{"product_id":"a-r51112-ai-retainer-piston-pin","title":"A-R51112-AI Retainer, Piston Pin","description":"\u003ch3\u003eOne New Aftermarket Replacement Piston Pin Retainer (Snap Ring) Fits John Deere Engines\u003c\/h3\u003e\u003cp\u003eThis piston pin retainer is an internal snap ring that secures the piston pin (wrist pin) within the piston bore, preventing lateral movement during engine operation. It is used during engine rebuilds and overhaul service on Fits John Deere equipment. Replaces OEM part number R51112.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eType: Internal snap ring (piston pin retainer)\u003c\/li\u003e\n\u003cli\u003eFree Outer Diameter: 33.55 mm (1-5\/16 in)\u003c\/li\u003e\n\u003cli\u003eBore Diameter: 30.18 mm (1.19 in)\u003c\/li\u003e\n\u003cli\u003eWidth: 1.98 mm (0.08 in)\u003c\/li\u003e\n\u003cli\u003eGroove Diameter: 33.55 mm (1-5\/16 in)\u003c\/li\u003e\n\u003cli\u003eMaterial: General steel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003eR51112, A-R51112\u003c\/p\u003e\u003cp\u003eVerify fitment against your engine model and serial number before ordering. This snap ring is used across a range of Fits John Deere (Fits JD) engine applications - consult your engine parts manual or dealer to confirm compatibility with your specific machine.\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":42544229449811,"sku":"A-R51112-AI","price":9.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/RAP_ComingSoon_Tractor_b4d26e24-08f0-41dd-8f68-d7d61513db92.jpg?v=1757663340","url":"https:\/\/www.reliableaftermarketparts.co.uk\/products\/a-r51112-ai-retainer-piston-pin","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}