A&I PRODUCTS Outlet, Socket. A-RE48525.

8.25" from back of plug to end of wires.

Models: 
John Deere TRACTOR: 4055
John Deere TRACTOR: 4255
John Deere TRACTOR: 4455
John Deere TRACTOR: 4560
John Deere TRACTOR: 4755
John Deere TRACTOR: 4760
John Deere TRACTOR: 4955
John Deere TRACTOR: 4960
John Deere TRACTOR: 8560
John Deere TRACTOR: 8570
John Deere TRACTOR: 8760
John Deere TRACTOR: 8770
John Deere TRACTOR: 8870
John Deere TRACTOR: 8960
John Deere TRACTOR: 8970

This is an aftermarket product, not an OEM.
Thanks for looking!