{"product_id":"a-rk159-ai-piston-with-rings-std","title":"A-RK159-AI Piston with Rings (Std)","description":"\u003ch3\u003eOne New Aftermarket Replacement Piston with Rings (Standard Bore) Fits New Holland 256 CID Turbo Diesel Engines\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement piston with rings is a standard bore (Std) engine component designed for use in Fits New Holland 256 CID turbocharged diesel engines. The piston and ring assembly restores proper compression, reduces blow-by, and returns engine performance to like-new specification. This part is sourced from A\u0026amp;I Products and replaces OEM part number RK159.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngine: 256 CID Turbo Diesel\u003c\/li\u003e\n\u003cli\u003eBore Size: Standard (Std)\u003c\/li\u003e\n\u003cli\u003eQuantity: One (1) piston with rings\u003c\/li\u003e\n\u003cli\u003eOversize variants available separately (e.g., RK159-20 for .020\" oversize)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eFits New Holland:\u003c\/strong\u003e Compatible with equipment using the 256 CID turbocharged diesel engine, including tractors, combines, harvesters, loaders, skidders, and implements. Verify model and engine serial number before ordering to confirm standard bore fitment.\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003eRK159, A-RK159, A-RK159-AI\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":40023296606291,"sku":"A-RK159-AI","price":155.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/A-RK159-AI_01.jpg?v=1757654737","url":"https:\/\/www.reliableaftermarketparts.com\/products\/a-rk159-ai-piston-with-rings-std","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}