This is a complete gasket set for the John Deere B from serial number 201000 and up. It is equivalent to John Deere’s valve, ring, and cylinder replacement set (AB3877R) plus crankshaft/bearing replacement set (AB3881R).
John Deere B Valve, Ring, Cylinder, Crankshaft, and Bearing gasket set from serial number 201000 and up
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