One New Aftermarket Replacement #CA550H Roller Chain Offset Link for Agricultural EquipmentThis aftermarket replacement CA550H roller chain offset link (also called a half link) is used to adjust the length of CA550H heavy-duty agricultural roller chain by an odd number of pitches. It is a standard component in conveyor, elevator, and drive chain systems found on a wide range of farm machinery including combine harvesters, balers, forage harvesters, manure spreaders, planters, seeders, and grain handling equipment.Specifications Chain Series: CA550H Heavy-Duty Agricultural Roller Chain Chain Pitch: 1-5/8 inch Link Type: Offset Link (Half Link) Strands: Single Compatible ApplicationsUniversal Agricultural Fit: Compatible with any equipment using #CA550H heavy-duty agricultural roller chain, including combine harvesters, balers, forage harvesters, manure spreaders, planters, seeders, crop processing equipment, and conveyor and elevator systems. Fits John Deere OEM part number AH166636.Replaces Part Number(s):RCC50-0004, OL550HIMP, AH166636New aftermarket replacement part - not remanufactured, not used.