#C131-4X2: Throttle Shaft Seal Retainer Cup -
Has Hole.
Rubber Seal, #T48-9, goes inside.
NOT included in #K2112 Rebuild Kit - we STRONGLY recommend that you order one each for the throttle and choke shafts, rather than use the warped washers supplied with the #K2112 Kit!
Oil seal lightly after installation.