{"product_id":"1979374-crown-as-piston-fits-caterpillar-models","title":"1979374 Crown As-Piston Fits Caterpillar Models","description":"\u003ch3\u003eOne New Aftermarket Replacement Piston Crown for Caterpillar (Cat) C12 Diesel Engine\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement piston crown fits Caterpillar C12 diesel engines with engine serial number prefix MBL (MBL1-up). The piston crown is the upper portion of a two-piece articulated piston assembly, forming the combustion chamber roof in the cylinder bore. It is a critical component for engine rebuild and overhaul work on the Cat C12 inline six-cylinder diesel engine.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngine: Caterpillar (Cat) C12 Diesel, 12L Inline 6-Cylinder\u003c\/li\u003e\n\u003cli\u003eEngine Serial Prefix: MBL1-up\u003c\/li\u003e\n\u003cli\u003eWeight: 5.33 lbs.\u003c\/li\u003e\n\u003cli\u003eBore: 5.1181 - 5.1211 in. (130.000 - 130.075 mm)\u003c\/li\u003e\n\u003cli\u003eStroke: 5.9055 in. (150.00 mm)\u003c\/li\u003e\n\u003cli\u003eQuantity: One (1) piston crown\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar (Cat) C12 Engine Applications:\u003c\/strong\u003e C12 engines with serial prefix MBL1-up. The Cat C12 engine family was used in on-highway trucks, construction equipment, and marine vessels from approximately 1996 to 2003. Verify engine serial number prefix before ordering.\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e1979374, 197-9374\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":42452588134483,"sku":"1979374","price":179.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/1979374_01.jpg?v=1757729903","url":"https:\/\/www.reliableaftermarketparts.com\/products\/1979374-crown-as-piston-fits-caterpillar-models","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}