A-R502511-AI Bolt, Head model-138-638 960 (1953 - 1956) ]

960 (1953 - 1956) ]

Serviceable for 6060

Outside Diameter (OD): 4-3/8 in

The roll features tapered flutes and a hardsurfaced cast construction for extended wear life under heavy field conditions

leak-resistant seal by thread deformation

A-R502511-AI Bolt, Head model-138-638 960 (1953 - 1956) ]One New Aftermarket Replacement Cylinder Head Bolt for John Deere PowerTech Engines This flanged cylinder head bolt is a critical engine fastener used in John Deere 300 Series PowerTech diesel engines. It secures the cylinder head to the engine block and must be torqued to specification during engine assembly or rebuild. Grade 8 strength and flanged head design match original equipment requirements for the 3029, 4039, 4045, 6059, and 6068 engine