8R, D8R II\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Soil Compactors:\u003c\/strong\u003e 825G\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Landfill Compactors:\u003c\/strong\u003e 826C, 826G\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Pipelayers:\u003c\/strong\u003e 578, 583R\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Engines (all equipment powered by):\u003c\/strong\u003e 3406, 3406C\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e1684540, 168-4540\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003e0R3757, 0R9847, PLG1684540, M-1684540, KM4540\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":42451906265171,"sku":"1684540","price":301.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/1684540_01.jpg?v=1757719047","url":"https:\/\/www.reliableaftermarketparts.ca\/products\/1684540-crown-as-piston-fits-caterpillar-models","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}