I PURCHASED THIS PART TO REPAIR A CUSTOMERS MOTOR THEN HE DECIDED TO PURCHASE A NEW IMPORT MOTOR MFG WITH CHOP STICKS. I PAID BIG BUCKS 226.00 MINUS THE SHIPPING COST FOR THIS OBSOLET PART. MY LOSS YOUR GAIN. THIS IS A BRAND NEW PART WHICH HAS BEEN OBSOLETE FROM THE MFG FOR MANY YEARS YOU NEED TO DO IS INSTALL THE NEW O-RING ON THE HOUSING. THIS REAR PROPSHAFT BEARING IS USED ON OLDER 18 - 20 - 25 HP MOTORS FROM 1969 THRU 1976 ERA ACCORDING TO THE PARTS BOOKS. SO PLEASE MAKE SURE THIS IS THE CORRECT PART. I WILL SHIP USPS  MAIL.