New Old Stock (NOS) remanufactured Detroit Diesel connecting rod, part # R23526078, for Series 60 engines (11.1L, 12.7L, 14L models, pre-1998 DDEC IV) in buses, trucks, and heavy-duty applications. Made OEM part is unused, in original sealed plastic packaging with minor box wear. Metal parts like gears have grease on them, this is not rust as some pictures my seem to show. HIGH-VALUE / SERIALIZED DIESEL PART? Clear evidence of part swapping or fraud? Honest mistakes or fitment questions? Happy to work it out!