For D Serial Number 95900-109943
There Are No Rings Or Piston Pin
I Can't See Any Holes In It But It Does Slowly Seep Threw
It Is Part Number AA3717R
For 620 Serial Number 6210214 Up To The End
B2129R John Deere Fan Bearing Spacer For A, AR, AO, B, BR, BO, G, H 755 For D Serial Number 95900-109943John Deere Fan Bearing Spacer. It Is Needed If Converting From A Rubber Mount Fan To Friction Drive Fan. It Is Not Cracked, Bent Or Broken. It Does Show A Little Bit Of Wear Where The Cork Seal Rides. It Is Part Number B2129R. For A Serial Number 414809 547260, AR Up To Serial Number 264643, AO Up To Serial Number 264643, B Up To Serial Number 200999, BR Up To Serial Number 334149, BO Up To Serial Number 334149, G, H Up To Serial Number 50499